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Abhyuday Titiksh

Shri Shankaracharya College of Engineering & Technology, Department of Civil Engineering, Assistant Professor

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Abhyuday Titiksh completed his Bachelors in Civil Engineering (Honors) in 2013 and went ahead to pursue his Masters in Structural Engineering (Honors) from Bhilai Institute of Technology, Durg. He successfully completed his Masters in 2015. He holds a position of Assistant Professor in the Department of Civil Engineering, Shri Shankaracharya Group of Institutions, Bhilai since 2013 and has been an integral part of the Testing & Consultancy Cell of the institute.
He has multiple national and international publications to his name and is actively working on finding a suitable retrofitting strategy for structures (specially residential and low-rises) using base isolation. His other areas of interest include curtailment of shear walls, effects of irregularities on seismic response of structures, concrete admixtures and direct displacement based design. He is an active member of many professional societies which include SEFI, NICEE, ISRD, and ISEIS.
Phone: 9584892772
Address: Department of Civil Engineering, SSGI (FET), Shri Shankaracharya Technical Campus, Junwani, Bhilai, Chhattiagarh (India)

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Papers by Abhyuday Titiksh

COMPARATIVE STUDY FOR MITIGATING THE SOFT STOREY EFFECT IN MULTI STOREY BUILDINGS USING DIFFERENT STRUCTURAL ARRANGEMENTS

by Abhyuday Titiksh and Kiran Sreekumar

This paper focuses on studying the effects of soft storey configuration in the buildings and reme... more This paper focuses on studying the effects of soft storey configuration in the buildings and remedying it by using different structural arrangements, such as shear walls, diagonal steel bracing and cross steel bracings. The linear dynamic analysis (response spectrum analysis) has been adopted for various symmetrical buildings such as low rise (G+6), medium rise (G+14) and high rise (G+24). The responses of the models, in terms of storey drift, lateral displacement, storey shear, storey stiffness and bending moment variation are compared for different configurations and presented. It can be effectively concluded that the provision of shear walls can reduce the effects of soft storey to a much greater extend. Cross steel bracings also play an inevitable role in reducing the soft storey effect in the buildings. As the height of the building increases, the factors evaluated in this paper exert a major impact on the building's stability, thus necessitating the need for in depth study in this area.

Comparative Study of Conventional Steel Building and Pre- Engineered Building to be used as an Industrial Shed

The paper mainly focuses on the advantages of pre-engineered buildings over conventionally design... more The paper mainly focuses on the advantages of pre-engineered buildings over conventionally designed buildings. The different fields of comparison mainly constitute its cost effectiveness, time saving, future scope, subtleness and economy of pre-engineered buildings over conventionally engineered buildings and its importance in developing nations like India. It’s a case study for Industrial Shed based on the review and various case studies which shows their experimental and analytical studies carried out in this field. The result shows that these structures are economical, energy efficient and flexible in design.

2017-08 - AJCE - Effects of Irregularities on the Seismic response of a Medium rise structure.pdf

Structural engineers often come across buildings, which exhibit certain degrees of plan asymmetry... more Structural engineers often come across buildings, which exhibit certain degrees of plan asymmetry. It may in fact even exist in a nominally symmetric structure, because of the uncertainty in the distribution of floor loads, uncertainty in the evaluation of the centre of mass and centre of stiffness, inaccuracy in the measurement of dimensions of the structural elements, or lack of precise data on the material properties. The performance of asymmetric buildings under seismic excitation is very poor and its behaviour is highly complex when compared to that of regular buildings. This paper focuses on the seismic induced torsion in asymmetric RC buildings. Equivalent Lateral Force Method (ELF) is adopted as per IS:1893(Part-1)-2002 codal provisions to study the induced torsion. ETABS software package is used to carry all the static and dynamic analysis by keeping these models in different seismic zones from Zone II to Zone V. The discontinuities in a lateral force resistance path, such as vertical offsets, are also considered here. The main framework involved studying the effect of irregular distribution of mass, asymmetric distribution of stiffness and irregular plan configurations and comparing it with the seismic response of a regular structure. The results showed that Base shear and lateral displacement were increasing with increase in the seismic intensity from Zone II to Zone V. Also the Base shear for mass irregularity is found more compared to all other irregularities.

