Characteristics of the development， formation mechanism and prevention suggestions of the geological disasters in FAST protected areas

ZHAI Longxiang; SONG Xiaoqing; ZHU Boqin; WANG Hu and YAN Zhaojin; ${author.authorNameEn}

doi:10.12143/j.ztgc.2023.05.008

2023 Vol. 50, No. 5

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ZHAI Longxiang, SONG Xiaoqing, ZHU Boqin, WANG Hu and YAN Zhaojin, . 2023. Characteristics of the development， formation mechanism and prevention suggestions of the geological disasters in FAST protected areas. DRILLING ENGINEERING, 50(5): 52-59. doi: 10.12143/j.ztgc.2023.05.008

Citation:

ZHAI Longxiang, SONG Xiaoqing, ZHU Boqin, WANG Hu and YAN Zhaojin, . 2023. Characteristics of the development， formation mechanism and prevention suggestions of the geological disasters in FAST protected areas. DRILLING ENGINEERING, 50(5): 52-59. doi: 10.12143/j.ztgc.2023.05.008

Characteristics of the development， formation mechanism and prevention suggestions of the geological disasters in FAST protected areas

1.111 Geological Team, Bureau of Geology and Mineral Exploration and Development of Guizhou Province,Guiyang Guizhou 550081, China;
2.Guizhou Geological Engineering Survey, Design and Research Institute Co., Ltd., Guiyang Guizhou 550081, China;
3.Guizhou Radio Observatory, Guiyang Guizhou 550025, China

Received Date: 21 May 2023

Revised Date: 10 July 2023

Abstract

Abstract

Geological disasters are development in the FAST （Five-hundred-meter Aperture Spherical radio Telescope） protected area which is geological disasters prone area where 132 registered geological disasters exist. Hidden hazards of geological disasters in this area have posed threats to the safe operation of the FAST project. In this paper， the existing geological disasters in the FAST protected area are taken as the research objects， methods of field investigation， data collection and mathematical statistics are adopted to analyze the development characteristics of geological disasters in the protected area. The correlation model of geological disasters is established to study the coupling relationship between the disaster-breeding conditions and influencing factors of geological disasters， the formation mechanism is analyzed and studied，and the prevention and control measures and monitoring suggestions are also put forward. As a result， the landslide in FAST protected area are mainly divided into two mechanical failure modes， namely， “traction type” and “push type”. Small landslides are mostly “traction type”， and medium and large landslides are mostly “push type”. The main failure modes of dangerous rock mass in the area are “toppling”， “falling” and “sliding”. Heavy rainfall and human engineering activities are the main inducing factors of geological disasters in the area. therefore， geological disaster inspection and prevention should be carried out before and after heavy rainfall. Scientific assessment and planning should be made before carrying out geotechnical engineering activities to avoid man-made geological disasters.
- FAST protected area /
- geological disaster /
- developmental characteristics /
- influencing factors /
- formation mechanism /
- prevention and control measures /
- monitoring and early warning

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References

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