Reduction of Municipal Solid Waste and utilize it in making aggregate of required compressive strength till M20 grade. Also it is economic and eco-friendly.
The Effect of Rise Husk Ash on Strength and Permeability of ConcreteAkshay D Nicator
HA, produced after burning of Rice husks (RH) has high reactivity and pozzolanic property. Indian Standard code of practice for plain and reinforced concrete, IS 456- 2000, recommends use of RHA in concrete but does not specify quantities.
Presentation on using industrial waste water in making of plain concrete @ in...Raghavendra Rachamadugu
Improving ‘waste reduction’ and ‘recycling techniques’ is currently being advocated worldwide. For transforming our words into action, finding a remedy became imperative. Our intentions drifted our attention towards efficiency of water treatment, dissipation of wealth for partially recovering its potability and conserving the precious water resource for sustainable development. With the world advancing in concrete technology and growing scarcity of usable water, we are compelled to start with replacing the use of potable water in construction by ‘industrial waste water’. The feasibility of using industrial effluents as mixing water and the effect of its constituents on cement mortar properties were experimentally evaluated. Cement mortar specimens were cast using crude waste water and deionised water for comparison. This paper examines the effect of industrial waste water (from electroplating industry) on cement mortar properties like setting time, density and compressive strength. Using fairly conservative assumptions regarding the life of concrete prepared using water tainted with metallic ions, the rate of chemical deterioration and with a greater emphasis on cost effectiveness, it can be shown that this breakthrough most likely achieves overall positive social benefits.
MIXTURE DESIGN OF FLY ASH & SLAG BASED ALKALI ACTIVATED CONCRETE FOR PRECAST ...IEI GSC
Presentation on MIXTURE DESIGN OF FLY ASH & SLAG BASED ALKALI ACTIVATED CONCRETE FOR PRECAST CONCRETE
made by Daxesh Patel under guidance of Prof Sonal Thakkar at #33NCCE #IEIGSC
Study of behaviour of concrete using waste materials as a partial substituteSwathy B
Concrete is a composite material that comprises basically of a binding medium, such as a blend of Portland cement and water, inside which are embedded particles or fragments of aggregate, usually a mixture of fine and coarse aggregate. The increase in population has resulted a rise in demand of housing and other construction works, which in turn led to a large shortage of building materials. As these conventional building materials consume a large amount of thermal and electrical energies during their production, the rate of pollution of the environment is also on the rise. This led to the research of building material substitutes, which at the same time doesn’t compromise the quality of the construction and also has eco-friendly properties. This study aims at utilization and to ascertain the suitability of rubber wood ash, crumb rubber, ceramic tile pieces as a partial replacement of cement, fine aggregate and coarse aggregate respectively in normal concrete. Initially properties of materials are analyzed. There after binder material is partially replaced by rubber wood ash at varying percentage 0 to 10%, at interval of 2.5% and tested for its workability and compressive strength for the age of 7 and 28 days. And the results were compared with those of conventional concrete to arrive at an optimum mix having maximum compressive strength. The replacement which gives more strength is chosen and the binder is fixed accordingly for further trials. Thereafter coarse aggregate and fine aggregates are partially replaced by ceramic tile pieces and crumb rubber respectively at varying percentages from 2 to 8% at intervals of 2% to find the optimum mix having maximum compressive strength. The strength and durability performance of these concrete with conventional concrete is studied. Qualitative analysis of waste substituted concrete is studied using XRD method. It was found that maximum strength properties was when fine aggregate and coarse aggregate was replaced up to 2% with crumb rubber and ceramic tile pieces along with 5% rubber wood ash as partial replacement of cement.
Keywords: Rubber wood ash, Crumb rubber, Ceramic tile pieces
The Effect of Rise Husk Ash on Strength and Permeability of ConcreteAkshay D Nicator
HA, produced after burning of Rice husks (RH) has high reactivity and pozzolanic property. Indian Standard code of practice for plain and reinforced concrete, IS 456- 2000, recommends use of RHA in concrete but does not specify quantities.
Presentation on using industrial waste water in making of plain concrete @ in...Raghavendra Rachamadugu
Improving ‘waste reduction’ and ‘recycling techniques’ is currently being advocated worldwide. For transforming our words into action, finding a remedy became imperative. Our intentions drifted our attention towards efficiency of water treatment, dissipation of wealth for partially recovering its potability and conserving the precious water resource for sustainable development. With the world advancing in concrete technology and growing scarcity of usable water, we are compelled to start with replacing the use of potable water in construction by ‘industrial waste water’. The feasibility of using industrial effluents as mixing water and the effect of its constituents on cement mortar properties were experimentally evaluated. Cement mortar specimens were cast using crude waste water and deionised water for comparison. This paper examines the effect of industrial waste water (from electroplating industry) on cement mortar properties like setting time, density and compressive strength. Using fairly conservative assumptions regarding the life of concrete prepared using water tainted with metallic ions, the rate of chemical deterioration and with a greater emphasis on cost effectiveness, it can be shown that this breakthrough most likely achieves overall positive social benefits.