2017-06 - IJTRD - Seismic Behavioural Analysis of Fixed Base and Base Isolated Structures.pdf

The present work attempts to study the effectiveness of base isolation using lead rubber bearings... more The present work attempts to study the effectiveness of base isolation using lead rubber bearings (LRB) over conventional construction, using a case study of identical conventional and isolated building modelled in the most seismically active region in India (Zone V). The modeling procedure for both fixed base and base isolated building in finite element software, is carried out for a (G+8) storied building. The dimensions of LRB are calculated using a MATLAB code. The results of various parameters such as the variation in maximum storey displacement, maximum storey drift, lateral loads to stories, and storey overturning moment and storey shear of isolated building is studied. Using base isolation system at the base of a (G+8) storied building, it is found that the building was better protected, leading to the hypothesis that base isolation is an ideal technique for structures more than 6-7 storeys. It was observed that the variation in maximum displacement of stories in base isolated model is very low while compared with fixed base model. It
was also observed that storey overturning moment & storey shear are found to be reduced in base isolated building.

Fundamentals of Direct Displacement Based Design Procedure -A Brief Introduction

Although structures are designed to yield during the event of an earthquake, only the elastic par... more Although structures are designed to yield during the event of an earthquake, only the elastic part of the response is often analyzed due to the complexities in evaluating the inelastic part. In order to meet the noncollapse criterion, appropriate capacity design rules and reinforcement detailing are needed. This leads to a safe albeit a rather conservative design. Also, the real deformation of the structure (displacements) tends to be underestimated.
In this study, the importance of structural displacement during the design of structural and non-structural elements is evaluated and a fundamental description of the Direct Displacement Based Design (DDBD) procedure (as proposed by Priestley, 2007) is presented along with its advantages and limitations over the traditional Force Based Design (FBD) approach. The various performance levels are studied and accordingly a methodological explanation of the method is given for calculating the value of base shear.

2017-03 -ACE - Optimum Positioning of Shear Walls for Minimizing the Effects of Lateral Forces in Multistorey-Buildings.pdf

Shear walls are the most commonly used lateral load resisting systems in high rises. They have hi... more Shear walls are the most commonly used lateral load resisting systems in high rises. They have high plane stiffness and strength which can be used to simultaneously resist large horizontal loads while also supporting gravity loads. Hence it is necessary to determine effective and ideal locations of shear walls. Shear wall arrangement must be absolutely accurate, if not, it may cause negative effects instead. In this project, a study has been carried out to determine the effects of additions of shear walls and also the optimum structural configuration of multistory buildings by changing the shear wall locations radically. Four different cases of shear wall positions for G+10 storey buildings have been analyzed by computer application software ETABS. The framed structure was subjected to lateral and gravity loading in accordance with the Indian Standards provision and the results were analyzed to determine the optimum positioning of the shear walls.

2017-02 - IJCIET - Comparison of LabVIEW with SAP2000 and NONLIN for structural dynamics problems.pdf

Structural dynamics is a module of structural analysis that encapsulates the behavior of structur... more Structural dynamics is a module of structural analysis that encapsulates the behavior of structures subjected to dynamic loadings. The problems of structural dynamics can be categorized as SDOF, MDOF or Continuous systems. LabVIEW is simulating software possessing extensive graphical representation and data acquisition capabilities. It is of particular interest to the engineers working in the general area of structural health monitoring. The graphical user interface and the capability to acquire & process real time data makes it the ideal choice of programming language. In this study, an attempt has been made to develop a dynamic system using a SDOF model in LabVIEW. The results were compared with NONLIN program and SAP2000 software. Parametric study has been done using Newmark β method and the results were plotted for accelerations, velocities and displacements.

2017-01 - IJCTA -Effect of Curtailment of Shear Walls for Medium Rise Structures.pdf

Shear wall systems are one of the most commonly used lateral load resisting mechanisms employed i... more Shear wall systems are one of the most commonly used lateral load resisting mechanisms employed in medium rise and high rise buildings. The lateral load resistance of a dual system comprising of moment resisting frame (MRF) and shear wall is studied. Six different cases of shear wall curtailment are considered by terminating the shear walls at intermediate heights of a G+9 storey building. The models are subjected to lateral and gravity loadings in accordance with IS provision and Response Spectrum Analysis (RSA) is carried out. The main findings of this paper led us to conclude that contrary to the common belief, curtailment of the shear walls in the top floors is not necessarily detrimental to the performance of the structure. Also the optimum level of shear wall curtailment, as suggested by Nollet & Smith, 1993 and Atik et al, 2011 has been discussed.

