Due to increase in construction activities there is increase in demand for concrete, which leads to over use of natural resource. Hints, conservation of natural resource is necessary thing. Among the waste generated it is presumed that 10% to 15% of waste hazardous and increasing at the rate of 2% to5% per year resulting in environmental pollution and effect to living beings. These wastes can be utilized as alternative construction material, so that would be one of the consistent ways of disposal. This paper attempts to study the strength parameters such as compressive and tensile strength of paper sludge ash (15% and 20%) as partial replacement of cement, M-sand (50% and 60%) of partial replacement of fine aggregate for a design mix of M25.
Use of Over-Burnt Bricks as Coarse aggregate in ConcreteEditorIJAERD
In modern construction industry number of materials are used and one of the materials is Brick. Regular
bricks are generally used in buildings or in some other engineering applications. In manufacturing of these bricks, a lot
of waste is produced in the form of over- burnt-bricks. The bricks being near to the fire in the furnace receives a
temperature more heat and eventually shrink and loose its shape, its color becomes reddish. These bricks can’t be used
in construction, directly because of their distorted shape dark color. hose over-burnt brick could be a source of recycled
coarse aggregate. The primary goal of this paper is to assess the suitability of incorporating over-burnt bricks in
concrete, by the partial replacement of natural coarse aggregate (NCA) with overburnt brick aggregate (OBBA) in a
ratio of 20%, 50%, and 100%. Initially, mix proportion of 1:2:4 and w/c of 0.57 was selected. By replacing NCA with
OBBA while using mix proportion of 1:2:4 and w/c of 0.57, the resulting concrete was found non-mixable and nonworkable. Thus, mix was designed (for targeted strength of 4ksi) for all replacement percentages. Slump test was
conducted for each replacement and the results show that by increasing replacement percentage the workability of
concrete decreases. the slump values are in between the range of 3–1.5 inches. For compressive strength the cylindrical
specimens of 6" x 12" were tested at 3, 7, and 28 days. For 20% replacement, the loss in compressive strength is 42.16%
for 3 days and for 7 and 28 days the loss is 46.96% and 61.37% respectively. For 50 % replacement, the loss in strength
for 3, 7 and 28 days is 29.73%, 30.87% and 58.29% respectively. For 100% replacement, the loss in strength for 3, 7 and
28 days is 48.65%, 55.65% and 69.19%.
The peer-reviewed International Journal of Engineering Inventions (IJEI) is started with a mission to encourage contribution to research in Science and Technology. Encourage and motivate researchers in challenging areas of Sciences and Technology.
Due to increase in construction activities there is increase in demand for concrete, which leads to over use of natural resource. Hints, conservation of natural resource is necessary thing. Among the waste generated it is presumed that 10% to 15% of waste hazardous and increasing at the rate of 2% to5% per year resulting in environmental pollution and effect to living beings. These wastes can be utilized as alternative construction material, so that would be one of the consistent ways of disposal. This paper attempts to study the strength parameters such as compressive and tensile strength of paper sludge ash (15% and 20%) as partial replacement of cement, M-sand (50% and 60%) of partial replacement of fine aggregate for a design mix of M25.
Use of Over-Burnt Bricks as Coarse aggregate in ConcreteEditorIJAERD
In modern construction industry number of materials are used and one of the materials is Brick. Regular
bricks are generally used in buildings or in some other engineering applications. In manufacturing of these bricks, a lot
of waste is produced in the form of over- burnt-bricks. The bricks being near to the fire in the furnace receives a
temperature more heat and eventually shrink and loose its shape, its color becomes reddish. These bricks can’t be used
in construction, directly because of their distorted shape dark color. hose over-burnt brick could be a source of recycled
coarse aggregate. The primary goal of this paper is to assess the suitability of incorporating over-burnt bricks in
concrete, by the partial replacement of natural coarse aggregate (NCA) with overburnt brick aggregate (OBBA) in a
ratio of 20%, 50%, and 100%. Initially, mix proportion of 1:2:4 and w/c of 0.57 was selected. By replacing NCA with
OBBA while using mix proportion of 1:2:4 and w/c of 0.57, the resulting concrete was found non-mixable and nonworkable. Thus, mix was designed (for targeted strength of 4ksi) for all replacement percentages. Slump test was
conducted for each replacement and the results show that by increasing replacement percentage the workability of
concrete decreases. the slump values are in between the range of 3–1.5 inches. For compressive strength the cylindrical
specimens of 6" x 12" were tested at 3, 7, and 28 days. For 20% replacement, the loss in compressive strength is 42.16%
for 3 days and for 7 and 28 days the loss is 46.96% and 61.37% respectively. For 50 % replacement, the loss in strength
for 3, 7 and 28 days is 29.73%, 30.87% and 58.29% respectively. For 100% replacement, the loss in strength for 3, 7 and
28 days is 48.65%, 55.65% and 69.19%.
The peer-reviewed International Journal of Engineering Inventions (IJEI) is started with a mission to encourage contribution to research in Science and Technology. Encourage and motivate researchers in challenging areas of Sciences and Technology.