MIXTURE DESIGN OF FLY ASH & SLAG BASED ALKALI ACTIVATED CONCRETE FOR PRECAST ...IEI GSC
Presentation on MIXTURE DESIGN OF FLY ASH & SLAG BASED ALKALI ACTIVATED CONCRETE FOR PRECAST CONCRETE
made by Daxesh Patel under guidance of Prof Sonal Thakkar at #33NCCE #IEIGSC
Study of behaviour of concrete using waste materials as a partial substituteSwathy B
Concrete is a composite material that comprises basically of a binding medium, such as a blend of Portland cement and water, inside which are embedded particles or fragments of aggregate, usually a mixture of fine and coarse aggregate. The increase in population has resulted a rise in demand of housing and other construction works, which in turn led to a large shortage of building materials. As these conventional building materials consume a large amount of thermal and electrical energies during their production, the rate of pollution of the environment is also on the rise. This led to the research of building material substitutes, which at the same time doesn’t compromise the quality of the construction and also has eco-friendly properties. This study aims at utilization and to ascertain the suitability of rubber wood ash, crumb rubber, ceramic tile pieces as a partial replacement of cement, fine aggregate and coarse aggregate respectively in normal concrete. Initially properties of materials are analyzed. There after binder material is partially replaced by rubber wood ash at varying percentage 0 to 10%, at interval of 2.5% and tested for its workability and compressive strength for the age of 7 and 28 days. And the results were compared with those of conventional concrete to arrive at an optimum mix having maximum compressive strength. The replacement which gives more strength is chosen and the binder is fixed accordingly for further trials. Thereafter coarse aggregate and fine aggregates are partially replaced by ceramic tile pieces and crumb rubber respectively at varying percentages from 2 to 8% at intervals of 2% to find the optimum mix having maximum compressive strength. The strength and durability performance of these concrete with conventional concrete is studied. Qualitative analysis of waste substituted concrete is studied using XRD method. It was found that maximum strength properties was when fine aggregate and coarse aggregate was replaced up to 2% with crumb rubber and ceramic tile pieces along with 5% rubber wood ash as partial replacement of cement.
Keywords: Rubber wood ash, Crumb rubber, Ceramic tile pieces
Evaluation of durability properties of recycled aggregate concrete incorporat...IEI GSC
Presentation on Evaluation of durability properties of recycled aggregate concrete incorporating flyash and silica fume by Parth Patel, Guided by Dr Urmil Dave & Prof Tejas Joshi, Nirma University, Ahmedabad at #33NCCE 33rd National Convention of Civil Engineers at #IEIGSC
Experimental study on Use of Waste Glass as admixture in ConcreteIJSRD
Glass is utilized as a part of numerous structures in everyday life. It has restricted life and after use it is either stock heaped or sent to landfills. Since glass is non-biodegradable, landfills don't give a situation well-disposed arrangement. Thus, there is solid need to use waste glasses. Many efforts has already been made in concrete engineering as a partial replacement of cement or fine aggregate or coarse aggregate. In this experiment we use waste glass powder as a partial replacement of cement and a comparative study has been made with other admixture such as fly ash and silica fume. A series of test were conducted with partial replacement of glass by 15% and 30% to weight of cement where as we have used only 15% of partial replacement in case of fly ash and silica fume just to compare the results with glass at 15% and 30%. The present study demonstrates that waste glass, if ground finer than 100µm demonstrates a pozzolanic conduct. It responds with lime at early time phase of hydration forming extra CSH gel along these lines shaping denser bond matrix. The early utilization of alkalis by glass particles moderate alkali silica reaction consequently expands durability of cement.
Effectiveness of Use of Rice Husk Ash as Partial Replacement of Cement in Con...IJMER
India is a major rice producing country, and the husk generated during milling is mostly
used as a fuel in the boilers for processing paddy and producing energy through direct combustion.
About 21 million tones of Rice Husk Ash (RHA) is produced annually. This RHA is regarded as a waste
and has disposal problem because of the fact that it consumes a vast area for dumping. Lots of ways are
being thought of for disposing them by making commercial use of this RHA. RHA can be used as a
replacement for concrete (5 to 15%).This paper evaluates how different contents of Rice Husk Ash
added to concrete may influence its properties. In this study, cement was replaced by waste RHA as
5%,10% and 15% by weight for M-25 mix. The concrete specimens were tested for compressive
strength, durability (water absorption) and density at 28 days of age and the results obtained were
compared with those of normal concrete. The results concluded the permissibility of using waste RHA
as partial replacement of cement up to 10% by weight of cement
Experimental Investigation on the Concrete as a Partial Replacement of Fine a...IJSRD
This project work involves in an experimental study on the concrete by using stone dust and brick dust on the mechanical properties of the concrete. In this experimental study two types admixtures are used in preparation of concrete mix. Stone dust and brick dust are added from 0% to 25% by weight of fine aggregate with increment of 5%. A comparative analysis has been carried out for conventional concrete to that of the admixture concrete in relation to their compressive, split tensile and flexural strength properties. As the stone dust and brick dust content increases in cement concrete, the compressive and split tensile values are proportionally increasing. It is observed that at 20% of stone dust and brick dust is the optimum dosages for concrete mixture.
