Study on the shear resistance of basalt fiber to mantle

2019 2nd International Conference of Green Buildings and Environmental Management

生态环境科学

Jian, Gu^1 ; Yang, Liu^1 ; Jiajie, Han^1 ; Yuying, Wang^1

School of Civil Engineering and Architecture, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu

212000, China^1

关键词: Cohesive force;    Direct shear test;    Internal friction angle;    Landslide hazard;    Middle and lower reaches of the yangtze rivers;    Sedimentary soils;    Shear performance;    Shear resistances;   

Others  :  https://iopscience.iop.org/article/10.1088/1755-1315/310/4/042018/pdf
DOI  :  10.1088/1755-1315/310/4/042018

学科分类：环境科学（综合）

来源: IOP

【 摘 要 】

Xia-shu soil, which is a kind of wind-dust sedimentary soil in China, mainly distributed in the middle and lower reaches of the Yangtze River in China. Zhenjiang is a city with frequent landslide hazards. In order to improve the stability of the Xia-shu soil slope of Zhenjiang area, the idea of using basalt fiber to improve the Xia-shu soil is proposed to enhance the shear performance of the Xia-shu soil. In the test scheme, 0.1%∼0.6% basalt fiber was blended into the Xia-shu soil, and the modified Xia-shu soil was subjected to direct shear test to obtain the shear strength of the Xia-shu soil, and then the cohesive force of the Xia-shu soil was obtained. Furthermore, the relationship between the cohesive force c and the internal friction angle φ of the Xia-shu soil and the basalt fiber content is obtained. The results show that with the increase of basalt fiber content in the Xia-shu soil, the cohesive force c of the Xia-shu soil is obviously improved, and the internal friction angle remains basically unchanged.