Fracture behavior investigation of self-compacting rubberized concrete by DIC and mesoscale modeling

被引：18

作者：

Li, Xing ^{[1
]}

Ma, Fuheng ^{[1
]}

Chen, Xudong ^{[2
]}

Hu, Jiang ^{[1
]}

Wang, Jiaming ^{[3
]}

机构：

[1] Nanjing Hydraul Res Inst, State Key Lab Hydrol Water Resources & Hydraul Eng, Nanjing, Peoples R China

[2] Hohai Univ, Coll Civil & Transportat Engn, Nanjing 210098, Peoples R China

[3] Univ Sheffield, Dept Civil & Struct Engn, Sheffield, England

来源：

JOURNAL OF CLEANER PRODUCTION | 2023年 / 384卷

基金：

中国国家自然科学基金;

关键词：

Self -compacting rubberized concrete; Fracture property; Digital image correlation; Fracture process zone; Mesoscopic model; Numerical simulation; PLASTIC-DAMAGE MODEL; TENSILE; PARTICLES; AGGREGATE; FRESH;

D O I：

10.1016/j.jclepro.2022.135503

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The Digital Image Correlation technique recorded the process of self-compacting rubberized concrete (SCRC) under a pre-notched three-point bending beam. Load-crack opening displacement curves were measured, and the fracture process zone and crack opening displacement were comparatively analyzed to investigate the effect of rubber content and notch depth. The test results show that the incorporation of rubber increases the fracture toughness and fracture energy of the self-compacting concrete, and the increased amount is related to the incorporation amount of rubber. The fracture pattern of the specimen has also changed due to the incorporation of rubber. Finally, a mesoscopic model was proposed and verified by comparing the numerical simulation and test results.

引用

页数：15

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