AN EXPERIMENTAL STUDY ON PROPERTIES OF TERNARY BLENDED CONCRETE USING GGBS AN...AM Publications
Ground granulated blast furnace slag (GGBS) is a by-product obtained from the blast furnaces used in the iron manufacturing industry. The disposal of the marble powder obtained from marble industry constitutes one of the environmental problems around the world. One of the possible solutions for the effective use of GGBS and marble powder is to partially replace cement in concrete. This paper presents the results of an experimental study on concrete in which the cement is partially replaced by both GGBS and marble powder. In this study, different percentages of GGBS and marble powder are used for partial replacement of cement by 30%. Tests conducted includes workability of fresh concrete (Slump test), strength of hardened concrete (Compressive strength, Split tensile strength and Flexural strength) and durability properties of concrete (Chloride resistance and Sulphate resistance).
Study on effect of Alccofine & Fly ash addition on the Mechanical properties ...ijsrd.com
This paper presents the results of an experimental investigation carried out for M-70 Grad Concrete and to evaluate the compressive strength and Flexural Strength of Concrete. High Performance Concrete is made by partial replacement of cement by alccofine, fly ash, silica fume. In this study the Class F fly ash used in various proportions 20 to 35%, alccofine 4 to 14% and silica fume 4% to 14% by weight of cement. The mix proportions of concrete had a water binder ratio for Alccofine mix concrete 0.30 and Silica-fume mix concrete 0.32.super plasticizer was added based on the required degree of workability. The total binder content was 600 kg/m3. The concrete specimens were cured on normal moist curing under normal atmospheric temperature. The compressive strength was determined at 7 , 28 , 56 days and flexural strength was determined at 28 and 56 days The results indicate the concrete made with these proportions generally show excellent fresh and hardened properties. The addition of Alccofine, silica fume shows early strength gaining property and that of fly ash shows a long term strength. The ternary system that is Portland cement-fly ash-Alccofine concrete was found to increase the compressive strength of concrete on all age when compared to concrete made with Portland cement-fly ash-silica fume.
Experimental Study On Rice Husk As Fine Aggregates In Concretetheijes
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
Experimental Study on Use of Waste Marble Dust in ConcreteIJERA Editor
Concrete is the most important component used in the construction industry throughout the world, where the
fine aggregate is generally natural sand. The use of sand in construction activities results in the excessive
mining. Due to excessive mining, natural resources are getting exhausted, results in increase in scour depth and
sometimes flood possibility. Thus, it is becoming inevitable to use alternative material in concrete.Marble is one
of the important materials used in the construction industry. Marble powder is produced from processing plants
during the sawing and polishing of marble blocks and about 20 - 25% of the processed marble is turn into
powder form. Disposal of the marble powder material from the marble industry is one of the environmental
problems worldwide today.The present study is aimed at utilizing Waste marble powder construction industry
itself as fine aggregate in concrete, replacing natural sand. The replacement is done partially and fully in the
proportion 0%, 25%, 50% and 100% and its effect on properties of concrete were investigated.
Steel industry by products for sustainable constructionsManjunatha L.R
Dr.L.R.Manjunatha ,PhD ,A Sustainability Expert presents on who steel industry byproducts can be effectively utilized by using technologies and converted to valuable green products for the construction sector
Cement is the main construction material for making concrete. It provides good bonding between aggregates and also provides strength. But at the time of manufacturing, cement releases high amount of CO2. In order to reduce the environmental impact and to improve the property of concrete, Palm ash concrete are used. Palm ash concrete containing palm ash as partial substitute for cement. The replacement percentages are 10%, 20%, 30%. In these investigations, compressive strength and durability of palm ash concrete and normal concrete were found out. Results are tabulated and discussed. The properties of palm ash concrete are also compared with the conventional concrete. The palm ash concrete is very economical and also ecofriendly concrete
Evaluation of durability properties of recycled aggregate concrete incorporat...IEI GSC
Presentation on Evaluation of durability properties of recycled aggregate concrete incorporating flyash and silica fume by Parth Patel, Guided by Dr Urmil Dave & Prof Tejas Joshi, Nirma University, Ahmedabad at #33NCCE 33rd National Convention of Civil Engineers at #IEIGSC
Experimental study on Use of Waste Glass as admixture in ConcreteIJSRD
Glass is utilized as a part of numerous structures in everyday life. It has restricted life and after use it is either stock heaped or sent to landfills. Since glass is non-biodegradable, landfills don't give a situation well-disposed arrangement. Thus, there is solid need to use waste glasses. Many efforts has already been made in concrete engineering as a partial replacement of cement or fine aggregate or coarse aggregate. In this experiment we use waste glass powder as a partial replacement of cement and a comparative study has been made with other admixture such as fly ash and silica fume. A series of test were conducted with partial replacement of glass by 15% and 30% to weight of cement where as we have used only 15% of partial replacement in case of fly ash and silica fume just to compare the results with glass at 15% and 30%. The present study demonstrates that waste glass, if ground finer than 100µm demonstrates a pozzolanic conduct. It responds with lime at early time phase of hydration forming extra CSH gel along these lines shaping denser bond matrix. The early utilization of alkalis by glass particles moderate alkali silica reaction consequently expands durability of cement.
