Study on Mechanical Properties of the Basalt Fiber-Rubber Granular Concrete under Triaxial Stress Condition and Its Application
文献类型：期刊论文
| 作者 | Wu, Duohua2,3; Li, Zhiwen2,3; Li, Juli1; Peng, Bo2,3; Shen, Hui2,3 |
| 刊名 | APPLIED SCIENCES-BASEL
 |
| 出版日期 | 2020-12-01 |
| 卷号 | 10期号:23页码:18 |
| 关键词 | soft rock roadways failure features basalt fiber rubber granular compression tests strain-softening |
| DOI | 10.3390/app10238540 |
| 英文摘要 | To reduce the failure probability of rigid supporting structures caused by large deformation of deeply buried high-stress soft rock roadways, the mechanical properties and failure features of basalt fiber-rubber granular concrete (BFRGC) are investigated based on triaxial compression tests. The post-peak strain softening equations of BFRGC, based on the Mohr-Coulomb yield criterion, are deduced and then compiled in the finite-difference software (FLAC3D) to simulate the post-peak strain-softening process of BFRGC. Combined with practical engineering, the supporting effects of BFRGC with different proportions are evaluated by FLAC3D. The results of compression tests show that the yield strength of the BFRGC increases significantly when the mass percentage of basalt fiber is 0.4%. Moreover, mixing basalt fibers into both the plain concrete and rubber concrete can effectively restrain the development of the fractures under three-dimensional stress. The numerical results show that when the mass fractions of basalt fibers and rubber particles are 0.4% and 5-10%, respectively, both the plastic zone in the surrounding rocks and the deformation of the rigid supporting structures decrease obviously. It is indicated that the optimal ratio of BFRGC can effectively reduce the stress concentration around the roadway and improve the overall bearing capacity of the supporting structures. |
| WOS研究方向 | Chemistry ; Engineering ; Materials Science ; Physics |
| 语种 | 英语 |
| 出版者 | MDPI |
| WOS记录号 | WOS:000597733400001 |
| 源URL | [http://119.78.100.198/handle/2S6PX9GI/25290]  |
| 专题 | 中科院武汉岩土力学所 |
| 通讯作者 | Wu, Duohua |
| 作者单位 | 1.Shandong Transport Vocat Coll, Dept Traff Engn, Tai An 271000, Shandong, Peoples R China 2.Chinese Acad Sci, Inst Rock & Soil Mech, State Key Lab Geomech & Geotech Engn, Wuhan 430071, Hubei, Peoples R China 3.Univ Chinese Acad Sci, Geotech Engn, Beijing 100049, Peoples R China |
| 推荐引用方式 GB/T 7714 | Wu, Duohua,Li, Zhiwen,Li, Juli,et al. Study on Mechanical Properties of the Basalt Fiber-Rubber Granular Concrete under Triaxial Stress Condition and Its Application[J]. APPLIED SCIENCES-BASEL,2020,10(23):18. |
| APA | Wu, Duohua,Li, Zhiwen,Li, Juli,Peng, Bo,&Shen, Hui.(2020).Study on Mechanical Properties of the Basalt Fiber-Rubber Granular Concrete under Triaxial Stress Condition and Its Application.APPLIED SCIENCES-BASEL,10(23),18. |
| MLA | Wu, Duohua,et al."Study on Mechanical Properties of the Basalt Fiber-Rubber Granular Concrete under Triaxial Stress Condition and Its Application".APPLIED SCIENCES-BASEL 10.23(2020):18. |
入库方式： OAI收割
来源：武汉岩土力学研究所
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