Effects of loading history on fracture properties of concrete

Akutagawa S., Jeang F.L., Hawkins N.M., Liaw B.M., Du Jiaji and Kobayashi A.S. (1991) Effects of loading history on fracture properties of concrete. ACI Materials Journal, 88 2: 170-180.

Author Akutagawa S.
Jeang F.L.
Hawkins N.M.
Liaw B.M.
Du Jiaji
Kobayashi A.S.
Title Effects of loading history on fracture properties of concrete
Journal name ACI Materials Journal   Check publisher's open access policy
ISSN 0889-325X
Publication date 1991-01-01
Sub-type Article (original research)
Volume 88
Issue 2
Start page 170
End page 180
Total pages 11
Language eng
Subject 2215 Building and Construction
2500 Materials Science
Abstract A static fracture process zone (FPZ) model, which describes the nonlinear relationship between the crack-closure stress and the coexisting crack-opening displacement, was used to predict the effects of sustained and cyclic loading on crack propagation and fracture for concrete in tension. This study found that when plain concrete was subjected to an incremental tensile displacement loading, microcracks continued to grow for more than 1 hr after that increment was first applied. Such a process of slow damage accumulation is the cause of increases in deformation and crack length for concrete in the tensile zone of specimens subject to cyclic or sustained loadings. This conclusion is consistent with the results for previous studies on concrete fracture under compressive loading.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import
 
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Created: Tue, 28 Jun 2016, 12:10:52 EST by System User