Effectiveness of Use of Rice Husk Ash as Partial Replacement of Cement in Con...IJMER
India is a major rice producing country, and the husk generated during milling is mostly
used as a fuel in the boilers for processing paddy and producing energy through direct combustion.
About 21 million tones of Rice Husk Ash (RHA) is produced annually. This RHA is regarded as a waste
and has disposal problem because of the fact that it consumes a vast area for dumping. Lots of ways are
being thought of for disposing them by making commercial use of this RHA. RHA can be used as a
replacement for concrete (5 to 15%).This paper evaluates how different contents of Rice Husk Ash
added to concrete may influence its properties. In this study, cement was replaced by waste RHA as
5%,10% and 15% by weight for M-25 mix. The concrete specimens were tested for compressive
strength, durability (water absorption) and density at 28 days of age and the results obtained were
compared with those of normal concrete. The results concluded the permissibility of using waste RHA
as partial replacement of cement up to 10% by weight of cement
Experimental Investigation on the Concrete as a Partial Replacement of Fine a...IJSRD
This project work involves in an experimental study on the concrete by using stone dust and brick dust on the mechanical properties of the concrete. In this experimental study two types admixtures are used in preparation of concrete mix. Stone dust and brick dust are added from 0% to 25% by weight of fine aggregate with increment of 5%. A comparative analysis has been carried out for conventional concrete to that of the admixture concrete in relation to their compressive, split tensile and flexural strength properties. As the stone dust and brick dust content increases in cement concrete, the compressive and split tensile values are proportionally increasing. It is observed that at 20% of stone dust and brick dust is the optimum dosages for concrete mixture.
AN EXPERIMENTAL STUDY ON PROPERTIES OF TERNARY BLENDED CONCRETE USING GGBS AN...AM Publications
Ground granulated blast furnace slag (GGBS) is a by-product obtained from the blast furnaces used in the iron manufacturing industry. The disposal of the marble powder obtained from marble industry constitutes one of the environmental problems around the world. One of the possible solutions for the effective use of GGBS and marble powder is to partially replace cement in concrete. This paper presents the results of an experimental study on concrete in which the cement is partially replaced by both GGBS and marble powder. In this study, different percentages of GGBS and marble powder are used for partial replacement of cement by 30%. Tests conducted includes workability of fresh concrete (Slump test), strength of hardened concrete (Compressive strength, Split tensile strength and Flexural strength) and durability properties of concrete (Chloride resistance and Sulphate resistance).
Study on effect of Alccofine & Fly ash addition on the Mechanical properties ...ijsrd.com
This paper presents the results of an experimental investigation carried out for M-70 Grad Concrete and to evaluate the compressive strength and Flexural Strength of Concrete. High Performance Concrete is made by partial replacement of cement by alccofine, fly ash, silica fume. In this study the Class F fly ash used in various proportions 20 to 35%, alccofine 4 to 14% and silica fume 4% to 14% by weight of cement. The mix proportions of concrete had a water binder ratio for Alccofine mix concrete 0.30 and Silica-fume mix concrete 0.32.super plasticizer was added based on the required degree of workability. The total binder content was 600 kg/m3. The concrete specimens were cured on normal moist curing under normal atmospheric temperature. The compressive strength was determined at 7 , 28 , 56 days and flexural strength was determined at 28 and 56 days The results indicate the concrete made with these proportions generally show excellent fresh and hardened properties. The addition of Alccofine, silica fume shows early strength gaining property and that of fly ash shows a long term strength. The ternary system that is Portland cement-fly ash-Alccofine concrete was found to increase the compressive strength of concrete on all age when compared to concrete made with Portland cement-fly ash-silica fume.
Experimental Study On Rice Husk As Fine Aggregates In Concretetheijes
The International Journal of Engineering & Science is aimed at providing a platform for researchers, engineers, scientists, or educators to publish their original research results, to exchange new ideas, to disseminate information in innovative designs, engineering experiences and technological skills. It is also the Journal's objective to promote engineering and technology education. All papers submitted to the Journal will be blind peer-reviewed. Only original articles will be published.
