Sudhirkumar V. Barai's Books

Systematic Approach of Characterisation and Behaviour of Recycled Aggregate Concrete

By: M. Chakradhara Rao,Sriman Kumar Bhattacharyya,Sudhirkumar V. Barai

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Systematic Approach of Characterisation and Behaviour of Recycled Aggregate Concrete

By: M. Chakradhara Rao,Sriman Kumar Bhattacharyya,Sudhirkumar V. Barai

This book focuses on the utilisation of construction waste material as coarse aggregate in making concrete. It discusses in detail the behaviour of recycled aggregate under impact load along with other structural applications, and explains the various quality-improvement techniques for recycled aggregate and recycled aggregate concrete (RAC). The first chapter describes the importance of recycling construction and demolition waste and the status quo of global construction and demolition waste recycling. The second chapter examines the recycled aggregate production methodology. Subsequent chapters address the physical and mechanical characteristics and different research findings, as well as the engineering properties of recycled aggregate concrete. Further, the interrelationships among the mechanical properties of recycled aggregate concrete are discussed. The book also explores long-term properties like shrinkage and creep, durability properties, and microstructural characterisation. It will serve as a valuable resource for researchers and professionals alike.

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Page Count

349

Publisher

Springer

Published Date

ISBN 10

9811066868

ISBN 13

9789811066863

Shear Strengthening of T-beam with GFRP

A Systematic Approach

By: Kishor Chandra Panda,Sudhirkumar V. Barai,Sriman Kumar Bhattacharyya

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Shear Strengthening of T-beam with GFRP

A Systematic Approach

By: Kishor Chandra Panda,Sudhirkumar V. Barai,Sriman Kumar Bhattacharyya

This book presents a systematic approach to the experimental, theoretical, and numerical investigation of reinforced concrete (RC) T-beams strengthened in shear with glass-fibre-reinforced polymers (GFRP) with variation in transverse steel reinforcements. It discusses experiments conducted on simply supported RC T-beams for control beams with and without transverse steel reinforcements and beams strengthened in shear with GFRP sheets and strips in different configurations, orientations, and variation of layers for each type of stirrup spacing. The book also includes a detailed numerical study using ANSYS performed in two stages. The first stage consists of selecting and testing relevant materials in the laboratory to establish the physical and mechanical properties of the materials. The second stage then involves testing beams for shear under two-point static loading systems. The test results demonstrate the advantage of using an externally applied, epoxy-bonded GFRP sheets and strips to increase the shear capacity of the beams. The finite element method (FEM) analysis results verify the experimental results. The book will serve as a valuable resource for researchers and practicing civil engineers alike.

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Page Count

205

Publisher

Springer

Published Date

ISBN 10

9811077606

ISBN 13

9789811077609

Concrete Fracture Models and Applications

By: Shailendra Kumar,Sudhirkumar V Barai

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Concrete Fracture Models and Applications

By: Shailendra Kumar,Sudhirkumar V Barai

Cementitious materials, rocks and fibre-reinforced composites commonly termed as quasibrittle, need a different fracture mechanics approach to model the crack propagation study because of the presence of significant size of fracture process zone ahead of the crack-tip. Recent studies show that concrete structures manifest three important stages in fracture process: crack initiation, stable crack propagation and unstable fracture or failure. Fracture Mechanics concept can better explain the above various stages including the concepts of ductility, size-effect, strain softening and post-cracking behavior of concrete and concrete structures. The book presents a basic introduction on the various nonlinear concrete fracture models considering the respective fracture parameters. To this end, a thorough state-of-the-art review on various aspects of the material behavior and development of different concrete fracture models is presented. The development of cohesive crack model for standard test geometries using commonly used softening functions is shown and extensive studies on the behavior of cohesive crack fracture parameters are also carried out. The subsequent chapter contains the extensive study on the double-K and double-G fracture parameters in which some recent developments on the related fracture parameters are illustrated including introduction of weight function method to Double-K Fracture Model and formulization of size-effect behavior of the double-K fracture parameters. The application of weight function approach for determining of the KR-curve associated with cohesive stress distribution in the fracture process zone is also presented. Available test data are used to validate the new approach. Further, effect of specimen geometry, loading condition, size-effect and softening function on various fracture parameters is investigated. Towards the end, a comparative study between different fracture parameters obtained from various models is presented.

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Page Count

279

Publisher

Springer Science & Business Media

Published Date

ISBN 10

3642167640

ISBN 13

9783642167645

Book's by Sudhirkumar V. Barai

Systematic Approach of Characterisation and Behaviour of Recycled Aggregate Concrete

Systematic Approach of Characterisation and Behaviour of Recycled Aggregate Concrete

Shear Strengthening of T-beam with GFRP

Shear Strengthening of T-beam with GFRP

Concrete Fracture Models and Applications

Concrete Fracture Models and Applications

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