Study on fracture properties of self-compacting concrete using wedge splitting test

Title: Study on fracture properties of self-compacting concrete using wedge splitting test
Author(s): Y. Zhao
Paper category : conference
Book title: SCC'2005-China: 1st International Symposium on Design, Performance and Use of Self-Consolidating Concrete
Editor(s): Zhiwu Yu, Caijun Shi, Kamal Henri Khayat and Youjun Xie
Print-ISBN: 2-912143-61-6
e-ISBN: 2912143624
Publisher: RILEM Publications SARL
Publication year: 2005
Pages: 421 - 428
Total Pages: 8
Nb references: 12
Language: English

Abstract: This paper reports fracture behavior study on four types of self-compacting concrete with compressive strength ranging from 40MPa to 150MPa. Basic fracture properties investigated for each type of self-compacting concrete are: the fracture toughness KIc, the fracture energy GF, the critical crack length extension ac and brittle behavior. For achieving this aim, tests were conducted on wedge splitting specimens with initial notch length approximating 100mm. The results show that the fracture energy GF differs little for self-compacting concrete under consideration in the test, whereas the fracture toughness KIc increases with increasing compressive strength, which is the same as observed in conventional vibrated concrete. At the same time, with computed brittleness index it can be said for sure that as the self-compacting concrete raises its strength, it would fracture in a more brittle manner.

Online publication: 2005-04-11
Publication type : full_text
Public price (Euros): 0.00
doi: 10.1617/2912143624.044