Experimental Study on Use of Waste Marble Dust in ConcreteIJERA Editor
Concrete is the most important component used in the construction industry throughout the world, where the
fine aggregate is generally natural sand. The use of sand in construction activities results in the excessive
mining. Due to excessive mining, natural resources are getting exhausted, results in increase in scour depth and
sometimes flood possibility. Thus, it is becoming inevitable to use alternative material in concrete.Marble is one
of the important materials used in the construction industry. Marble powder is produced from processing plants
during the sawing and polishing of marble blocks and about 20 - 25% of the processed marble is turn into
powder form. Disposal of the marble powder material from the marble industry is one of the environmental
problems worldwide today.The present study is aimed at utilizing Waste marble powder construction industry
itself as fine aggregate in concrete, replacing natural sand. The replacement is done partially and fully in the
proportion 0%, 25%, 50% and 100% and its effect on properties of concrete were investigated.
Steel industry by products for sustainable constructionsManjunatha L.R
Dr.L.R.Manjunatha ,PhD ,A Sustainability Expert presents on who steel industry byproducts can be effectively utilized by using technologies and converted to valuable green products for the construction sector
Cement is the main construction material for making concrete. It provides good bonding between aggregates and also provides strength. But at the time of manufacturing, cement releases high amount of CO2. In order to reduce the environmental impact and to improve the property of concrete, Palm ash concrete are used. Palm ash concrete containing palm ash as partial substitute for cement. The replacement percentages are 10%, 20%, 30%. In these investigations, compressive strength and durability of palm ash concrete and normal concrete were found out. Results are tabulated and discussed. The properties of palm ash concrete are also compared with the conventional concrete. The palm ash concrete is very economical and also ecofriendly concrete
An Experimental Study on Rapid Chloride Penetration Test of Self Compacting C...ijtsrd
Self compacting concrete SCC is a very fluid concrete and a homogeneous mixture that solves most of the problems related to ordinary concrete. Self Compacting Concrete gets dense and compacted due to its own self weight. An experimental investigation has been carried out to determine different characters like filling ability, passing ability, segregation resistance workability and strength of Self Compacting Concrete SCC . And finally determining the chloride penetrability of SCC. Self Compacted Concrete is generally defined as the “Concrete, which does not need Compaction.†Due to these characteristics, SCC is ideally suited for concreting structures, which have heavily congested reinforcement or difficult access conditions. In this project, M40 grade concrete were made using European method. The compressive strength, split tension test obtained at the ages of 7, 14 and 28 days. Mr. R. Jeya Prakash | Ms. R. Nirmala ""An Experimental Study on Rapid Chloride Penetration Test of Self Compacting Concrete"" Published in International Journal of Trend in Scientific Research and Development (ijtsrd), ISSN: 2456-6470, Volume-3 | Issue-3 , April 2019, URL: https://www.ijtsrd.com/papers/ijtsrd21650.pdf
Paper URL: https://www.ijtsrd.com/engineering/civil-engineering/21650/an-experimental-study-on-rapid-chloride-penetration-test-of-self-compacting-concrete/mr-r-jeya-prakash
Geopolymer concrete is a type of concrete that is made by reacting aluminate and
silicate bearing materials with a caustic activator. Commonly, waste materials such as fly ash or
slag from iron and metal production are used, which helps lead to a cleaner environment. Since,
the current usage of fly ash in India is still around 25% and below 45% even in the developed
countries like United States, there is a huge scope for fly ash in upcoming years. So let us harness
a billion dollar resource that has been wasted so far.
Comparative study on compressive strength of normal mix andpradip patel
Fly ash which is also known as flue-ash, that the residues generated by burning waste materials, and containing the fine particles that produce with the flue gases. Ash which does not rise is termed bottom ash. In an industrial context, fly ash usually refers to ash produced during burning of coal. Fly ash is a waste product which is produced from thermal or coal based power plants. Use of fly ash in the concrete greatly improves many of its properties. Its use reduces hydration of heat, permeability and alkali aggregate reaction, improves workability, increased resistance to sulphate attack and corrosion thus making concrete mass more strong and durable. Besides these advantages, its use also reduces cost of concrete by using required quantity of cement. World over, in many of the developed countries, use of fly ash is one of the essential ingredient of durable concrete. Fly ash is generally captured by electrostatic precipitators or other particle filtration equipment before the flue gases reach the chimneys of coal-fired power plants and together with bottom ash removed from the bottom of the furnace is in this case jointly known as coal ash. Present study aim is to carryout work on lignite coal fly ash as partial replacement with cement. Prepare normal mix concrete and lignite coal fly ash concrete mix and compare compressive strength of cube and cylindrical mould after 3 days, 14 days and 28 days respectively
IMPACT OF MARBLE DUST ON CEMENT CONCRETE PROPERTIES SCPurohit
it is Innovative project persentation on MPACT OF MARBLE DUST ON CEMENT CONCRETE PROPERTIES (Civil Engineering) because cement which is important materail for concrete without cement concrete is useless but marble reduse the cost of cement and make it economic and reduse the cost of the project.
thank you
SCP
What website can I sell pi coins securely.DOT TECH
Currently there are no website or exchange that allow buying or selling of pi coins..
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How can I sell my pi coins?
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how to sell pi coins effectively (from 50 - 100k pi)DOT TECH
Anywhere in the world, including Africa, America, and Europe, you can sell Pi Network Coins online and receive cash through online payment options.
