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- Title
Mechanical Properties and Numerical Analyses of Basalt Fiber Crumb Rubber Mortars in Soft Rock Roadways.
- Authors
Qin, Jun-Ling; Qiao, Wei-Guo; Lin, Deng-Ge; Zhang, Shuai; Wang, Ji-Yao
- Abstract
The strength of crumb rubber mortars can be improved by the addition of basalt fibers. However, limited studies have been conducted on basalt fiber crumb rubber mortars (BF-CRM), and the constitutive model is still very immature. In this paper, uniaxial compressive stress-strain curves are obtained for several groups of BF-CRM specimens with different contents. By comparison with the GZH model, modified GZH parameters that can be used in a BF-CRM constitutive model are obtained. Then, taking the support scheme of the main substation of a mine as the background, FLAC3D is used to simulate the roadway support, BF-CRM replaces the ordinary mortars in the original support, and triaxial compression tests are performed at different confining pressures. In this way, the application of BF-CRM in roadway support is studied and analyzed.
- Subjects
CRUMB rubber; BASALT; NUMERICAL analysis; STRESS-strain curves; FIBERS; MORTAR
- Publication
Advances in Civil Engineering, 2019, p1
- ISSN
1687-8086
- Publication type
Article
- DOI
10.1155/2019/5159094