In practice, it is very common to estimate the strength of concrete by destructive or by partial ... more In practice, it is very common to estimate the strength of concrete by destructive or by partial non-destructive testing on concrete. However, it is a very challenging task to estimate the correct value of the strength of concrete or cement as it is depending on various factors. The present research work is focussed on the impact of zinc oxide (ZnO) nano-particles on the compressive strength of the cement mortar. To investigate the modified compressive strength of the mortar incorporated with ZnO nano-particles, four different types of mixes were prepared with 0%, 0.25%, 0.5%, and 0.75% of the ZnO nanoparticle by the weight cement, respectively. Experimental results show the enhancement in compressive strength up to 0.5%, later on, strength is slightly decreased. By considering the experimental results of cement strength, three different models are proposed to predict the strength of cement mortar as analysis of covariance (ANCOVA), neural network (NN), and principal component regre...
This paper shows the results of an experimental work on concrete containing different parts of si... more This paper shows the results of an experimental work on concrete containing different parts of silica fume. Silica fume is a by-product of the silicon and ferrosilicon alloy production the main aim of this work is to find the optimum quantity of silica fume to reinstate cement in order to get better properties of hardened concrete. To accomplish the purpose, workability, compressive strength, flexure strength, split tensile of concrete containing silica fume were find after 7, 14 and 28 days of curing. Furthermore, judgment between normal concrete and modified concrete containing 5%, 10% and 15% of silica fume was studied. The water/binder ratio was kept constant at 0.45 throughout the mixing process. The outcomes of this investigation indicate that compressive strength and flexural strength gives the highest improvement of 10% and 15% silica fume replacement respectively. This paper can be a useful basis of information for other researchers to understand the profit and bad effects ...
This paper represents the work of comparison & graphical correlation between compressive strength... more This paper represents the work of comparison & graphical correlation between compressive strength of concrete by Non Destructive & Destructive testing.(This paper & its work limited to Rebound Hammer NDT test only). Concrete cubes of 150mm x 150mm x 150mm were prepared using concrete mix of grade 25N/mm 2 and cured for 7, 14 and 28days. A total of 27 cubes were made and used for the study. The graphical study done & develop the relation between compressive strength and rebound number. The Compressive strength and rebound number were taken as the dependent and independent variables. The results showed that the average error in measuring compressive strength for 7 days, 14 days, 28 days cubes by Rebound Hammer & by CTM is near about 2.01%, 1.37% & 0.99% respectively. As curing period is increases the percentage strength decrease in compressive strength is less by DT & NDT methods. For 28 days curing percentage decrease in strength is less as compare to 7 days percentage decrease in st...
Hot Mix Plant Filler material (HMPFM) is the unexploited product of asphalt plant having very fin... more Hot Mix Plant Filler material (HMPFM) is the unexploited product of asphalt plant having very fine size of particles. There is immense problem of disposal of this material. This HMPFM is also causes pollution problem as well as health problem to the workers of the plant. In current research work the HMPFM is replaced with Pozzolana Portland cement (PPC) and its mechanical properties were tested. During this research work it was found that the initial setting time of PPC with HMPFM is reduces by 16.67% than PPC without HMPFM, final setting time of PPC is reduces up to 57.86% than PPC without HMPFM. The soundness also reduces by 30% & compressive strength of PPC is increases by 15.22% than cement without HMPFM. HMPFM help to increases the early strength development of PPC
— This paper represents the results of an experimental work on some properties of M25 grade of co... more — This paper represents the results of an experimental work on some properties of M25 grade of concrete containing different levels of silica fume. Silica fume is an ultrafine powder collected as a by-product of the silicon and ferrosilicon alloy production. A certain percentage of silica fume as a cement replacement, can improve some properties of high-strength concrete such as compressive strength, flexural strength durability etc. The main objective of this study was to determine the optimum percentage of silica fume to replace cement in order to improve the properties of hardened high-strength concrete. To fulfill the objective, some properties of concrete containing silica fume were evaluated after 7, 14 and 28 days of immersed curing. Furthermore, comparison between regular concrete and silica fume concrete containing different levels of silica fume content (5%, 10% and 15%) was conducted. The water/binder ratio was kept constant at 0.43 throughout the mixing process. The results of this research work indicate that compressive strength and flexural strength exhibited the highest improvement with 5% and 10% silica fume replacement respectively. This paper can be a useful source of information for other researchers to understand the benefits and adverse effects of silica fume and have an overview of its optimum percentage when dealing with concrete.
