Research on the Fracture Grouting Mechanism and PFC Numerical Simulation in Loess

被引：11
|
作者：
Zhang, Zhenlong [1 ]
Shao, Zhushan [1 ]
Fang, Xiaobo [1 ]
Lian, Xijun [2 ]
机构：
[1] Xian Univ Architecture & Technol, Sch Civil Engn, Xian 710055, Shaanxi, Peoples R China
[2] China Railway First Grp Co Ltd, Xian 710054, Shaanxi, Peoples R China
来源：
ADVANCES IN MATERIALS SCIENCE AND ENGINEERING | 2018年 / 2018卷
关键词：
MODEL;
D O I：
10.1155/2018/4784762
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
According to the model test of fracture grouting in loess, the grout changes with the pressure variation, which can be divided into three stages, foundation, expansion and fracturing, and diffusion, and ultimately splits into "Y" shaped grout fractures. Using PFC 2D particle flow software simulates the slurry diffusion process on loess, and the results of the simulation display the same "Y" shaped slurry vein with the experiment, which has a certain reference value for fracture grouting in loess.
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页数：7
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