The document describes an experiment to determine the aggregate impact value of a given specimen through a standardized test procedure. Three samples were tested by subjecting aggregates retained between 10mm and 12.5mm sieves to 15 blows from a falling hammer. The percentage of material passing a 2.36mm sieve was calculated to determine the aggregate impact value, with average values below 10 considered strong and above 35 too weak for construction. The tested samples had average impact values of 44.13%, indicating suitability for construction applications.
A sample lab report on Marshall method of mix design for bituminous mixtures with all calculations.
Please request with your mail ID if you want to download this document.
This presentation is of Penetration Test for Bitumen. Penetration test measures the hardness or softness of bitumen by measuring the depth in tenths of a millimeter to which a standard loaded needle will penetrate vertically in 5 seconds.
There are different grades of Bitumen used for the civil (especially for roads works) work. This presentation consists of the aim, significance, about the apparatus used procedure, noting the reading, Bis recommendation values and IRC recommendation values, precautions,
Dense Bituminous Macadam (DBM) is a binder course used for roads with more number of heavy commercial vehicles and a close-graded premix material having a voids content of 5-10 per cent.
The Marshall stability and flow test provides the performance prediction measure for the Marshall mix design method. The stability portion of the test measures the maximum load supported by the test specimen at a loading rate of 50.8 mm/minute. Load is applied to the specimen till failure, and the maximum load is designated as stability. During the loading, an attached dial gauge measures the specimen's plastic flow (deformation) due to the loading. The flow value is recorded in 0.25 mm (0.01 inch) increments at the same time when the maximum load is recorded.
TERZAGHI’S BEARING CAPACITY THEORY
DERIVATION OF EQUATION TERZAGHI’S BEARING CAPACITY THEORY
TERZAGHI’S BEARING CAPACITY FACTORS
Download vedio link
https://youtu.be/imy61hU0_yo
this document contains a list of experiments which is performed in the soil mechanics laboratory.As this in not a professional document there might be some mistakes in the observations or plots, The report is made by the students of Civil engineering department UET Peshawar(which includes the publisher)
A sample lab report on Marshall method of mix design for bituminous mixtures with all calculations.
Please request with your mail ID if you want to download this document.
This presentation is of Penetration Test for Bitumen. Penetration test measures the hardness or softness of bitumen by measuring the depth in tenths of a millimeter to which a standard loaded needle will penetrate vertically in 5 seconds.
There are different grades of Bitumen used for the civil (especially for roads works) work. This presentation consists of the aim, significance, about the apparatus used procedure, noting the reading, Bis recommendation values and IRC recommendation values, precautions,
Dense Bituminous Macadam (DBM) is a binder course used for roads with more number of heavy commercial vehicles and a close-graded premix material having a voids content of 5-10 per cent.
The Marshall stability and flow test provides the performance prediction measure for the Marshall mix design method. The stability portion of the test measures the maximum load supported by the test specimen at a loading rate of 50.8 mm/minute. Load is applied to the specimen till failure, and the maximum load is designated as stability. During the loading, an attached dial gauge measures the specimen's plastic flow (deformation) due to the loading. The flow value is recorded in 0.25 mm (0.01 inch) increments at the same time when the maximum load is recorded.
TERZAGHI’S BEARING CAPACITY THEORY
DERIVATION OF EQUATION TERZAGHI’S BEARING CAPACITY THEORY
TERZAGHI’S BEARING CAPACITY FACTORS
Download vedio link
https://youtu.be/imy61hU0_yo
this document contains a list of experiments which is performed in the soil mechanics laboratory.As this in not a professional document there might be some mistakes in the observations or plots, The report is made by the students of Civil engineering department UET Peshawar(which includes the publisher)
Strength of material lab, Exp 3&4: Compression and impact testsOsaid Qasim
- Utilization the UTM machine and know the different
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2- Knowing the different types of failure in the compression.
3- Determining Young's modulus “E” and Passion’s ratio
“υ” and Yield/Proof stress σ y.
1. Finding the impact load effect on the materials.
2. Finding the relative toughness of the different materials.
3. Distinguish between static and dynamic loads and how differently they
effect in the material.