Pi has not yet been launched on any exchange because we are currently using the confined Mainnet. The planned launch date for Pi is June 28, 2026.
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If you are interested in selling your pi coins, i have a verified pi merchant, who buys pi coins and resell them to exchanges looking forward to hold till mainnet launch.
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how to sell pi coins in all Africa Countries.DOT TECH
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US Economic Outlook - Being Decided - M Capital Group August 2021.pdfpchutichetpong
The U.S. economy is continuing its impressive recovery from the COVID-19 pandemic and not slowing down despite re-occurring bumps. The U.S. savings rate reached its highest ever recorded level at 34% in April 2020 and Americans seem ready to spend. The sectors that had been hurt the most by the pandemic specifically reduced consumer spending, like retail, leisure, hospitality, and travel, are now experiencing massive growth in revenue and job openings.
Could this growth lead to a “Roaring Twenties”? As quickly as the U.S. economy contracted, experiencing a 9.1% drop in economic output relative to the business cycle in Q2 2020, the largest in recorded history, it has rebounded beyond expectations. This surprising growth seems to be fueled by the U.S. government’s aggressive fiscal and monetary policies, and an increase in consumer spending as mobility restrictions are lifted. Unemployment rates between June 2020 and June 2021 decreased by 5.2%, while the demand for labor is increasing, coupled with increasing wages to incentivize Americans to rejoin the labor force. Schools and businesses are expected to fully reopen soon. In parallel, vaccination rates across the country and the world continue to rise, with full vaccination rates of 50% and 14.8% respectively.
However, it is not completely smooth sailing from here. According to M Capital Group, the main risks that threaten the continued growth of the U.S. economy are inflation, unsettled trade relations, and another wave of Covid-19 mutations that could shut down the world again. Have we learned from the past year of COVID-19 and adapted our economy accordingly?
“In order for the U.S. economy to continue growing, whether there is another wave or not, the U.S. needs to focus on diversifying supply chains, supporting business investment, and maintaining consumer spending,” says Grace Feeley, a research analyst at M Capital Group.
While the economic indicators are positive, the risks are coming closer to manifesting and threatening such growth. The new variants spreading throughout the world, Delta, Lambda, and Gamma, are vaccine-resistant and muddy the predictions made about the economy and health of the country. These variants bring back the feeling of uncertainty that has wreaked havoc not only on the stock market but the mindset of people around the world. MCG provides unique insight on how to mitigate these risks to possibly ensure a bright economic future.
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how to sell pi coins on Bitmart crypto exchangeDOT TECH
Yes. Pi network coins can be exchanged but not on bitmart exchange. Because pi network is still in the enclosed mainnet. The only way pioneers are able to trade pi coins is by reselling the pi coins to pi verified merchants.
A verified merchant is someone who buys pi network coins and resell it to exchanges looking forward to hold till mainnet launch.
I will leave the telegram contact of my personal pi merchant to trade with.
@Pi_vendor_247
how to sell pi coins at high rate quickly.DOT TECH
Where can I sell my pi coins at a high rate.
Pi is not launched yet on any exchange. But one can easily sell his or her pi coins to investors who want to hold pi till mainnet launch.
This means crypto whales want to hold pi. And you can get a good rate for selling pi to them. I will leave the telegram contact of my personal pi vendor below.
A vendor is someone who buys from a miner and resell it to a holder or crypto whale.
Here is the telegram contact of my vendor:
@Pi_vendor_247
The secret way to sell pi coins effortlessly.DOT TECH
Well as we all know pi isn't launched yet. But you can still sell your pi coins effortlessly because some whales in China are interested in holding massive pi coins. And they are willing to pay good money for it. If you are interested in selling I will leave a contact for you. Just telegram this number below. I sold about 3000 pi coins to him and he paid me immediately.
Telegram: @Pi_vendor_247
Currently pi network is not tradable on binance or any other exchange because we are still in the enclosed mainnet.
Right now the only way to sell pi coins is by trading with a verified merchant.
What is a pi merchant?
A pi merchant is someone verified by pi network team and allowed to barter pi coins for goods and services.
Since pi network is not doing any pre-sale The only way exchanges like binance/huobi or crypto whales can get pi is by buying from miners. And a merchant stands in between the exchanges and the miners.
I will leave the telegram contact of my personal pi merchant. I and my friends has traded more than 6000pi coins successfully
Tele-gram
@Pi_vendor_247
how can I sell pi coins after successfully completing KYCDOT TECH
Pi coins is not launched yet in any exchange 💱 this means it's not swappable, the current pi displaying on coin market cap is the iou version of pi. And you can learn all about that on my previous post.
RIGHT NOW THE ONLY WAY you can sell pi coins is through verified pi merchants. A pi merchant is someone who buys pi coins and resell them to exchanges and crypto whales. Looking forward to hold massive quantities of pi coins before the mainnet launch.
This is because pi network is not doing any pre-sale or ico offerings, the only way to get my coins is from buying from miners. So a merchant facilitates the transactions between the miners and these exchanges holding pi.