2017-01 - Conference - SCESM - Effect of Curtailment of Shear Walls for Medium Rise Structures.pdf

Shear wall systems are one of the most commonly used lateral load resisting mechanisms employed i... more Shear wall systems are one of the most commonly used lateral load resisting mechanisms employed in medium rise and high rise buildings. The lateral load resistance of a dual system comprising of moment resisting frame (MRF) and shear wall is studied. Six different cases of shear wall curtailment are considered by terminating the shear walls at intermediate heights of a G+9 storey building. The models are subjected to lateral and gravity loadings in accordance with IS provision and Response Spectrum Analysis (RSA) is carried out. The main findings of this paper led us to conclude that contrary to the common belief, curtailment of the shear walls in the top floors is not necessarily detrimental to the performance of the structure. Also the optimum level of shear wall curtailment, as suggested by Nollet & Smith, 1993 and Atik et al, 2011 has been discussed.

2016-04 - IJTRD - Analysis of Self Compacting Concrete Using Hybrid Fibres.pdf

The project shows the comparison between the conventional concrete and SCFRC using hybrid fibre (... more The project shows the comparison between the conventional concrete and SCFRC using hybrid fibre (banana and sisal fibre). Concrete made with Portland cement has certain characteristics; concrete is relatively strong in compression but it is weak in tension. by the use of conventional rod reinforcement and to some extension by inclusion of a sufficient volume of certain fibre the weakness in tension can be overcome. Fibre Reinforced Concrete (FRC) is a composite material consisting of cement based matrix with an ordered distribution of fibre which can be steel, nylon, polyethylene etc. The self compacting property of the concrete helps in fresh state of concrete and properties in hardened state is enhanced by fibre. In the project hybrid banana and sisal fibre is used.

Evaluating the Performance of Hybrid Fiber Reinforced Concrete Dosed with Polyvinyl Alcohol

The current study analyzes the behavior of polyvinyl alcohol fiber reinforced concrete (PVA-FRC) ... more The current study analyzes the behavior of polyvinyl alcohol fiber reinforced concrete (PVA-FRC) containing short-length (6 mm) Banana fibers & Sisal fibers with varying fiber content. The mix was dosed with Poly vinyl Alcohol solution at 0.5% volumetric fraction. Fly ash is also used as a partial replacement of Portland cement in all the mixes. The structural performance of PVA-FRC mixes have been compared to control concrete (devoid of fibers and PVA) at 2 storage intervals: early-age (0–7 days) and short-term (0–28 days) intervals. The results of Compressive Strength, Flexural Strength, Slump Test and Compaction Factor are compared to give an idea about the performance of PVA-FRC. PVA-FRC mixes exhibited higher performance characteristics than control concrete. In addition, the addition of fibers exhibited higher mass loss, thereby potentially contributing to higher shrinkage.

2016-06 - IJTRD - Optimum Positioning of Shear Walls in Multistorey-Buildings.pdf

Shear wall systems are one of the most feasible and hence commonly commonly used lateral load res... more Shear wall systems are one of the most feasible and hence commonly commonly used lateral load resisting mechanism employed in high rise buildings. They have high plane stiffness and strength which can be utilized to simultaneously resist large horizontal loads and support gravity loads. Incorporation of shear walls has now become inevitable in multi-storey buildings so as to resist the lateral forces such as Seismic loads and Wind loads. Hence it is very necessary to determine the most effective location of shear walls. Shear wall arrangement must be absolutely accurate, because if not, it will cause negative effect instead. When the mass center and hardness center coincide with each other, the distance of shear wall from the mass center also plays an important role in the shear contribution of the shear wall. In this project, a study has been carried out to determine the optimum structural configuration of a multistory building by changing the shear wall locations radically. Four different cases of shear wall position for G+10 storey building with keeping zero eccentricity between mass center and hardness center have been analyzed and designed as a frame system by computer application software ETABS. The framed structure is subjected to lateral and gravity loading in accordance with IS provision and the results are analyzed to determine the optimum positioning of the Shear wall.

