Crack growth in concrete using boundary elements

    • Saleh, Abd. Latif

著者

    • Saleh, Abd. Latif

書誌事項

Crack growth in concrete using boundary elements

Abd. Latif Saleh

(Topics in engineering, v.30)

Computational Mechanics, c1997

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注記

Includes bibliographical references

内容説明・目次

内容説明

This work presents the boundary element method used for the analysis of crack growth in concrete structures. The analysis is based on the dual boundary element method (DBEM) to represent cracks in concrete, and the fictitious crack model (FCM) to represent the fracture process zone in concrete. The FCM in conjunction with the DBEM allows the simulation of crack growth within concrete in a straight forward manner. The advantage of this method is that for every crack extension increment, no remeshing is required and the crack increment direction is computed.

目次

  • Chapter 1 - Introduction Cracking of concrete structures
  • Boundary element method
  • Aim and outline of contents. Chapter 2 - Concrete and the fracture of concrete Introduction
  • The behaviour of concrete under load
  • Linear elastic fracture mechanics (LEFM)
  • The fracture process of concrete
  • Fictitious crack model (FCM) Chapter 3 - The boundary element method Introduction
  • Historical background
  • Basic elasticity theory
  • The boundary integral formulation
  • Boundary element discretization
  • Rigid body considerations
  • Conclusions Chapter 4 - Crack analysis in plain concrete Introduction
  • An overview of crack modelling using BEM
  • The dual boundary element method
  • The numerical implementation of FCM
  • Calculation stresses at the crack tip
  • The numerical algorithm for crack growth
  • Method of solving the system of equations
  • Numerical examples
  • Conclusions Chapter 5 - Crack analysis in reinforced concrete Introduction
  • The behaviour of reinforced concrete under loads
  • Modelling of reinforcements
  • Development of the numerical model
  • The system of equations
  • Yielding of reinforcement
  • Analysis of the section
  • Numerical examples
  • Conclusions Chapter 6 - Contact problems in pull-out tests Introduction
  • The definition of a contact problem
  • Contact constraint
  • BEM solution for contact problems
  • Application of contact problems in a pull-out test
  • Contact and crack modelling in concrete
  • Boundary condition for FCM in contact problems
  • Numerical examples
  • Conclusions Chapter 7 - Discussions and conclusions Recommendations for future work References and bibliography Appendix A Bett's Reciprocal Theorem Appendex B Transformation of coordinates

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