Design of High Compressive Strength Concrete Mix without AdditivesIJERA Editor
In this paper, the crashed Basalt and uncrushed granite is used in concrete mixes as coarse aggregate. The selected materials, with high specification using special production techniques, the properties ,the mix design procedure and mix proportion of the high strength concrete (HSC) were discussed. Different proportions of Ordinary Portland cement (410,430 and 450) kg/m3 with different crashed Basalt and uncrushed Granite coarse aggregate amount (1120 and 1050) kg/m3 and fine aggregate with fine modulus of 3.65 were used. Eight concrete mixes were prepared: two as control mix for crashed Basalt and uncrushed Granite, three with crashed Basalt and three with uncrushed Granite coarse aggregate with mix amount(410:680:1120,430:610:1050 and 450:550:1050) kg/m3,(cement: fine aggregate: coarse aggregate)respectively. The study showed that the use of granite coarse aggregate in concrete mixes has a clear effect in mix proportion. The compressive strength of concrete was measured at ages of 7, 28 and 56 days and it was found that the granite (Mix3) of (450:550:1050) kg/m3 with w/c of 0.46 give the highest of strength in 28 and 56 days among the abovementioned mixes its 56 and 64 N/mm2 respectively. The paper shows that good results of compressive strength and workability of concrete were obtained when using granite coarse aggregate.
over view of coconut shell as coarse aggreagateMUKUNDA BUSI
just give a over view of coconut shell as a coarse aggregate in the concrete
and importance of the use of these seemingly products into a concrete and reduce the waste and protect enviornment
APPRAISAL ON THE STRENGTH OF CONCRETE PRODUCED WITH VARYING AGGREGATE SIZEIAEME Publication
Compressive strength is one of the important properties of concrete as it influences the durability requirements of concrete. This work presents the effects of varying size of aggregate on the strength of concrete. The coarse aggregates used for this study were 10mm, 12.5mm and 19mm uncrushed gravel with river sand as fine aggregate. Sieve analysis was carried out on the aggregates. A nominal mix of 1:2:4 was adopted for the mix and the mix proportions were calculated by weight. The concrete test cubes used were made in batches with each batch containing just one coarse aggregate size. Two test cubes each were made respectively for each batch making a total of 18 cubes and cur ed for 7, 21, and 28 days respectively.
Coconut shell as coarse aggregate in the concreteAglaia Connect
Using same mix design, coconut shell concrete was prepared by replacement of conventional crushed coarse aggregate (CA) with waste coconut shell (CS). Coconut shell replaced conventional aggregate by 10%, 20%, 30% and 40% respectively (by volume) and the effect on compressive strength and density of concrete was observed.
interesting civil engineering topics
civil engineering topics for presentation
civil seminar topics ppt
civil engineering seminar topics 2018
best seminar topics for civil engineering
seminar topics pdf
seminar topics for mechanical engineers
seminar topic for civil engineering pdf
EXPERIMENTAL STUDY ON BEHAVIOR OF COIR FIBRE REINFORCED CONCRETEIAEME Publication
Conventional concrete is robust in compression and weak in tension in order to swamp the weakness natural fibre is being equipped. The adoption of inherent fibres as edifice constituents is boon to procure a livable production. The comprehensive mission of this exploration is to stake out the discernible inspection of natural fibre in concrete structure. The coir fibre freshly tempted an influence as a workable fibre composite material, due to certain precise mechanical property which can be compared to artificial fibre. The coir fibre is treated using natural fluid before using in concrete, so that it is not be affected by moisture content presented in concrete. In this tentative study coir fibre is extant consumed in concrete thereby, the mechanical properties such as compressive strength, split-tensile strength, and modulus of rupture of M30Grade concrete and by capricious the spoonful of fibre gratified from0%, 2% 4%,6% and 8%. Stimulation should be given for the appliance of natural fibres which are regionally procurable materials, in the domain of civil engineering.
Analysis on concrete made from over burned bricksIJARIIT
Concrete is a composite material used for the ground that all considerate designing structure is developed with concrete
in an efforts to find an alternative material in concrete much work has been focused to use brick aggregates in producing normal
strength or even higher strength by far the most common course aggregates used in concrete is obtained from natural rock, but
type of rock suitable for concrete making is not available locally and everywhere. However, there is hardly any literature
producing previous concrete using bricks chips as course aggregates. The research was conducted to study the suitability crushed
over burnt bricks as alternative course aggregates for concrete production. The concrete cube beams and cylinders of M-25, M-
30, and M-35 grade were thrown in this trail explore work and try to analyze different properties of concrete with crushed over
burnt bricks as an alternative material. The physical properties like compressive strength, tensile strength, flexural strength and
workability with alternative material was used with a dosage of 10%, 20% and 30% in concrete with the age of 7, 14, 28 and 50
days of curing. The general properties of fresh and hardened concrete were tried and the outcomes were dissected. Over Burnt
bricks were casted and tested for compressive strength, tensile strength, flexural strength, and workability. The result shows that
the aggregate that concrete derived from Over Burnt bricks aggregate attained lower strength than the regular concrete. More
detailed and elaborated work is recommended with different mix ratio and a different proportion of Over Burnt aggregates for
a better conclusion.