2015-05 - IJETR - A Comparative Study of the Various Structural Framing Systems Subjected To Seismic Loadings.pdf

The objective of this study is to investigate the seismic behavior of the structure having variou... more The objective of this study is to investigate the seismic behavior of the structure having various structural configurations like OMRCF (Ordinary Moment Resisting Concrete Frames), SMRCF (Special Moment Resisting Frames) and BSF (Braced Steel Frames). A comparative study of all the types of frames will shed light on the best suited frame to be adopted for seismic loads in Indian scenario. For this purpose, a G+4 building was designed for OMRCF, SMRCF and BSF framing configurations in Seismic Zone V according to Indian codes. Tests were carried out to evaluate their structural efficiencies in terms of storey drifts, Base shear, amount of reinforcement etc. Moment frames have been widely used for seismic resisting systems due to their superior deformation and energy dissipation capacities. A moment frame consists of beams and columns, which are rigidly connected. The components of a moment frame should resist both gravity and lateral load. Lateral forces are distributed according to the flexural rigidity of each component.

2016-04 - IJTRD - Gradation of Aggregates and its Effects on Properties of Concrete.pdf

Aggregate are the important constituent in concrete. They give body to concrete, reduce shrinkage... more Aggregate are the important constituent in concrete. They give body to concrete, reduce shrinkage and affect economy. Earlier, aggregate were considered chemically inert but now it has been recognized that some of the aggregate are chemically active and also certain aggregates exhibit chemical bond at the interface of aggregate and paste. The mere fact that they occupy 70-80% of volume of concrete, their impact on various characteristics of concrete is undoubtedly considerable along with its gradation. The depth of range of studies that are required to be made in respect of aggregate to understand their widely varying effect and influence on properties of concrete such as compressive strength, durability, workability, shrinkage, density etc. cannot be underrated. The emphasis is given on the gradation and type of aggregate which influence the properties effectively. The grading curves are studied in detail to know the behaviour of coarse as well fine aggregate as properties of concrete.

2015-04 - SSRG-IJCE - A Study of the Various Structural Framing Systems Subjected to Seismic Loads.pdf

The objective of this study is to investigate the seismic behavior of the structure having variou... more The objective of this study is to investigate the seismic behavior of the structure having various structural configurations like OMRCF (Ordinary Moment Resisting Concrete Frames), SMRCF (Special Moment Resisting Frames) and BSF (Braced Steel Frames). A comparative study of all the types of frames will shed light on the best suited frame to be adopted for seismic loads in Indian scenario. For this purpose, a G+4 building was designed for OMRCF, SMRCF and BSF framing configurations in Seismic Zone V according to Indian codes. Tests were carried out to evaluate their structural efficiencies in terms of storey drifts, Base shear, amount of reinforcement etc. Moment frames have been widely used for seismic resisting systems due to their superior deformation and energy dissipation capacities. A moment frame consists of beams and columns, which are rigidly connected. The components of a moment frame should resist both gravity and lateral load. Lateral forces are distributed according to the flexural rigidity of each component.

COMPARATIVE STUDY FOR MITIGATING THE SOFT STOREY EFFECT IN MULTI STOREY BUILDINGS USING DIFFERENT STRUCTURAL ARRANGEMENTS

by Abhyuday Titiksh and Kiran Sreekumar

This paper focuses on studying the effects of soft storey configuration in the buildings and reme... more This paper focuses on studying the effects of soft storey configuration in the buildings and remedying it by using different structural arrangements, such as shear walls, diagonal steel bracing and cross steel bracings. The linear dynamic analysis (response spectrum analysis) has been adopted for various symmetrical buildings such as low rise (G+6), medium rise (G+14) and high rise (G+24). The responses of the models, in terms of storey drift, lateral displacement, storey shear, storey stiffness and bending moment variation are compared for different configurations and presented. It can be effectively concluded that the provision of shear walls can reduce the effects of soft storey to a much greater extend. Cross steel bracings also play an inevitable role in reducing the soft storey effect in the buildings. As the height of the building increases, the factors evaluated in this paper exert a major impact on the building's stability, thus necessitating the need for in depth study in this area.

Comparative Study of Conventional Steel Building and Pre- Engineered Building to be used as an Industrial Shed

The paper mainly focuses on the advantages of pre-engineered buildings over conventionally design... more The paper mainly focuses on the advantages of pre-engineered buildings over conventionally designed buildings. The different fields of comparison mainly constitute its cost effectiveness, time saving, future scope, subtleness and economy of pre-engineered buildings over conventionally engineered buildings and its importance in developing nations like India. It’s a case study for Industrial Shed based on the review and various case studies which shows their experimental and analytical studies carried out in this field. The result shows that these structures are economical, energy efficient and flexible in design.

