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Article
Publication date: 1 March 1993

FINITE ELEMENT MODELLING OF THE TENSILE STRAIN SOFTENING BEHAVIOUR OF PLAIN CONCRETE STRUCTURES

SUDIP S. BHATTACHARJEE and PIERRE LÉGER

The localized strain softening behaviour of concrete has been modelled by two approaches: (i) the stiffness degrading model based on the total stress‐strain constitutive…

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Abstract

The localized strain softening behaviour of concrete has been modelled by two approaches: (i) the stiffness degrading model based on the total stress‐strain constitutive relationship, and (ii) the tangent softening model based on the incremental stress‐strain relationship. The models are implemented using a new softening initiation criterion proposed for application in multi‐dimensional finite element analysis. Parametric analyses on plain concrete beams, tested experimentally by other researchers, have been carried out to investigate the required numerical efforts, the mesh objectivity, and the energy dissipation characteristics of the structures. The stiffness degrading model is very stable even when applied with relatively coarse finite element meshes. However, the computational demand of this model is relatively high. The combination of a total stress‐strain constitutive relationship to compute the element responses, and an incremental relationship to formulate the stiffness matrix, appears to be computationally efficient and stable, provided that adequately refined finite element mesh is used to model the structure.

Details

Engineering Computations, vol. 10 no. 3
Type: Research Article
DOI: https://doi.org/10.1108/eb023903
ISSN: 0264-4401

Keywords

  • Strain softening
  • Constitutive modelling
  • Fracture mechanics
  • Mesh sensitivity
  • Finite element
  • Plain concrete

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Book part
Publication date: 9 October 2006

ETHICAL EARNINGS MANAGEMENT TRAINING

John C. Anderson, Sudip Bhattacharjee and Kimberly K. Moreno

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Research on Professional Responsibility and Ethics in Accounting
Type: Book
DOI: https://doi.org/10.1016/S1574-0765(06)11004-3
ISBN: 978-0-76231-367-9

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Book part
Publication date: 9 October 2006

LIST OF CONTRIBUTORS

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Research on Professional Responsibility and Ethics in Accounting
Type: Book
DOI: https://doi.org/10.1108/S1574-0765(11)000001
ISBN: 978-0-76231-367-9

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Article
Publication date: 9 August 2011

Bridging digital divide in Bangladesh: study on community information centers

Anwarul Islam and Keita Tsuji

The purpose of this paper is to discuss different attempts that have been made to bridge the digital divide in Bangladesh, with special focus on the Community Information…

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Abstract

Purpose

The purpose of this paper is to discuss different attempts that have been made to bridge the digital divide in Bangladesh, with special focus on the Community Information Centers (CICs), which are playing a unique and innovative role in reducing the digital gap.

Design/methodology/approach

The paper is a case study and is based on a survey method for collecting information through telephone (outbound call center). Besides these, internet, personal visits (as a project member) and other secondary sources such as research reports, Grameenphone internal reports, articles are used.

Findings

This paper highlights the existing initiatives which are bridging the break to build digital Bangladesh and focuses on how CIC is bridging the divide.

Research limitations/implications

This study will usher a new era for its internal values and the findings can be used by the advisory committees. The outcome of this study may, however, empower policy makers to make a decision and it is suggested that discussion and further writings are needed to bridge the digital divide in Bangladesh.

Originality/value

This paper is one of the very few studies which focus on the prospects of Community Information Centers in Bangladesh, particularly breaking the digital discrimination between rural and urban areas.

Details

The Electronic Library, vol. 29 no. 4
Type: Research Article
DOI: https://doi.org/10.1108/02640471111156768
ISSN: 0264-0473

Keywords

  • Information centres
  • Digital Bangladesh
  • Internet
  • Digital divide
  • Rural areas

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