Cardiff University | Prifysgol Caerdydd ORCA
Online Research @ Cardiff 
WelshClear Cookie - decide language by browser settings

Micro-mechanical damage and rough crack closure in cementitious composite materials

Jefferson, Anthony Duncan and Bennett, Terry 2007. Micro-mechanical damage and rough crack closure in cementitious composite materials. International jJournal for Numerical and Analytical Methods in Geomechanics 31 (2) , pp. 133-146. 10.1002/nag.551

Full text not available from this repository.

Abstract

A micro-mechanics based damage model is presented which uses the solution of an elastic body with penny-shaped cracks. The major new aspect of the work is the inclusion of a rough crack closure component in the model. The model uses a damage-surface, described in terms of transformed strain components. Inelastic strain components in each direction are computed by considering the total directional strains on an equivalent band of elastic material and then removing the elastic component. Details of the model implementation in a Mathcad sheet are given. The results from a series of single point simulations are given for uniaxial and biaxial tension and compression stress/strain paths. Each path is computed with the full model and with a damage only version of the model which does not simulate crack closure effects. It is shown that the incorporation of the rough contact component allows the model to reproduce dilatant post-peak behaviour in compression and to simulate, with reasonable accuracy, the shape of the biaxial strength envelope for cementitious composite materials.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Uncontrolled Keywords: Micro-mechanics ; Damage ; Constitutive
Publisher: Wiley
ISSN: 10969853
Last Modified: 04 Jun 2017 01:43
URI: http://orca.cf.ac.uk/id/eprint/2002

Citation Data

Cited 13 times in Google Scholar. View in Google Scholar

Cited 20 times in Scopus. View in Scopus. Powered By Scopus® Data

Actions (repository staff only)

Edit Item Edit Item