2017-08 - AJCE - Effects of Irregularities on the Seismic response of a Medium rise structure.pdf

Structural engineers often come across buildings, which exhibit certain degrees of plan asymmetry... more Structural engineers often come across buildings, which exhibit certain degrees of plan asymmetry. It may in fact even exist in a nominally symmetric structure, because of the uncertainty in the distribution of floor loads, uncertainty in the evaluation of the centre of mass and centre of stiffness, inaccuracy in the measurement of dimensions of the structural elements, or lack of precise data on the material properties. The performance of asymmetric buildings under seismic excitation is very poor and its behaviour is highly complex when compared to that of regular buildings. This paper focuses on the seismic induced torsion in asymmetric RC buildings. Equivalent Lateral Force Method (ELF) is adopted as per IS:1893(Part-1)-2002 codal provisions to study the induced torsion. ETABS software package is used to carry all the static and dynamic analysis by keeping these models in different seismic zones from Zone II to Zone V. The discontinuities in a lateral force resistance path, such as vertical offsets, are also considered here. The main framework involved studying the effect of irregular distribution of mass, asymmetric distribution of stiffness and irregular plan configurations and comparing it with the seismic response of a regular structure. The results showed that Base shear and lateral displacement were increasing with increase in the seismic intensity from Zone II to Zone V. Also the Base shear for mass irregularity is found more compared to all other irregularities.

2017-06 - IJTRD - Seismic Behavioural Analysis of Fixed Base and Base Isolated Structures.pdf

The present work attempts to study the effectiveness of base isolation using lead rubber bearings... more The present work attempts to study the effectiveness of base isolation using lead rubber bearings (LRB) over conventional construction, using a case study of identical conventional and isolated building modelled in the most seismically active region in India (Zone V). The modeling procedure for both fixed base and base isolated building in finite element software, is carried out for a (G+8) storied building. The dimensions of LRB are calculated using a MATLAB code. The results of various parameters such as the variation in maximum storey displacement, maximum storey drift, lateral loads to stories, and storey overturning moment and storey shear of isolated building is studied. Using base isolation system at the base of a (G+8) storied building, it is found that the building was better protected, leading to the hypothesis that base isolation is an ideal technique for structures more than 6-7 storeys. It was observed that the variation in maximum displacement of stories in base isolated model is very low while compared with fixed base model. It
was also observed that storey overturning moment & storey shear are found to be reduced in base isolated building.

Fundamentals of Direct Displacement Based Design Procedure -A Brief Introduction

Although structures are designed to yield during the event of an earthquake, only the elastic par... more Although structures are designed to yield during the event of an earthquake, only the elastic part of the response is often analyzed due to the complexities in evaluating the inelastic part. In order to meet the noncollapse criterion, appropriate capacity design rules and reinforcement detailing are needed. This leads to a safe albeit a rather conservative design. Also, the real deformation of the structure (displacements) tends to be underestimated.
In this study, the importance of structural displacement during the design of structural and non-structural elements is evaluated and a fundamental description of the Direct Displacement Based Design (DDBD) procedure (as proposed by Priestley, 2007) is presented along with its advantages and limitations over the traditional Force Based Design (FBD) approach. The various performance levels are studied and accordingly a methodological explanation of the method is given for calculating the value of base shear.

2017-03 -ACE - Optimum Positioning of Shear Walls for Minimizing the Effects of Lateral Forces in Multistorey-Buildings.pdf

Shear walls are the most commonly used lateral load resisting systems in high rises. They have hi... more Shear walls are the most commonly used lateral load resisting systems in high rises. They have high plane stiffness and strength which can be used to simultaneously resist large horizontal loads while also supporting gravity loads. Hence it is necessary to determine effective and ideal locations of shear walls. Shear wall arrangement must be absolutely accurate, if not, it may cause negative effects instead. In this project, a study has been carried out to determine the effects of additions of shear walls and also the optimum structural configuration of multistory buildings by changing the shear wall locations radically. Four different cases of shear wall positions for G+10 storey buildings have been analyzed by computer application software ETABS. The framed structure was subjected to lateral and gravity loading in accordance with the Indian Standards provision and the results were analyzed to determine the optimum positioning of the shear walls.