STUDY ON BEHAVIOUR OF COMPRESSION MEMBER WITH BAMBOO AS REINFORCEMENT AND COC...civej
Concrete is the most widely used construction material. Among all ingredients of concrete, aggregates form
the major portion; further there exists a challenge in attaining the structural light weight concrete utilizing
the waste. Among the natural waste coconut shells can suitably replace these natural aggregates. The
compression testing on cube and split tensile test on cylinder were performed to authenticate its feasibility.
Concrete is reinforced with steel bars to negate its weak tension carrying capacity. However, due to higher
cost and non-renewability of steel, nowadays attempts were made to provide a low-cost, sustainable
material. The feasibility for the usage of locally procured bamboo as reinforcement is tested to evaluate its
Elasticity and ultimate strength. The axial compression test on various columns were performed comparing
its axial deformation, Energy absorption capacity, ultimate load, displacement ductility and degradation in
stiffness.
An Experimental Study on Properties of Concrete using Waste Plastic Scrap Mat...ijtsrd
Investigations were done on M 30grade concrete by replacing coarse aggregate partially by plastic fiber to get maximum strength. This work presents the Strength and workability results of waste plastic fiber reinforced concrete WPFRC . The different percentages of waste plastic fiber reinforced concrete used in the experimentation are 0 , 0.5 , 1 , and 2 by partial replacement of coarse aggregate using plastic fiber This Study presents the satisfactory results on various strength tests of concrete containing plastic fiber as a partial replacement of coarse aggregate and would help to resolve solid waste disposal problem. However, further research work is still necessary in order to have a more in depth understanding. Mahendra Yadav | Pratiksha Malviya ""An Experimental Study on Properties of Concrete using Waste Plastic Scrap Materials as Partial Replacement of Coarse Aggregate"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019, URL: https://www.ijtsrd.com/papers/ijtsrd25195.pdf
Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/25195/an-experimental-study-on-properties-of-concrete-using-waste-plastic-scrap-materials-as-partial-replacement-of-coarse-aggregate/mahendra-yadav
Design of High Compressive Strength Concrete Mix without AdditivesIJERA Editor
In this paper, the crashed Basalt and uncrushed granite is used in concrete mixes as coarse aggregate. The selected materials, with high specification using special production techniques, the properties ,the mix design procedure and mix proportion of the high strength concrete (HSC) were discussed. Different proportions of Ordinary Portland cement (410,430 and 450) kg/m3 with different crashed Basalt and uncrushed Granite coarse aggregate amount (1120 and 1050) kg/m3 and fine aggregate with fine modulus of 3.65 were used. Eight concrete mixes were prepared: two as control mix for crashed Basalt and uncrushed Granite, three with crashed Basalt and three with uncrushed Granite coarse aggregate with mix amount(410:680:1120,430:610:1050 and 450:550:1050) kg/m3,(cement: fine aggregate: coarse aggregate)respectively. The study showed that the use of granite coarse aggregate in concrete mixes has a clear effect in mix proportion. The compressive strength of concrete was measured at ages of 7, 28 and 56 days and it was found that the granite (Mix3) of (450:550:1050) kg/m3 with w/c of 0.46 give the highest of strength in 28 and 56 days among the abovementioned mixes its 56 and 64 N/mm2 respectively. The paper shows that good results of compressive strength and workability of concrete were obtained when using granite coarse aggregate.
over view of coconut shell as coarse aggreagateMUKUNDA BUSI
just give a over view of coconut shell as a coarse aggregate in the concrete
and importance of the use of these seemingly products into a concrete and reduce the waste and protect enviornment
APPRAISAL ON THE STRENGTH OF CONCRETE PRODUCED WITH VARYING AGGREGATE SIZEIAEME Publication
Compressive strength is one of the important properties of concrete as it influences the durability requirements of concrete. This work presents the effects of varying size of aggregate on the strength of concrete. The coarse aggregates used for this study were 10mm, 12.5mm and 19mm uncrushed gravel with river sand as fine aggregate. Sieve analysis was carried out on the aggregates. A nominal mix of 1:2:4 was adopted for the mix and the mix proportions were calculated by weight. The concrete test cubes used were made in batches with each batch containing just one coarse aggregate size. Two test cubes each were made respectively for each batch making a total of 18 cubes and cur ed for 7, 21, and 28 days respectively.