4.Knowing the different methods to preform the impact test (Charpy,
IZOD, Impact tensile).
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The main purpose of this report is to study the mechanical properties and
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test, and hardness test were conducted on the standard specimens of mild steel.
From the tests, results were obtained; Tensile strength, Impact strength, and
hardness were calculated. It was observed that Tensile Strength, Impact Strength
and Hardness of MS specimen were 1450.833 N/mm², 29.5 J & 59.25 HRB.
We have compiled the most important slides from each speaker's presentation. This year’s compilation, available for free, captures the key insights and contributions shared during the DfMAy 2024 conference.
HEAP SORT ILLUSTRATED WITH HEAPIFY, BUILD HEAP FOR DYNAMIC ARRAYS.
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Forklift Classes Overview by Intella PartsIntella Parts
Discover the different forklift classes and their specific applications. Learn how to choose the right forklift for your needs to ensure safety, efficiency, and compliance in your operations.
For more technical information, visit our website https://intellaparts.com
Welcome to WIPAC Monthly the magazine brought to you by the LinkedIn Group Water Industry Process Automation & Control.
In this month's edition, along with this month's industry news to celebrate the 13 years since the group was created we have articles including
A case study of the used of Advanced Process Control at the Wastewater Treatment works at Lleida in Spain
A look back on an article on smart wastewater networks in order to see how the industry has measured up in the interim around the adoption of Digital Transformation in the Water Industry.
Cosmetic shop management system project report.pdfKamal Acharya
Buying new cosmetic products is difficult. It can even be scary for those who have sensitive skin and are prone to skin trouble. The information needed to alleviate this problem is on the back of each product, but it's thought to interpret those ingredient lists unless you have a background in chemistry.
Instead of buying and hoping for the best, we can use data science to help us predict which products may be good fits for us. It includes various function programs to do the above mentioned tasks.
Data file handling has been effectively used in the program.
The automated cosmetic shop management system should deal with the automation of general workflow and administration process of the shop. The main processes of the system focus on customer's request where the system is able to search the most appropriate products and deliver it to the customers. It should help the employees to quickly identify the list of cosmetic product that have reached the minimum quantity and also keep a track of expired date for each cosmetic product. It should help the employees to find the rack number in which the product is placed.It is also Faster and more efficient way.
Student information management system project report ii.pdfKamal Acharya
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1. EXPERIMENT NO 01
AGGREGATE IMPACT VALUE TEST
CONCRETE TECHNOLOGY AND TESTING
NAME : PRABODHA W.M.C.
REG NO : 2018/ET/071
GROUP : 03
DATE : 02/06/2021
2. DATE : 16/06/2021
TITLE : AGGREGATE IMPACT VALUE TEST
AIM/OBJECTIVES :
To determine the aggregate impact value of the given specimen.
NOTATION:
Milimeter (mm)
Gram (g)
INTRODUCTION:
Aggregates are one of the most important materials in the field of construction industry. If the
aggregates are weak, the stability of the concrete structure is adversely affected. The strength of coarse
aggregates is assessed by Aggregate Impact Value test. The aggregate impact value provides a relative measure
of resistance to sudden shock or impact.
APPARATUS
1. Aggregate impact testing machine
2. Cylindrical mould
3. Tamping rod
4. IS sieve 12.5, 10 and 2.36 mm
5. Balance 6. Oven
THEORY
Aggregate Impact Value (AIV) is the percentage of fines produced from the aggregate sample after
subjecting it to a standard amount of impact. The standard amount of impact is produced by a known weight,
i.e., a steel cylinder, falling a set height, a prescribed number of times, onto an amount of aggregate of standard
size and weight retained in a mould. Aggregate Impact Values, below 10 are regarded as strong and above 35
are normally regarded as too weak for construction field.
PROCEDURE
• The sample was cleaned by water and cloth to free from dust.
• The sample was dried by oven up to 4 hours.
• Sieve the aggregate sample through 12.5 mm and 10.0mm sieves. The aggregates were passed through 12.5
mm sieve and retained on 10.0mm sieve comprises the test sample.
3. • Weigh the empty measuring cylinder as w1 g. Figure1 : apparatus were setuped of aggregate impact testing
machine
• The aggregates were poured to fill about just 1/3rd depth of measuring cylinder.