2017-02 - IJCIET - Comparison of LabVIEW with SAP2000 and NONLIN for structural dynamics problems.pdf

Structural dynamics is a module of structural analysis that encapsulates the behavior of structur... more Structural dynamics is a module of structural analysis that encapsulates the behavior of structures subjected to dynamic loadings. The problems of structural dynamics can be categorized as SDOF, MDOF or Continuous systems. LabVIEW is simulating software possessing extensive graphical representation and data acquisition capabilities. It is of particular interest to the engineers working in the general area of structural health monitoring. The graphical user interface and the capability to acquire & process real time data makes it the ideal choice of programming language. In this study, an attempt has been made to develop a dynamic system using a SDOF model in LabVIEW. The results were compared with NONLIN program and SAP2000 software. Parametric study has been done using Newmark β method and the results were plotted for accelerations, velocities and displacements.

2017-01 - IJCTA -Effect of Curtailment of Shear Walls for Medium Rise Structures.pdf

Shear wall systems are one of the most commonly used lateral load resisting mechanisms employed i... more Shear wall systems are one of the most commonly used lateral load resisting mechanisms employed in medium rise and high rise buildings. The lateral load resistance of a dual system comprising of moment resisting frame (MRF) and shear wall is studied. Six different cases of shear wall curtailment are considered by terminating the shear walls at intermediate heights of a G+9 storey building. The models are subjected to lateral and gravity loadings in accordance with IS provision and Response Spectrum Analysis (RSA) is carried out. The main findings of this paper led us to conclude that contrary to the common belief, curtailment of the shear walls in the top floors is not necessarily detrimental to the performance of the structure. Also the optimum level of shear wall curtailment, as suggested by Nollet & Smith, 1993 and Atik et al, 2011 has been discussed.

2017-01 - Conference - SCESM - Effect of Curtailment of Shear Walls for Medium Rise Structures.pdf

Shear wall systems are one of the most commonly used lateral load resisting mechanisms employed i... more Shear wall systems are one of the most commonly used lateral load resisting mechanisms employed in medium rise and high rise buildings. The lateral load resistance of a dual system comprising of moment resisting frame (MRF) and shear wall is studied. Six different cases of shear wall curtailment are considered by terminating the shear walls at intermediate heights of a G+9 storey building. The models are subjected to lateral and gravity loadings in accordance with IS provision and Response Spectrum Analysis (RSA) is carried out. The main findings of this paper led us to conclude that contrary to the common belief, curtailment of the shear walls in the top floors is not necessarily detrimental to the performance of the structure. Also the optimum level of shear wall curtailment, as suggested by Nollet & Smith, 1993 and Atik et al, 2011 has been discussed.

2016-04 - IJTRD - Analysis of Self Compacting Concrete Using Hybrid Fibres.pdf

The project shows the comparison between the conventional concrete and SCFRC using hybrid fibre (... more The project shows the comparison between the conventional concrete and SCFRC using hybrid fibre (banana and sisal fibre). Concrete made with Portland cement has certain characteristics; concrete is relatively strong in compression but it is weak in tension. by the use of conventional rod reinforcement and to some extension by inclusion of a sufficient volume of certain fibre the weakness in tension can be overcome. Fibre Reinforced Concrete (FRC) is a composite material consisting of cement based matrix with an ordered distribution of fibre which can be steel, nylon, polyethylene etc. The self compacting property of the concrete helps in fresh state of concrete and properties in hardened state is enhanced by fibre. In the project hybrid banana and sisal fibre is used.

Evaluating the Performance of Hybrid Fiber Reinforced Concrete Dosed with Polyvinyl Alcohol

The current study analyzes the behavior of polyvinyl alcohol fiber reinforced concrete (PVA-FRC) ... more The current study analyzes the behavior of polyvinyl alcohol fiber reinforced concrete (PVA-FRC) containing short-length (6 mm) Banana fibers & Sisal fibers with varying fiber content. The mix was dosed with Poly vinyl Alcohol solution at 0.5% volumetric fraction. Fly ash is also used as a partial replacement of Portland cement in all the mixes. The structural performance of PVA-FRC mixes have been compared to control concrete (devoid of fibers and PVA) at 2 storage intervals: early-age (0–7 days) and short-term (0–28 days) intervals. The results of Compressive Strength, Flexural Strength, Slump Test and Compaction Factor are compared to give an idea about the performance of PVA-FRC. PVA-FRC mixes exhibited higher performance characteristics than control concrete. In addition, the addition of fibers exhibited higher mass loss, thereby potentially contributing to higher shrinkage.

