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Study on the Geohazard Distribution Laws and Hazard-Causing Mechanism in menghai county of Yunnan Province

Journal of World Architecture 2021年第5期5卷 14-21页

作者： Mingchang Hei Xuegang Dai Xukai Yuan Jia Xiong Xiaobo Kang Faculty of Land Resources Engineering Kunming University of Science and TechnologyKunming 650093China The Middle School Attached to Chongqing Normal University Chongqing 4000142 China Yunnan Institute of Geo-environmental Monitoring(Yunnan Research Institute of Environmental Geology) Kunming 650216China

The study area is located at the southwest border of Yunnan Province and the southward extended part of Nushan Mountain,with complex and fragile geo-environmental *** geological survey and mathematical analytical investigation on the geohazard distribution and hazard-causing mechanisms in this area were carried out in this *** results revealed that:(1)The development of geohazards was affected differently by difierent slope shapes,slope structures and elevations;(2)Most of the geohazards were developed in medium shallow cut ridge-like medium-height mountainous geomorphological region and shallow cut steamed bun-like low and medium-height mountainous geomorphological region,and they were relatively concentrated on tectonic zones like fault zones;(3)The slopes formed by loose earth piling up on the surface of Indo-Chinese magmatic rock and Lancang Group metamorphic rock formations were most prone to slope instability and even *** deep study on the geohazard distribution and hazard-causing mechanisms can provide geoscientific basis and reference for the prevention and mitigation work of geohazards under similar geo-environmental conditions.

关键词： menghai county Geohazard Distribution law Hazard-causing mechanism

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