Coconut shell as coarse aggregate in the concreteAglaia Connect
Using same mix design, coconut shell concrete was prepared by replacement of conventional crushed coarse aggregate (CA) with waste coconut shell (CS). Coconut shell replaced conventional aggregate by 10%, 20%, 30% and 40% respectively (by volume) and the effect on compressive strength and density of concrete was observed.
interesting civil engineering topics
civil engineering topics for presentation
civil seminar topics ppt
civil engineering seminar topics 2018
best seminar topics for civil engineering
seminar topics pdf
seminar topics for mechanical engineers
seminar topic for civil engineering pdf
EXPERIMENTAL STUDY ON BEHAVIOR OF COIR FIBRE REINFORCED CONCRETEIAEME Publication
Conventional concrete is robust in compression and weak in tension in order to swamp the weakness natural fibre is being equipped. The adoption of inherent fibres as edifice constituents is boon to procure a livable production. The comprehensive mission of this exploration is to stake out the discernible inspection of natural fibre in concrete structure. The coir fibre freshly tempted an influence as a workable fibre composite material, due to certain precise mechanical property which can be compared to artificial fibre. The coir fibre is treated using natural fluid before using in concrete, so that it is not be affected by moisture content presented in concrete. In this tentative study coir fibre is extant consumed in concrete thereby, the mechanical properties such as compressive strength, split-tensile strength, and modulus of rupture of M30Grade concrete and by capricious the spoonful of fibre gratified from0%, 2% 4%,6% and 8%. Stimulation should be given for the appliance of natural fibres which are regionally procurable materials, in the domain of civil engineering.
Analysis on concrete made from over burned bricksIJARIIT
Concrete is a composite material used for the ground that all considerate designing structure is developed with concrete
in an efforts to find an alternative material in concrete much work has been focused to use brick aggregates in producing normal
strength or even higher strength by far the most common course aggregates used in concrete is obtained from natural rock, but
type of rock suitable for concrete making is not available locally and everywhere. However, there is hardly any literature
producing previous concrete using bricks chips as course aggregates. The research was conducted to study the suitability crushed
over burnt bricks as alternative course aggregates for concrete production. The concrete cube beams and cylinders of M-25, M-
30, and M-35 grade were thrown in this trail explore work and try to analyze different properties of concrete with crushed over
burnt bricks as an alternative material. The physical properties like compressive strength, tensile strength, flexural strength and
workability with alternative material was used with a dosage of 10%, 20% and 30% in concrete with the age of 7, 14, 28 and 50
days of curing. The general properties of fresh and hardened concrete were tried and the outcomes were dissected. Over Burnt
bricks were casted and tested for compressive strength, tensile strength, flexural strength, and workability. The result shows that
the aggregate that concrete derived from Over Burnt bricks aggregate attained lower strength than the regular concrete. More
detailed and elaborated work is recommended with different mix ratio and a different proportion of Over Burnt aggregates for
a better conclusion.
STUDY ON BEHAVIOUR OF COMPRESSION MEMBER WITH BAMBOO AS REINFORCEMENT AND COC...civej
Concrete is the most widely used construction material. Among all ingredients of concrete, aggregates form
the major portion; further there exists a challenge in attaining the structural light weight concrete utilizing
the waste. Among the natural waste coconut shells can suitably replace these natural aggregates. The
compression testing on cube and split tensile test on cylinder were performed to authenticate its feasibility.
Concrete is reinforced with steel bars to negate its weak tension carrying capacity. However, due to higher
cost and non-renewability of steel, nowadays attempts were made to provide a low-cost, sustainable
material. The feasibility for the usage of locally procured bamboo as reinforcement is tested to evaluate its
Elasticity and ultimate strength. The axial compression test on various columns were performed comparing
its axial deformation, Energy absorption capacity, ultimate load, displacement ductility and degradation in
stiffness.
An Experimental Study on Properties of Concrete using Waste Plastic Scrap Mat...ijtsrd
Investigations were done on M 30grade concrete by replacing coarse aggregate partially by plastic fiber to get maximum strength. This work presents the Strength and workability results of waste plastic fiber reinforced concrete WPFRC . The different percentages of waste plastic fiber reinforced concrete used in the experimentation are 0 , 0.5 , 1 , and 2 by partial replacement of coarse aggregate using plastic fiber This Study presents the satisfactory results on various strength tests of concrete containing plastic fiber as a partial replacement of coarse aggregate and would help to resolve solid waste disposal problem. However, further research work is still necessary in order to have a more in depth understanding. Mahendra Yadav | Pratiksha Malviya ""An Experimental Study on Properties of Concrete using Waste Plastic Scrap Materials as Partial Replacement of Coarse Aggregate"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-4 , June 2019, URL: https://www.ijtsrd.com/papers/ijtsrd25195.pdf
Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/25195/an-experimental-study-on-properties-of-concrete-using-waste-plastic-scrap-materials-as-partial-replacement-of-coarse-aggregate/mahendra-yadav
This presentation contains IS Concrete mix design method and Basics of Design mix of concrete.It conveys; Objectives of Mix Design ;Grades of Concrete; Nominal Mix and Design Mix; Factors affecting Choice of Mix Design; Methods of Concrete Mix Design; IS Method Of Design.
A palm oil mill produces crude palm oil and kernels, as primary products and biomass as secondary product.
The capacity of mills varies between 60- 100 tons FFB/h.