This paper shows the results of an experimental work on concrete containing different parts of si... more This paper shows the results of an experimental work on concrete containing different parts of silica fume. Silica fume is a by-product of the silicon and ferrosilicon alloy production the main aim of this work is to find the optimum quantity of silica fume to reinstate cement in order to get better properties of hardened concrete. To accomplish the purpose, workability, compressive strength, flexure strength, split tensile of concrete containing silica fume were find after 7, 14 and 28 days of curing. Furthermore, judgment between normal concrete and modified concrete containing 5%, 10% and 15% of silica fume was studied. The water/binder ratio was kept constant at 0.45 throughout the mixing process. The outcomes of this investigation indicate that compressive strength and flexural strength gives the highest improvement of 10% and 15% silica fume replacement respectively. This paper can be a useful basis of information for other researchers to understand the profit and bad effects of silica fume and have a summary of its optimum percentage when dealing with concrete.
As there is a humongous increase in population, there is abundant waste, which is, being generate... more As there is a humongous increase in population, there is abundant waste, which is, being generated that causes adverse effect on the environment. Therefore, the need of the hour is to recycle the industrial waste for optimum disposal of waste and to conserve and replace the fast depleting current resources and materials. One of the way of doing so is by the use of fly ash, textile waste and glass fibres in manufacturing of bricks by replacing the parent material i.e., clay (a natural resource). These fly-ash bricks are almost two-third in weight of conventional burnt clay bricks and the compressive strength is quite high. Water absorption and efflorescence is quite low and other field test also indicate that fly-ash bricks are better alternative of brunt clay bricks. This paper represents the pioneering use solid waste in different proportions such as fly ash, glass-fibres and textile waste to increase the strength of the bricks. This paper also represents the test which are performed on the said bricks and also its results.
Concrete is a material which widely used in construction industry. The generation of plastic wast... more Concrete is a material which widely used in construction industry. The generation of plastic wastages is increasing day to day causing serious problems to the environment. In this research, the waste plastic particles are used in the concrete by partial replacement of fine aggregates in concrete. The main purpose of this study is to investigate the properties of concrete such as compressive, tensile as well as flexural strengths in the partial replacement of aggregate. The results indicate that the use of waste plastic particles in the concrete results the formations of light weight concrete. The properties such as compressive strength are reduced as well as tensile and flexural strength is increases with the addition of plastic in concrete.
The concrete is one of the most commonly used man made construction material. With ever increasin... more The concrete is one of the most commonly used man made construction material. With ever increasing infrastructure development, in developed as well as developing countries, the extent of concrete being produced and used is very high. This is leading to over exploitation of natural resources. There is an urgent need to search for an alternative to these natural resources. On other hand, disposal of waste generated from various industries is a cause of concern. Researches in the past reveal that, the most of these waste products can be utilized partly or fully in the concrete. The paper presents behavior of fresh and hardened concrete with partial replacement of natural sand by ceramic waste. The scope of study is limited to M20 grade of concrete. In fresh state only visual inspections and workability study is carried out and in hardened state compressive and split tensile strengths of concrete are studied. The results of experimental investigations indicate that the concrete produced with about 75% replacement of natural sand exhibits desirable behavior. From the study it can be concluded that the ceramic waste can be utilized as partial replacement to natural sand. This will not only solve the problem of scarcity of natural sand but it will help in reducing the environmental degradation as well.
This paper represents the work of comparison & graphical correlation between compressive strength... more This paper represents the work of comparison & graphical correlation between compressive strength of concrete by Non Destructive & Destructive testing.(This paper & its work limited to Rebound Hammer NDT test only). Concrete cubes of 150mm x 150mm x 150mm were prepared using concrete mix of grade 25N/mm 2 and cured for 7, 14 and 28days. A total of 27 cubes were made and used for the study. The graphical study done & develop the relation between compressive strength and rebound number. The Compressive strength and rebound number were taken as the dependent and independent variables. The results showed that the average error in measuring compressive strength for 7 days, 14 days, 28 days cubes by Rebound Hammer & by CTM is near about 2.01%, 1.37% & 0.99% respectively. As curing period is increases the percentage strength decrease in compressive strength is less by DT & NDT methods. For 28 days curing percentage decrease in strength is less as compare to 7 days percentage decrease in strength
In practice, it is very common to estimate the strength of concrete by destructive or by partial ... more In practice, it is very common to estimate the strength of concrete by destructive or by partial non-destructive testing on concrete. However, it is a very challenging task to estimate the correct value of the strength of concrete or cement as it is depending on various factors. The present research work is focussed on the impact of zinc oxide (ZnO) nano-particles on the compressive strength of the cement mortar. To investigate the modified compressive strength of the mortar incorporated with ZnO nano-particles, four different types of mixes were prepared with 0%, 0.25%, 0.5%, and 0.75% of the ZnO nanoparticle by the weight cement, respectively. Experimental results show the enhancement in compressive strength up to 0.5%, later on, strength is slightly decreased. By considering the experimental results of cement strength, three different models are proposed to predict the strength of cement mortar as analysis of covariance (ANCOVA), neural network (NN), and principal component regre...
