| Issue |
E3S Web Conf.
Volume 293, 2021
2021 3rd Global Conference on Ecological Environment and Civil Engineering (GCEECE 2021)
|
|
|---|---|---|
| Article Number | 03008 | |
| Number of page(s) | 7 | |
| Section | Sustainable Resource Development and Green Energy Saving | |
| DOI | https://doi.org/10.1051/e3sconf/202129303008 | |
| Published online | 23 July 2021 | |
In-situ rock tests for fault gouge zone：A case in Fengman hydropower station, China
1 China Water Northeastern Investigation, Design & Research Co. Ltd, Changchun 130061, Jilin, China
2 School of Geological Engineering and Geomatics, Chang’an University, Xi’an 710054, Shaanxi, China
3 Shaanxi Zhenan Pumped Storage Co. Ltd, Xi’an 710061, Shaanxi, China
4 Research Center on Cold Region Engineering Ministry of Water Resources, Changchun 130000, Jilin, China
* Corresponding author: 2020226111@chd.edu.cn
The existence of faults in the dam site area threatens the stability and safety of large-scale hydropower projects in China. The fault argillaceous zone is the worst kind of fault fracture zone, and the determination of its deformation and strength parameters is the key point of rock engineering investigation. In this study, the in-situ bearing plate test and direct shear test were carried out on the gouge zone of F67 fault in the dam site of Fengman Hydropower Station. The test results show that the deformation and shear law of each test point is good, which is basically consistent with the actual condition of the measured rock mass. However, due to the limited number of measurements, the results are limited in terms of macroscopic representation. The experimental results provide scientific basis for subsequent engineering design and further enhance the understanding of mechanical properties of fault gouges.
© The Authors, published by EDP Sciences, 2021
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