Our project is the complete study about both Spot speed studies and Speed delay time survey. This topic is a part of Transportation Engineering. This report helps you to understand this topic in detail. This report will also help you to make project on associated topics in traffic engineering. In spot speed, We discussed regarding various methods available to perform the test, Our team practically performed test and established a speed limit zone near a school. Coming to speed delay time survey, we conducted a survey at a selected stretch and came out with solutions to the problems faced by the vehicle users using that stretch.
As replacement for fine aggregate in concrete, plastic and e-waste was suggested based on experiments conducted and theoretical data from publications.
Strength Improvement of Mud Houses Through Stabilization of the Lateritic Mat...theijes
This paper reports an experimental investigation of the compressive strength of laterite stabilized with cement (CSL), lime (LSL) and rice straw (RSL) respectively. The laterites were collected from borrow pit used by locals in Bauchi, Nigeria to build mud houses. Unfortunately the mud houses experienced massive failures by through wall collapses over the years during the flooding cycles of the rainy seasons. An attempt is made to stabilize the lateritic soil materials used for the mud house walls in order to strengthen them against rains and flood erosions. Briefly discussed are factors that affect performance and strength, this include mix proportions, compaction, characteristics of the lateritic soil, mix procedure and curing. The results showed that the lateritic soils in the investigated area were relatively high on sand and lower on clay thereby promoting cement as the best stabilizer for strength. It increased the compressive strength by 661% from 0.61 N/mm2 at zero stabilization (ZSL) to 4.64 N/mm2 at 8% cement content after 28 days of curing. LSL and RSL at the same contents had strengths of 1.21 N/mm2 (98.4% increase) and 0.71 N/mm2 (16.4% increase) respectively. At 6% contents strength values were 4.33 N/mm2 , 1.16 N/mm2 and 0.66 N/mm2 respectively. The values reduced at 4% contents reporting 3.14N/mm2 , 0.82N/mm2 and 0.44N/mm2 respectively. While CSL increased non-linearly in density with increase in cement content, LSL and RSL decreased with increase of the respective contents. The results show that with cement as the stabilizer, mud house walls constructed with CSL bricks will resist collapse failures due to the perennial flooding in the area. Moreover by their relatively high compressive strengths they can be used for load bearing walls as much as sandcrete blocks
Experimental Study on Performance of Concrete M30 with Partial Replacement of...IJERA Editor
In this research work experiments have been conducted with collection of materials required and the data required for mix design are obtained by sieve analysis and specific gravity test. Sieve analysis is carried out from various fine aggregates (FA) and coarse aggregates (CA) samples and the sample which suits the requirement is selected. Specific gravity tests are carried out for fine and coarse aggregate. The various materials used were tested as per Indian standard specifications. On the basis of the experimental studies carried out on M30 grade concrete as partial replacement of coarse aggregates with sea shells and coconut shells, the following conclusions are drawn from the above experiment we conclude that comparing to traditional concrete, compressive strength of 10% (5% + 5%) of coconut shells (5%) and sea shells (5%) increased. whereas the compressive strength of the concrete cubes has gradually decreased from addition of 10% (5% + 5%) of coconut shells and sea shells. Hence for economical view 10% is preferable and in the perspective of compressive strength 10% is suggested. Thus, 10% replacement coconut shells and sea shells are recommended for both heavy weight and light weight concrete production.
Potential use of iron ore tailings in sandcrete block makingeSAT Journals
Abstract Sand-Crete blocks are widely used in Nigerian construction industry. Its quality has been compromised by manufacturers mainly due to the quality and cost of materials used. Iron ore tailings (IOT) are waste material obtainable from the process of smelting of iron. The study tests suitability of IOT in replacing natural sand partially in the making of Sand-Crete Blocks (SCB). Iron ore tailing was added to the mix in the following percentage: 10%, 20%, 30% and 40% of sand. It was observed the compressive strength increases with increase in curing age and also increases in percentage of iron tailings. IOT has a great potential as a replacement of fine aggregate in sandcrete block production Keywords: iron ore tailings, sandcrete blocks, and compressive strength
International Journal of Engineering Research and Applications (IJERA) is an open access online peer reviewed international journal that publishes research and review articles in the fields of Computer Science, Neural Networks, Electrical Engineering, Software Engineering, Information Technology, Mechanical Engineering, Chemical Engineering, Plastic Engineering, Food Technology, Textile Engineering, Nano Technology & science, Power Electronics, Electronics & Communication Engineering, Computational mathematics, Image processing, Civil Engineering, Structural Engineering, Environmental Engineering, VLSI Testing & Low Power VLSI Design etc.
Studies on quarry dust as partial replacement of fine aggregates in concreteIJLT EMAS
Natural sand is most commonly used fine aggregates
in the production of concrete possess the problem of acute
shortage in many areas. Quarry dust can be used as an economic
alternative to the natural sand. In this investigation an attempt is
made to utilize quarry dust as a partial substitute for natural
sand in producing concrete. Natural sand is replaced by Quarry
dust at an interval of 5%, 10%, 15%, 20% and 25%. Mix
proportions for M20 concrete is prepared with reference to IS:
10262-2009 and IS: 456-2000 for the study of workability.
