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A model for cementitious composite materials based on micro-mechanical solutions and damage-contact theory

Jefferson, Anthony Duncan and Bennett, T. 2010. A model for cementitious composite materials based on micro-mechanical solutions and damage-contact theory. Computers & Structures 88 (23-24) , pp. 1361-1366. 10.1016/j.compstruc.2008.09.006

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Abstract

A model for simulating micro-cracking in cementitious composite materials is presented. The model employs micro-mechanical solutions of a material with a matrix phase, spherical inclusions and penny-shaped cracks as well as a rough crack contact component. The model follows from that of Reference [Jefferson AD, Bennett T. Micro-mechanical damage and rough crack closure in cementitious composite materials. Int J Numer Anal Methods Geomech 2007;31:133–46], but now a two phase composite is used in place of a homogenous material and the matrix stresses are employed in the evaluation of the micro-cracking. Single point compression and tension strain path examples show that the new formulation improves the accuracy of the model when judged against material data from concrete and mortar specimens.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
T Technology > TH Building construction
Uncontrolled Keywords: Micro-mechanics; Damage; Cementitious composite; Constitutive; Concrete
Publisher: Elsevier
ISSN: 1879-2243
Last Modified: 04 Jun 2017 02:03
URI: http://orca.cf.ac.uk/id/eprint/8265

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