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eBook Concrete Fracture Models and Applications ePub

by Shailendra Kumar,Sudhirkumar V Barai

eBook Concrete Fracture Models and Applications ePub
Author: Shailendra Kumar,Sudhirkumar V Barai
Language: English
ISBN: 3642167632
ISBN13: 978-3642167638
Publisher: Springer; 2011 edition (February 14, 2011)
Pages: 262
Category: Home Improvement & Design
Subcategory: Crafts
Rating: 4.5
Votes: 925
Formats: lrf azw txt lit
ePub file: 1156 kb
Fb2 file: 1638 kb

Authors: Kumar, Shailendra, Barai, Sudhirkumar . Bibliographic Information. Concrete Fracture Models and Applications.

Covers all important concrete fracture models with numerical examples. Sudhirkumar V Barai is a Professor in the Department of Civil Engineering, Indian Institute of Technology, Kharagpur, India. In 1995, he obtained P. (En. from Indian Institute of Science, Bangalore, India. He received the degrees of . Civil) with specialization in Structural Engineering in 1987 and 1989, respectively, from the Faculty of Engineering, MS University of Baroda, Baroda, India.

Shailendra Kumar Sudhirkumar V. Barai. Shailendra Kumar Sudhirkumar V. 1 Introduction to Fracture Mechanics of Concrete . General .

Shailendra Kumar Sudhirkumar V Barai Concrete Fracture Models and Applications. ark:/13960/t5hb0rz6t.

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Concrete fracture models and applications. Springer Science & Business Media, 2011. Neural network models for air quality prediction: a comparative study. SV Barai, AK Dikshit, S Sharma.

from book Concrete Fracture Models and Applications (p. -8). Sudhirkumar V. Introduction to Fracture Mechanics of Concrete. Chapter · December 2011 with 12 Reads. Cite this publication. Double-G fracture model, a new analytical model describing fracture behaviour on cracked concrete, was recently proposed by Xu and Zhao based on the conception of energy release rate. This model couples the Griffith brittle fracture theory with the bridging softening property of concrete, and it is an extension of double-K fracture model proposed by Xu and Reinhardt.

by Shailendra Kumar, Sudhirkumar V Barai. The book presents a basic introduction on the various nonlinear concrete fracture models considering the respective fracture parameters. 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.

Sudhirkumar V. The fracture properties of four types of concrete prepared using natural coarse aggregate and recycled coarse aggregate and conventional and particle packing method (PPM) of mix design approaches are studied. The paper presents the applications of fictitious crack model and double-K fracture model, to determine the fracture parameters for crack propagation in recycled aggregate concrete with varying content of recycled concrete coarse aggregate.

Concrete Fracture Mode.

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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