期刊论文、会议论文

Li, Shirui

中文

混凝土

1002-3550

2019

281

8

32-36

3rd International Conference on Environmental and Energy Engineering (IC3E)

IOP Conference Series-Earth and Environmental Science

MAR 14-16, 2019

Shanghai, PEOPLES R CHINA

[Li, Shirui;Gan, Yuanchu;Ke, Guojun] Univ South China, Sch Civil Engn, Hengyang 421001, Peoples R China.

Int Soc Environm Informat Sci, Asia Pacific Inst Sci & Engn, Xiamen Univ Technol, Fujian Smart City Assoc

DIRAC HOUSE, TEMPLE BACK, BRISTOL BS1 6BE, ENGLAND

IOP PUBLISHING LTD

10.1088/1755-1315/281/1/012039

National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [51378247]; Hunan Provincial University Innovation Platform Open Fund Project [12K092]

本校为第一且通讯机构

通过直接拉伸的试验方法。研究了废玻璃粉掺量0、10%、20%的混凝土试件在五种不同加载速率下的破坏形态及破坏机理;并借鉴平行杆模型PBS,建立废玻璃粉混凝土单轴抗拉细观损伤模型,得到损伤关系和试验中的应力应变曲线非常相似,说明了混凝土单轴拉伸细观损伤模型是可以用于废玻璃粉混凝土中的;废玻璃粉混凝土极限抗拉强度随着加载速率的增加而提高,为研究动态抗拉强度与加载速率的关系,对加载速率与动态抗拉强度的影响进行线性回归拟合,得到动态抗拉强度增量与加载速率近似关系。

Test method by direct stretching. The failure modes and failure mechanisms of concrete specimens with 0%, 10% and 20% of waste glass powder at five different loading rates were studied. The uniaxial tensile view of waste glass powder concrete was established by using parallel-bar model PBS. The damage model is the modified parallel model, and the damage relationship is very similar to the stress-strain curve in the test. It shows that the concrete uniaxial tension meso-damage model can be used in this test. The ultimate tensile strength of waste glass powder concrete increases with the increas...