Critical parameters for the compressive strength of high-strength concrete

被引:19
作者
Hoang Thanh Nam Le [1 ]
Poh, Leong Hien [1 ]
Wang, Shasha [1 ]
Zhang, Min-Hong [1 ]
机构
[1] Natl Univ Singapore, Dept Civil & Environm Engn, 1 Engn Dr 2, Singapore 117576, Singapore
关键词
Compressive strength; High-strength concrete; Lateral strain capacity; Plasticity-damage model; MECHANICAL-PROPERTIES; CRACK-PROPAGATION; AGGREGATE TYPE; FRACTURE; SIZE; COMPOSITES; SIMULATION; RESISTANCE; STRAIN; DAMAGE;
D O I
10.1016/j.cemconcomp.2017.06.008
中图分类号
TU [建筑科学];
学科分类号
0813 ;
摘要
This study investigates the influence of several material properties underlying the failure mechanism of high-strength concrete (HSC) under uniaxial compression. An experimental-numerical characterization of a single inclusion block (SIB) - an idealized composite comprising of a granite cylindrical core embedded within a high-strength mortar (HSM) matrix is first carried out. Parametric studies are next conducted with the calibrated SIB model, to identify the critical parameters governing the failure of the idealized composite. The qualitative understanding obtained from the SIB is then utilized to design a series of experiments, exploring the extent of influence of the identified critical parameters on the compressive strength of HSC. Complementary experimental data in literature are also examined. For the range of specimens considered, it is found that the lateral strain capacity of mortar matrix has the most influence on the compressive strength of HSC. (C) 2017 Elsevier Ltd. All rights reserved.
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页码:202 / 216
页数:15
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