2016-06 - IJTRD - Optimum Positioning of Shear Walls in Multistorey-Buildings.pdf

Shear wall systems are one of the most feasible and hence commonly commonly used lateral load res... more Shear wall systems are one of the most feasible and hence commonly commonly used lateral load resisting mechanism employed in high rise buildings. They have high plane stiffness and strength which can be utilized to simultaneously resist large horizontal loads and support gravity loads. Incorporation of shear walls has now become inevitable in multi-storey buildings so as to resist the lateral forces such as Seismic loads and Wind loads. Hence it is very necessary to determine the most effective location of shear walls. Shear wall arrangement must be absolutely accurate, because if not, it will cause negative effect instead. When the mass center and hardness center coincide with each other, the distance of shear wall from the mass center also plays an important role in the shear contribution of the shear wall. In this project, a study has been carried out to determine the optimum structural configuration of a multistory building by changing the shear wall locations radically. Four different cases of shear wall position for G+10 storey building with keeping zero eccentricity between mass center and hardness center have been analyzed and designed as a frame system by computer application software ETABS. The framed structure is subjected to lateral and gravity loading in accordance with IS provision and the results are analyzed to determine the optimum positioning of the Shear wall.

2015-05 - IJETR - A Comparative Study of the Various Structural Framing Systems Subjected To Seismic Loadings.pdf

The objective of this study is to investigate the seismic behavior of the structure having variou... more The objective of this study is to investigate the seismic behavior of the structure having various structural configurations like OMRCF (Ordinary Moment Resisting Concrete Frames), SMRCF (Special Moment Resisting Frames) and BSF (Braced Steel Frames). A comparative study of all the types of frames will shed light on the best suited frame to be adopted for seismic loads in Indian scenario. For this purpose, a G+4 building was designed for OMRCF, SMRCF and BSF framing configurations in Seismic Zone V according to Indian codes. Tests were carried out to evaluate their structural efficiencies in terms of storey drifts, Base shear, amount of reinforcement etc. Moment frames have been widely used for seismic resisting systems due to their superior deformation and energy dissipation capacities. A moment frame consists of beams and columns, which are rigidly connected. The components of a moment frame should resist both gravity and lateral load. Lateral forces are distributed according to the flexural rigidity of each component.

2016-04 - IJTRD - Gradation of Aggregates and its Effects on Properties of Concrete.pdf

Aggregate are the important constituent in concrete. They give body to concrete, reduce shrinkage... more Aggregate are the important constituent in concrete. They give body to concrete, reduce shrinkage and affect economy. Earlier, aggregate were considered chemically inert but now it has been recognized that some of the aggregate are chemically active and also certain aggregates exhibit chemical bond at the interface of aggregate and paste. The mere fact that they occupy 70-80% of volume of concrete, their impact on various characteristics of concrete is undoubtedly considerable along with its gradation. The depth of range of studies that are required to be made in respect of aggregate to understand their widely varying effect and influence on properties of concrete such as compressive strength, durability, workability, shrinkage, density etc. cannot be underrated. The emphasis is given on the gradation and type of aggregate which influence the properties effectively. The grading curves are studied in detail to know the behaviour of coarse as well fine aggregate as properties of concrete.

2015-04 - SSRG-IJCE - A Study of the Various Structural Framing Systems Subjected to Seismic Loads.pdf

The objective of this study is to investigate the seismic behavior of the structure having variou... more The objective of this study is to investigate the seismic behavior of the structure having various structural configurations like OMRCF (Ordinary Moment Resisting Concrete Frames), SMRCF (Special Moment Resisting Frames) and BSF (Braced Steel Frames). A comparative study of all the types of frames will shed light on the best suited frame to be adopted for seismic loads in Indian scenario. For this purpose, a G+4 building was designed for OMRCF, SMRCF and BSF framing configurations in Seismic Zone V according to Indian codes. Tests were carried out to evaluate their structural efficiencies in terms of storey drifts, Base shear, amount of reinforcement etc. Moment frames have been widely used for seismic resisting systems due to their superior deformation and energy dissipation capacities. A moment frame consists of beams and columns, which are rigidly connected. The components of a moment frame should resist both gravity and lateral load. Lateral forces are distributed according to the flexural rigidity of each component.