Shear strength behavior of geotextile/geomembrane interfaces

发布时间：2022-08-07 16:03

　　This paper aims to study the shear interaction mechanism of one of the critical geosynthetic interfaces,the geotextile/geomembrane,typically used for lined containment facilities such as landfills.A large direct shear machine is used to carry out 90 geosynthetic interface tests.The test results show a strain softening behavior with a very small dilatancy（<0.5 mm） and nonlinear failure envelopes at a normal stress range of 25-450 kPa.The influences of the micro-level structure of these geosynt... 

【文章页数】：8 页

【文章目录】：
1. Introduction
2. Experimental work
    2.1. Materials
    2.2. Testing equipment
    2.3. Test procedure
3.Constitutive model on geosynthetic interfaces
4. Direct shear test results
5. Influence of roughness characteristics of geomembranes on interface shear strength
    5.1. Effect of roughness patterns
    5.2. Effect of asperity height
6. Influence of fiber characteristics of geotextile on interface shear strength
    6.1. Effect of fiber length
    6.2. Effect of geotextile manufacture
7. Conclusions
Conflict of interest



本文编号：3670619