Compressive strength and Flexural strength test results are
compared with the conventional concrete. The strengths were
obtained at the ages of 3, 7 and 28 days. Compressive and
Flexural strength increased marginally from 5% to 15%
replacement. There is a slight decrease in the corresponding
compressive and flexural strength at 20% replacement. Good
correlation was observed between compressive strength and
flexural strength. It was observed that the addition of quarry
dust that would replace the fine material at particular
proportion has displayed an enhancing effect on properties of
concrete. This investigation proves that quarry dust can be used
as a partial substitute for natural sand in preparing concrete.
International Journal of Engineering Research and Applications (IJERA) is a team of researchers not publication services or private publications running the journals for monetary benefits, we are association of scientists and academia who focus only on supporting authors who want to publish their work. The articles published in our journal can be accessed online, all the articles will be archived for real time access.
Our journal system primarily aims to bring out the research talent and the works done by sciaentists, academia, engineers, practitioners, scholars, post graduate students of engineering and science. This journal aims to cover the scientific research in a broader sense and not publishing a niche area of research facilitating researchers from various verticals to publish their papers. It is also aimed to provide a platform for the researchers to publish in a shorter of time, enabling them to continue further All articles published are freely available to scientific researchers in the Government agencies,educators and the general public. We are taking serious efforts to promote our journal across the globe in various ways, we are sure that our journal will act as a scientific platform for all researchers to publish their works online.
Study of Flexural Strength and Flexural Modulus of Reinforced Concrete Beams ...Premier Publishers
This study was carried out to investigate the effects of raffia palm fibre on some mechanical behaviour (flexural strength, flexural modulus, water absorption rate and density) of concrete. A concrete mix ratio of 1:2:4 was used for the concrete beams production, while a water to cement ratio (w/c) of 0.5 was adopted. In the study, three different fibre lengths (10, 20 and 30 mm) and three different fibre content (volume) by mass of fine aggregate (1, 2 and 3%) were considered. According to the results of the preliminary test carried out on the fine aggregate, it had a silt content of 1.6%, a moisture content of 8.3%, and a specific gravity of 2.95. Flexural properties of the beams were tested in accordance with ASTM recommended procedures after 28 curing days. Results obtained showed that fibre volume had significant (p ≤0.05) effect on the flexural strength and flexural modulus of the beams. The flexural strength and flexural modulus decreased linearly as the fibre volume increased from 0% to 3%. According to the results, the fibre reinforced beams were more ductile, when compared to the unreinforced concrete beams. In addition, the densities of the beams decreased with increase in the fibre volume; while their water absorption rate increased with increase in the fibre volume. The low densities and brittleness of the reinforced beams (at low volume) made them good building materials, especially when heavy weight beams are a problem, provided the beams are not exposed to high moisture levels.
Suitabilty of palm kernel shell as coarse aggregate in
1. Civil and Environmental Research www.iiste.org
ISSN 2224-5790 (Paper) ISSN 2225-0514 (Online)
Vol.6, No.7, 2014
55
Suitabilty of Palm Kernel Shell As Coarse Aggregate In
Lightweight Concrete Production
Williams, F.N1*
, Ijigah, E.A1
Anum, I2
, Isa, R.B1
and Obanibi, A.O1
1. Department of Building, Federal University of Technology,
Minna, Niger State, Nigeria.
2. Department of Building, Modibbo Adama University of Technology,
Yola, Adamawa State, Nigeria.
* E-mail: frankwills1984@yahoo.com
Abtract
Palm kernel shell(PKS) is an agricultural waste which is environmental friendly. This research was focused on
the assessment of characteristic strength of palm kernel shell concrete, with the view to be used as lightweight
aggregate. This research is carried out to help in reducing construction cost in areas where lightweight concrete
canbe considered. Various tests were carried out in order to ascertain its use as lightweight aggregate. The aim
was achieved by casting the beam and cubes with total replacement of granite with PKS and also casting an
equivalent control to give a basis for comparison and a water cement ratio of 0.65 at a mix ratio of 1:2:4. A total
of 24 beams and cubes each were cast respectively . They were cured for 7, 14, 21 and 28days. Crushing of 3
each for the Palm Kernel Shell Concrete (PKSC) and Normal Weight Concrete (NWC) for each curing day upto
the age of 28 days was carried out. The results of crushing values are as follows for 7, 14, 21 and 28 days;
14.47N/mm2
, 18.49N/mm2
, 20.33N/mm2
, 23.00N/mm2
and 7.40N/mm2
, 9.20N/mm2
; 11.30N/mm2
, 13.10
N/mm2
, for NWC and PKSC respectively. The value for the flexural strength is as follow; 1.87, 0.91, 1.36, 1.81
and 0.34, 0.34, 0.40, 0.34 for NWC and PKSC respectively. The results showed that the compressive and
flexural strength improved with age of curing, though the compressive and flexural strength of PKSC is low as
compared to that of the NWC. It was concluded that the compressive and flexural strength of NWC is higher
than that of PKSC. Therefore PKSC canbe used as lightweight concrete which should be designed with the
corresponding design for NWC. It can therefore be concluded that palm kernel shell is a lightweight aggregate
and can be used to produce lightweight concrete.