This paper shows the results of an experimental work on concrete containing different parts of si... more This paper shows the results of an experimental work on concrete containing different parts of silica fume. Silica fume is a by-product of the silicon and ferrosilicon alloy production the main aim of this work is to find the optimum quantity of silica fume to reinstate cement in order to get better properties of hardened concrete. To accomplish the purpose, workability, compressive strength, flexure strength, split tensile of concrete containing silica fume were find after 7, 14 and 28 days of curing. Furthermore, judgment between normal concrete and modified concrete containing 5%, 10% and 15% of silica fume was studied. The water/binder ratio was kept constant at 0.45 throughout the mixing process. The outcomes of this investigation indicate that compressive strength and flexural strength gives the highest improvement of 10% and 15% silica fume replacement respectively. This paper can be a useful basis of information for other researchers to understand the profit and bad effects ...
This paper represents the work of comparison & graphical correlation between compressive strength... more This paper represents the work of comparison & graphical correlation between compressive strength of concrete by Non Destructive & Destructive testing.(This paper & its work limited to Rebound Hammer NDT test only). Concrete cubes of 150mm x 150mm x 150mm were prepared using concrete mix of grade 25N/mm 2 and cured for 7, 14 and 28days. A total of 27 cubes were made and used for the study. The graphical study done & develop the relation between compressive strength and rebound number. The Compressive strength and rebound number were taken as the dependent and independent variables. The results showed that the average error in measuring compressive strength for 7 days, 14 days, 28 days cubes by Rebound Hammer & by CTM is near about 2.01%, 1.37% & 0.99% respectively. As curing period is increases the percentage strength decrease in compressive strength is less by DT & NDT methods. For 28 days curing percentage decrease in strength is less as compare to 7 days percentage decrease in st...
Hot Mix Plant Filler material (HMPFM) is the unexploited product of asphalt plant having very fin... more Hot Mix Plant Filler material (HMPFM) is the unexploited product of asphalt plant having very fine size of particles. There is immense problem of disposal of this material. This HMPFM is also causes pollution problem as well as health problem to the workers of the plant. In current research work the HMPFM is replaced with Pozzolana Portland cement (PPC) and its mechanical properties were tested. During this research work it was found that the initial setting time of PPC with HMPFM is reduces by 16.67% than PPC without HMPFM, final setting time of PPC is reduces up to 57.86% than PPC without HMPFM. The soundness also reduces by 30% & compressive strength of PPC is increases by 15.22% than cement without HMPFM. HMPFM help to increases the early strength development of PPC
— This paper represents the results of an experimental work on some properties of M25 grade of co... more — This paper represents the results of an experimental work on some properties of M25 grade of concrete containing different levels of silica fume. Silica fume is an ultrafine powder collected as a by-product of the silicon and ferrosilicon alloy production. A certain percentage of silica fume as a cement replacement, can improve some properties of high-strength concrete such as compressive strength, flexural strength durability etc. The main objective of this study was to determine the optimum percentage of silica fume to replace cement in order to improve the properties of hardened high-strength concrete. To fulfill the objective, some properties of concrete containing silica fume were evaluated after 7, 14 and 28 days of immersed curing. Furthermore, comparison between regular concrete and silica fume concrete containing different levels of silica fume content (5%, 10% and 15%) was conducted. The water/binder ratio was kept constant at 0.43 throughout the mixing process. The results of this research work indicate that compressive strength and flexural strength exhibited the highest improvement with 5% and 10% silica fume replacement respectively. This paper can be a useful source of information for other researchers to understand the benefits and adverse effects of silica fume and have an overview of its optimum percentage when dealing with concrete.