• The material was tamp by given 25 gentle blows with the rounded end of the tamping rod.
• Two more layers were added in similar manner, so that cylinder is full.
• Aggregates were striked off the surplus
• The weight of the aggregates were determined with measured cylinder as w2 g.
• The metal cup was fixed firmly in position on the base of machine and lock it to ensure that it does not
oscillate.
• The hammer released of the impact test machine, which falls freely on the sample.
• The test sample was subjected to a total of 15 blows at 1 second interval.
• Weigh the empty sieve size 2.36mm as w4 g.
• The metal cup was removed from the machine & sieve the aggregate through 2.36mm sieve.
• Weigh the sample weight retained in sieve 2.36mm as w5 g.
• The amount was calculated of sample pass through 2.3mm as w3 g.
OBSERVATIONS
No Details
Sample number
1 2 3
1 Weight of empty measuring cylinder = W1 g 970.1 970.1 970.1
2 Weight of aggregate with measuring cylinder = W2 g 1407.7 1384.5 1398.6
3 Weight of empty 2.36mm sieve = W4 (g) 328.6 328.6 328.6
4 Weight of aggregate retained in 2.36 mm sieve with sieve
pan = W5 (g)
557.3 570.6 572.7
5 Weight of aggregate passed through 2.36 mm sieve = W3 g 208.9 172.4 184.4
6 Aggregate Impact value ( % ) 47.74% 41.60% 43.04%
7 Average aggregate impact value 44.13% 44.13% 44.13%
SPECIMEN CALCULATION
Sample 01. Weight of the aggregate sample = 1407.7 – 970.1
= 437.6g
Weight of the aggregate sample = W2-W1
4. Sample 02. Weight of the aggregate sample = 1384.5 – 970.1
= 414.4g
Sample 03. Weight of the aggregate sample = 1398.6 – 970.1
= 428.5g
Sample 01. Weight of the retained aggregate sample = 557.3 – 328.6
= 228.7g
Sample 02. Weight of the retained aggregate sample = 570.6 – 328.6
= 242g
Sample 03. Weight of the retained aggregate sample = 572.7 – 328.6
= 241.1g
Sample 01. Weight of the sample passing through 2.36 mm sieve = 437.6 – 228.7
= 208.9g
Sample 02. Weight of the sample passing through 2.36 mm sieve = 414.4 – 242
= 172.4g
Sample 03. Weight of the sample passing through 2.36 mm sieve = 428.5 – 244.1
= 184.4g
RESULTS
Sample 01. Aggregate Impact Value = 208.9 / (437.6)*100%
= 47.74%
Sample 02. Aggregate Impact Value = 172.4 / (414.4)*100%
= 41.60%
Sample 03. Aggregate Impact Value = 184.4 / (428.5)*100%
= 43.04%
Weight of the retained aggregate sample = W5-W4 g
Weight of the sample passing through 2.36 mm sieve = W3 g = (W2-W1) - (W5-W4) g
Aggregate Impact Value = W3/( W2 − W1) × 100 %
5. DISCUSSION
1.Describe about the application of Aggregate Impact values & state the values used in construction industry.
Application of Aggregate Impact values
The aggregate impact value is a determining measure of resistance to sudden impact or shock, which
may differ from its resistance to gradually applied compressive load.
1.To determine the impact value of the aggregates used in pavement construction(Road);
2.To assess their suitability in road layers (base course, surface course ) construction on the basis of impact
value.
State the values used in construction industry
Aggregate having AIV % less 50% is better to use in construction where as those having value more than
50% are bad for construction.
It is reliable to calculate the AIV % of the aggregate use as road construction as it will give us the capacity
of road to bear the load on it. Aggregate having AIV % equal or greater than 35 % is considered bad to
use in road construction.
2. Analyze the result obtained from experiments with the values used in construction industry
To determine the impact value of the aggregates used in pavement construction(Road);
To assess their suitability in road layers (base course, surface course ) construction on the basis of
impact value.
CONCLUSION
The tested aggregates are passed to be used in construction work
REFERENCES
https://civilplanets.com/
https://wecivilengineers.wordpress.com/