Keywords: Palm kernel shell, lightweight aggregate, compressive strength, flexural strength
1. Introduction
Continuous increase in the cost of construction is one of the major challenges the construction industry is
encountering and quality discharge of great number of developmental project, as such projects are dependent on
some factors of production which is the cost of materials (Anthony, 2000). In line with this, Shetty (1999)
affirmed that the prices of concrete elements primarily depends on the cost of material and labour. According to
Falade, Ikponmwosa and Ojediran, (2010) the volume of concrete is composed of about 70-80% of coarse
aggregate, which is to connote that the percentage is of considerable importance. The use of natural agricultural
and industrial bye product has now become imperative as alternatives to the use of granite that causes noise
pollution during manufacturing according to Falade et al, (2010).
Lightweight Concrete therefore has been in use since the time of ancient Roman and that has lead to it been
famous due to its lower density and thermal insulation properties (Chandra and Berntsson, 2002). They also
added that lightweight concrete helps in a great way to reduce the dead load of a structural component, which
makes it considerable in the construction of multi-storey buildings.
According to Olutoge,(1995) Palm Kernel Shells(PKS) are gotten from threshing or crushing mill to remove the
palm seed after the palm kernel oil has been extracted. He added that during the process of extracting the oil at
the mill industry, the solid residues and liquid wastes are obtained. PKS are known to have stony and hard
endocarps that serve as protective covering for the palm kernel which are usually in diverse sizes and shapes.
They are naturally sized, light in weight and are appropriate for replacing coarse aggregates in lightweight
construction, since they are known to be hard and of organic origin, once used to produce concrete, they hardly
contaminate or leach to form toxic substances, since they are attracted together in matrix form. He therefore
asserted that the PKS used for lightweight concretehas an advantage over aerated concrete, since permeability is
low and the chance for carbonation is reduced. Okafor (1988) described palm kernel shell to have irregular shape
after cracking and therefore its shape cannot be defined. The shape takes pattern of cracking on the shell and
usually composed of many shapes ranging from semi-circular shapes, parabolic, other irregular and flaking
shapes. After cracking, the edges of the shells are rough and spiky and the overall shape becomes concave and
convex with a fairly smooth surface. According to Okafor(1998), there is no fixed thickness for the shell, this
depends on the species from which it is obtained, ranging from 1.5 mm to 4 mm and usually between 2 mm and
3 mm.
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The rise in the need for concrete in the construction industry using Natural weight aggregates such as granite or
gravel has greatly reduced the availability of natural stone and has lead to the damaged of the environment
leading to imbalance of the ecological system (Short and Kinniburgh, 1978). Theybalso added that there is the
necessity to explore and findout good replacement material to replace the natural stone. In the developed
countries, construction industries have researched many natural and artificial lightweight aggregates that can
serve as replacement for conventional aggregates thereby bringing down the structural sizes of the members
(Ramli,2003). He also added that this has brought incredible changes in the development of lightweight concrete
in high rise structures using lightweight concrete. However, in developing countries, the construction industry is
yet to fully make use of lightweight concrete in the construction of high rise structures. The use of PKS is
essential because the requirement of vegetable oil is regularly increasing and commercial cropping of palm oil is
needed in the future (Ramli,2003).
2. Materials and Methods
The research work was carried out with the use of the following equipments; (100×100×100)mm molds for
cubes, shovel, weighing balance, sieves of different sizes, measuring pan, tamping rod, crushing machine for
strength test for both flexural and compressive all available in Building laboratory Federal University of
Technology Minna, Niger state. The materials that was used for this research work are coarse aggregate
(maximum 19mm) which was obtained from a nearby quarry, palm kernel shell which was obtained in minna,
Niger state likewise the fine aggregate. Table 1 shows the summary of the physical properties of the constituent
materials used which includes specific gravity, moisture content and bulk density.
Table 1. Summary of Physical Properties of Constituent Materials
Parameters PKS Sand Cement Granite
Specific Gravity
Bulk Density (kg/m
3
)
Uncompacted
Compacted
Moisture Content (%)
Sieve analysis
Fineness modulus
Coefficient of uniformity, Cu
Coefficient of curvature, Cc
1.34 2.62 3.06 2.70
568.8 1301.6 1469.9
672.3 1616.4 1633.2
6.9
3.03 2.87
2.70 1.42
1.32 1.204
3. Results and Discussion
The results of the workability tests as shown in table 2 on each sample show that the PKSC sample requires
more water due to it is high water absorption capacity. The results obtained from the crushed granite concrete
indicate a true slump. The workability test indicated that granite was also within the range but that of PKSA was
quite workable but did not slump as some of the water were absorbed.
Table 2. Workability test of Normal Weight Concrete(NWC) and Palm Kernel Shell Concrete(PKSC).