I and my friends has sold more than 6000 pi coins successfully with this method. I will be happy to share the contact of my personal pi merchant. The one i trade with, if you have your own merchant you can trade with them. For those who are new.
Message: @Pi_vendor_247 on telegram.
I wouldn't advise you selling all percentage of the pi coins. Leave at least a before so its a win win during open mainnet. Have a nice day pioneers ♥️
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#pinetwork
The European Unemployment Puzzle: implications from population agingGRAPE
We study the link between the evolving age structure of the working population and unemployment. We build a large new Keynesian OLG model with a realistic age structure, labor market frictions, sticky prices, and aggregate shocks. Once calibrated to the European economy, we quantify the extent to which demographic changes over the last three decades have contributed to the decline of the unemployment rate. Our findings yield important implications for the future evolution of unemployment given the anticipated further aging of the working population in Europe. We also quantify the implications for optimal monetary policy: lowering inflation volatility becomes less costly in terms of GDP and unemployment volatility, which hints that optimal monetary policy may be more hawkish in an aging society. Finally, our results also propose a partial reversal of the European-US unemployment puzzle due to the fact that the share of young workers is expected to remain robust in the US.
how to sell pi coins in South Korea profitably.DOT TECH
Yes. You can sell your pi network coins in South Korea or any other country, by finding a verified pi merchant
What is a verified pi merchant?
Since pi network is not launched yet on any exchange, the only way you can sell pi coins is by selling to a verified pi merchant, and this is because pi network is not launched yet on any exchange and no pre-sale or ico offerings Is done on pi.
Since there is no pre-sale, the only way exchanges can get pi is by buying from miners. So a pi merchant facilitates these transactions by acting as a bridge for both transactions.
How can i find a pi vendor/merchant?
Well for those who haven't traded with a pi merchant or who don't already have one. I will leave the telegram id of my personal pi merchant who i trade pi with.
Tele gram: @Pi_vendor_247
#pi #sell #nigeria #pinetwork #picoins #sellpi #Nigerian #tradepi #pinetworkcoins #sellmypi
Municipal Solid Waste Incinerated(MSWI) Bottom Ash
1. Buddha Institute of Technology
DEPARTMENT OF CIVIL ENGINEERING
GORAKHPUR ( U.P. ) INDIA
PROJECT PRESENTATION
Presented By:- Gaurav Kumar Jaiswal In Guidance of:-
Ashish Kumar Mr. Anil Pratap Singh
Neha Singh (Assistant Professor)
Rajan Singh
2. Utilization of Municipal Solid Waste (MSW) Incinerated Bottom
Ash As Coarse aggregate in Concrete.
TITLE
CONTENTS
Introduction
Materials
Methodology
Conclusions
References
3. INTRODUCTION
Municipal Solid Waste (MSW)—More commonly known as trash or garbage—
consists of everyday items we use and then throw away, such as product
packaging, grass clippings, furniture, clothing, bottles, food scraps, newspapers,
appliances, paint, and batteries.
This comes from our homes, schools, hospitals, and businesses.
-- Per capita solid waste output 0.25-2.5 Kg/day
Municipal solid waste (MSW) is one of the major areas of concern all
over the world. In developing country like India, there is rapid increase in
municipal solid waste due to urbanization and population growth.
Composition of waste varies with different factors like living standard,
climatic condition, socio-economic factor etc.
7. SPECIFIC GRAVITY TEST
Calculated Specific gravity (Natural Aggregate) = 2.79
Specific gravity of bottom ash = 2.74
Theoretical Range = 2.5 to 3.0
SIEVE ANALYSIS
Fineness modulus (Natural Aggregate)= 7.43
Fineness modulus (Bottom Ash)= 7.64
Theoretical Range = 7 to 8
LOS ANGELES ABRASION TEST
Abrasion value(Natural Aggregate) = 16.76%
Abrasion value(Bottom Ash)= 21.63%
Theoretical Range = < (35%)
8. CRUSHING TESTCrushing Value(Natural Aggregate) = 18.57%
Crushing Value(Bottom Ash) = 22.83%
Theoretical Range = 15 to 30
WATER ABSORPTION TEST
Water Absorption(Natural Aggregate) = 0.294
Water Absorption(Bottom Ash) = 0.250
Theoretical Range < 0.6
AGGREGATE IMPACT TEST