This paper shows the results of an experimental work on concrete containing different parts of si... more This paper shows the results of an experimental work on concrete containing different parts of silica fume. Silica fume is a by-product of the silicon and ferrosilicon alloy production the main aim of this work is to find the optimum quantity of silica fume to reinstate cement in order to get better properties of hardened concrete. To accomplish the purpose, workability, compressive strength, flexure strength, split tensile of concrete containing silica fume were find after 7, 14 and 28 days of curing. Furthermore, judgment between normal concrete and modified concrete containing 5%, 10% and 15% of silica fume was studied. The water/binder ratio was kept constant at 0.45 throughout the mixing process. The outcomes of this investigation indicate that compressive strength and flexural strength gives the highest improvement of 10% and 15% silica fume replacement respectively. This paper can be a useful basis of information for other researchers to understand the profit and bad effects of silica fume and have a summary of its optimum percentage when dealing with concrete.
As there is a humongous increase in population, there is abundant waste, which is, being generate... more As there is a humongous increase in population, there is abundant waste, which is, being generated that causes adverse effect on the environment. Therefore, the need of the hour is to recycle the industrial waste for optimum disposal of waste and to conserve and replace the fast depleting current resources and materials. One of the way of doing so is by the use of fly ash, textile waste and glass fibres in manufacturing of bricks by replacing the parent material i.e., clay (a natural resource). These fly-ash bricks are almost two-third in weight of conventional burnt clay bricks and the compressive strength is quite high. Water absorption and efflorescence is quite low and other field test also indicate that fly-ash bricks are better alternative of brunt clay bricks. This paper represents the pioneering use solid waste in different proportions such as fly ash, glass-fibres and textile waste to increase the strength of the bricks. This paper also represents the test which are performed on the said bricks and also its results.
Concrete is a material which widely used in construction industry. The generation of plastic wast... more Concrete is a material which widely used in construction industry. The generation of plastic wastages is increasing day to day causing serious problems to the environment. In this research, the waste plastic particles are used in the concrete by partial replacement of fine aggregates in concrete. The main purpose of this study is to investigate the properties of concrete such as compressive, tensile as well as flexural strengths in the partial replacement of aggregate. The results indicate that the use of waste plastic particles in the concrete results the formations of light weight concrete. The properties such as compressive strength are reduced as well as tensile and flexural strength is increases with the addition of plastic in concrete.
The concrete is one of the most commonly used man made construction material. With ever increasin... more The concrete is one of the most commonly used man made construction material. With ever increasing infrastructure development, in developed as well as developing countries, the extent of concrete being produced and used is very high. This is leading to over exploitation of natural resources. There is an urgent need to search for an alternative to these natural resources. On other hand, disposal of waste generated from various industries is a cause of concern. Researches in the past reveal that, the most of these waste products can be utilized partly or fully in the concrete. The paper presents behavior of fresh and hardened concrete with partial replacement of natural sand by ceramic waste. The scope of study is limited to M20 grade of concrete. In fresh state only visual inspections and workability study is carried out and in hardened state compressive and split tensile strengths of concrete are studied. The results of experimental investigations indicate that the concrete produced with about 75% replacement of natural sand exhibits desirable behavior. From the study it can be concluded that the ceramic waste can be utilized as partial replacement to natural sand. This will not only solve the problem of scarcity of natural sand but it will help in reducing the environmental degradation as well.
This paper represents the work of comparison & graphical correlation between compressive strength... more This paper represents the work of comparison & graphical correlation between compressive strength of concrete by Non Destructive & Destructive testing.(This paper & its work limited to Rebound Hammer NDT test only). Concrete cubes of 150mm x 150mm x 150mm were prepared using concrete mix of grade 25N/mm 2 and cured for 7, 14 and 28days. A total of 27 cubes were made and used for the study. The graphical study done & develop the relation between compressive strength and rebound number. The Compressive strength and rebound number were taken as the dependent and independent variables. The results showed that the average error in measuring compressive strength for 7 days, 14 days, 28 days cubes by Rebound Hammer & by CTM is near about 2.01%, 1.37% & 0.99% respectively. As curing period is increases the percentage strength decrease in compressive strength is less by DT & NDT methods. For 28 days curing percentage decrease in strength is less as compare to 7 days percentage decrease in strength
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