S/No Paste
Sample
W/c
Ratio
Degree of workability
Slump(mm)
1 NWC 0.65 12
2 PKSC 0.65 0
Table 3 shows the compressive strength test for 7 days, 14 days, 21 days and 28 days respectively, it was
observed that the compressive strength of palm kernel shell and the normal weight concrete. It also shows that
the Normal weight concrete has a higher compressive strength than palm kernel shell concrete. The values
obtained from the compressive strength for various days was plotted via the use of bar chart as shown in figure 1.
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Table 3. Summary of average Compressive Strength Test
TEST
(N/MM
2
)
7 DAYS 14 DAYS 21 DAYS 28DAYS
NWC 14.47 18.49 20.33 23.00
PKSC 7.40 9.20 11.30 13.10
Figure 1. Chart of Average NWC Compressive Strength against PKSC
From table 4, it was observed that the flexural strength of palm kernel shell and the normal weight concrete was
increasing with curing age, but that of PKSC did not. This implies that PKSC cannot withstand the flexural
strength. This indicates that the crushed granite has a greater flexural strength as compared to PKSC.
Table 4. Summary of average Flexural Strength Test
TEST
(N/MM
2
)
7 DAYS 14 DAYS 21 DAYS 28DAYS
NWC 1.87 0.91 1.36 1.81
PKSC 0.34 0.34 0.40 0.34
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Figure 2. Average Flexural Strength of NWC against PKSC
The average densities of cubes produced with periwinkle shell aggregates are 3760.00kg/m3
, 3943.33kg/m3
,
4006.67kg/m3
and 4586.67kg/m3
which lies between the densities range of 300kg/m3 to 1850kg/m3 [Neville and
Brooks, 1987] for lightweight concrete.
4. CONCLUSION
§ This research work vividly shows that PKS can be used for concrete production as lightweight
aggregate and therefore canbe used to produce lightweight concrete. The properties of PKS fresh
concrete is however excellent, it is very workable, consistent and easily placed. Hardened palm kernel
shell concrete (lightweight concrete) developed sufficient strength that will help make it suitable for a
wide range of uses. However the flexural and compressive strength values of the normal weight
concrete is about twice that of the palm kernel shell which is normal as PKS is lighter. The specific
gravity of PKS coarse aggregate is relatively low compared to the range of values for different coarse
aggregate as a result of the high amount of voids within the particles. It can therefore be concluded that
PKSC is useful as coarse aggregate where they are abundant in other to reduce the cost of building
construction. palm kernel shell concrete can also be partially replaced with course aggregate to get a
desired strength in building construction projects.
References
America Society for Testing Materials C127-93 “Specific Gravity Definition”
Anthony, B. J. (2000). Physical Modeling in Geotechnics. PhD Thesis, Virginia Polytechnic Institute and State
University. http:/www.geotechlinks.com/gin.php
British Standard Institute BS 812: 2 (1975): “Specification for Bulk Density of Materials.”
London, United Kingdom.
British Standard, BS 4450:Part3: section 3.5and 3.7:1978 ”Methods of testing cement
British Standards, Institutions, B.S. 4550 (1978); Section: 3.4: Methods of testing cements; London.
British Standard Institution. (1980). BS 3148 Part 2 Test of Water for Making Concrete. London: BSI.
British Standard Code of Practice. 1980. BS 3148, test for water for making concrete. British Standard
Institution, London.
BS 1881: Part 107 (1983) ‘Testing concrete - Method for determination of density of compacted fresh
concrete’ British Standards Institution, London, UK. 8 pp.
British Standards Institution. “Specification for Portland Cements,” BSI,
London, 1991, BS 12.
Chandra, S and Berntsson, L (2002).Lightweight Aggregate Con-crete Science Technology and Applicaton.
Noyes Publication. New York
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Vol.6, No.7, 2014
59
Falade, F. 1995. An Investigation of Periwinkle Shells as Coarse Aggregate in Concrete. Building and
Environment. 30(4): 573-577.
Falade, F, Ikponmwosa, E. E and Ojediran, N. I (2010) Behaviour of lightweight concrete containing periwinkle
shell at elevated temperature Journal of Engineering Science and Technology Vol. 5(4) p. 379 - 390.
Okafor, F.O. 1988. “Palm kernel shell as a lightweight aggregate for concrete” Cement and Concrete Research
18, pp. 901-910.
Olutoge, F.A. (1995), “A Study of Sawdust, Palm Kernel Shell and Rice Husk Ash as Full/Partial Replacement
for Sand, Granite and Cement in Concrete”, M.Sc. Project, University of Lagos, Nigeria, Unpublished
pp 56-62.
Ramli, A, 2003. “Short-term and long-term projection of Malaysian palm oil production”, Oil Palm Industry
Economic Journal 3, pp.32-36.
Shetty, M.S. (2005) Concrete Technology: Theory and Practice
Short, A, and W Kinniburgh, 1978. “Lightweight Concrete”, 3 edn. London: Applied Science.
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