Calculated Impact value(Natural Aggregate) = 9.1%
Calculated Impact Value(Bottom Ash) = 8.93%
11. SPECIFIC GRAVITY TEST
Calculated Specific Gravity = 2.54
Theoretical Range = 2.65
SIEVE ANALYSIS
Fineness Modulus = 2.83
Theoretical Range = 2 to 3.5
SILT CONTENT TEST
Silt content = 5.3%
Permissible Value = 6%
14. FINENESS TEST
Fineness = 6.5
Theoretical value = 10
SETTING TIME TEST
Initial setting time = 35 min
Final setting time = 285 min
Permissible Value:-
Min. = 30 min
Max. = 600 min
15. CONSISTENCY TEST
Standard Consistency = 26
Theoretical Range >32
Continued…
SPECIFIC GRAVITY TEST
Specific Gravity = 2.77
Theoretical Range = 2.9 to 3.15
17. M20 GRADE MIX DESIGN
Mix Calculation ( for Cubes)
1.Wet volume of concrete = 0.15m3
2.Dry volume of Aggregates = (1.54x0.15) = 0.231m3
3. W/C Ratio = 0.45
Total amount of cement (in kg) = 0.231x1/5.5x1440
= 60.48 kg
Total amount of sand (in kg) =0.231x1.5/5.5x1500
= 94.5kg
Total amount of course aggregates = 0.231x3/5.5x1500
= 189 kg
18. M20 GRADE MIX DESIGN
Coarse aggregate replaced by bottom ash aggregate =
1. As 10% of natural aggregates =189x10%=18.9kg
=189-18.9= 170kg (natural aggregates)
= 19kg (bottom ash aggregate)
2. As 20% of natural aggregates = 189x20%= 37.8kg
=189-37.8= 151.2kg (natural aggregates)
=38 kg ( bottom ash aggregate)
3. As 30% of natural aggregates = 189x30%= 56.7kg
=189-56.7= 132.3 kg (natural aggregate)
= 57 kg (bottom ash aggregate)
19. M20 GRADE MIX DESIGN
Amount of water used in the mix=
We have taken the water cement ratio = 0.45
Hence,
Formula =
W/C = weightof water /weight of cement
0.45= weight of water/61
weight of water =0.45x61
= 28 litre
20. M20 GRADE MIX DESIGN
Workability test of concrete=
1. Slump value test =
True slump =83mm
(Theoretical rang = 50mm to 100mm)
Compressive strength test (By CTM)=
1. Strength in (7 days) =
According to the formula =
Compressive strength =Load /Area
=600KN/22.5 mm2
=26.6KN/mm2
For M20 grade = 20x65/100
=13 KN/mm2‹26.6 (OK)
21. M20 GRADE MIX DESIGN
2. Strength at (28Days) =
for M20 grade =20x99/100
=20KN/mm2 ‹ 26.6KN/mm2 (hence safe)
22. M20 GRADE MIX DESIGN
•Mix of M20 grade concrete for SLAB which has been prepared in
LAB=
1. Wet volume of slab =(0.8x0.8x0.1016)m3
2. Dry volume of aggregate= 1.54x 0.065
=0.1m3
3. Amount of cement = 0.1x1/5.5x1440=26kg
4. Amount of Sand = 0.1x1.5/5.5x1500= 41kg
5.Amount of Coarse aggregate=0.1x3/5.5x1500
=82kg
(a)-Total amount of natural aggregates =66kg
(b)-Total amount of bottom ash aggregate replaced
by 20%= 17kg
6. Amount of water = 0.45x26=12litres
26. CONCLUSIONS
Based on the results of the characterization of differently treated MSWI bottom
ashes and tests on concretes containing the bottom ash as 2–32 mm coarse
aggregates, the following conclusions can be drawn.
As a result of their chemical-mineralogical composition, MSWI bottom ashes can, in
principle, be used as aggregate in concrete.
Normal strength concretes can easily be produced using MSWI bottom ash as
aggregate. Their properties are similar to those of concretes made with recycled
aggregates. However, only those concretes that were made with ash from the lye
treatment, with low aluminium content, remained free of damage.
The calculated of fineness modulus of BAA and WBAA are 4.93 and 3.65
respectively, which are more than 3.5 and it is considered very coarse. Both
aggregate is suitable to use in application of concrete or mortar in construction
activities.
27. REFERENCES
A 1991. DAfStb-Empfehlung. Prufung von Beton. Empfehlungen und Hinweise als Erganzung zu DIN
1048. Deutscher Ausschuss fu’ r Stahlbeton, Heft 422. Beuth, Berlin, 28–31.
A 1997. DAfStb-Richtlinie. Vorbeugende MaBnahmen gegen schadigende Alkalireaktion im Beton
(Alkali- Richtlinie). Deutscher Ausschuss fu’ r Stahlbeton. Beuth, Berlin.
A1998. DIN EN 1744–1. Tests for chemical properties of aggregates—Part 1: Chemical analysis. Beuth,
Berlin [in German].
A2000a. DIN EN 12350. Testing fresh concrete. Beuth, Berlin [in German].
A 2000b. DIN EN 12390–4. Testing hardened concrete— Part 4: Compressive strength — Specification
for testing machines. Beuth, Berlin [in German].
28. PUBLICATIONS
Gaurav Kumar Jaiswal1, Ashish Kumar2, Neha Singh3, Rajan Singh4, Anil Pratap
Singh5 (2020) “Use of Municipal Solid Waste Incinerator Bottom Ash as coarse
aggregate in concrete: A review” published in International Journal for Research and
Development (IJSRD-20).
