| Stability analysis of water-filled dump slope under the couple effect of seepage and damage | |
Wang ZW; Lv XF(吕祥锋) ; Wang JG; Lv, XF (reprint author), Liaoning Tech Univ, Sch Mech & Engn, Fuxing 123000, Peoples R China.
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| Source Publication | DISASTER ADVANCES
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| 2012-12 | |
| Volume | 5Issue:4Pages:1212-1217 |
| ISSN | 0974-262X |
| Abstract | The stability problem of water-filled dump slope becomes one of the geotechnical engineering problems needed to be resolved. Especially, the couple effect of seepage and damage has a great influence on the dump slope. Using a combination of theoretical analysis and numerical calculation methods, the seepage-damage coupled mathematical model of coal rock mass based on pressure and shear type and open type is established, the permeability tensor affected by fracture damage of coal rock mass is studied. Taking Heidaigou dump slope for example, the stability of water-filled dump slope under the couple effect of seepage and damage is numerical analyzed. The results show that: (1) The pore water pressure of water-filled dump is not fully dissipated under high-stress load, and the damage degree of dump bed and the instability chance of dump slope are increasing. (2) As the water level rises, the pore water pressure increases, the safety factor of dump slope is reducing. The effective internal friction angle and the shear strength decrease when the settling velocity is greater than the pore water pressure dissipation rate. But, the shear strength decrease significantly when the pore water pressure dissipation is too late. The research results provide strong guidance for the stability of water-filled dump slope. |
| Keyword | Seepage-damage Coupled Model Water-filled Bed Dump Slope Stability Numerical Calculation |
| Subject Area | 岩体力学和土力学 |
| URL | 查看原文 |
| Indexed By | SCI |
| Language | 英语 |
| WOS ID | WOS:000313100100206 |
| Funding Organization | This work was financially supported by National Natural Science Foundation No.50774046, National Basic Research Program of China under Grant No.2010CB731506 and China Coal Research Institute Youth Innovation Fund No.2006QN07. |
| Department | LMFS流固土耦合力学(LHO) |
| Classification | 二类 |
| Citation statistics | |
| Document Type | 期刊论文 |
| Identifier | http://dspace.imech.ac.cn/handle/311007/46924 |
| Collection | 流固耦合系统力学重点实验室 |
| Corresponding Author | Lv, XF (reprint author), Liaoning Tech Univ, Sch Mech & Engn, Fuxing 123000, Peoples R China. |
| Recommended Citation GB/T 7714 | Wang ZW,Lv XF,Wang JG,et al. Stability analysis of water-filled dump slope under the couple effect of seepage and damage[J]. DISASTER ADVANCES,2012,5,4,:1212-1217. |
| APA | Wang ZW,吕祥锋,Wang JG,&Lv, XF .(2012).Stability analysis of water-filled dump slope under the couple effect of seepage and damage.DISASTER ADVANCES,5(4),1212-1217. |
| MLA | Wang ZW,et al."Stability analysis of water-filled dump slope under the couple effect of seepage and damage".DISASTER ADVANCES 5.4(2012):1212-1217. |
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