03. THE RELATIONSHIP BETWEEN UNDERGROUND KARST AND GROUND COLLAPSE IN THE WESTERN AND SOUTHWESTERN AREA OF HANOI CITY

Binh Nguyen Van

Abstract

Recently, in the west and southwest of Hanoi city, ground collapse has been occurred and causing serious consequences. The positions of land subsidence occurred in Quoc Oai and My Duc districts including: Yen Noi village, Dong Quang commune (2007); Quoc Oai town (2009); village 16, Ang Ha hamlet, Le Thanh commune (2010), village 6, Xuy Xa commune (2011), Le Xa village, Le Thanh commune, My Duc district (2014); Yen Son commune, Liep Tuyet commune of Quoc Oai district (2014), Hoa Lac village, An Tien commune (2016). Land subsidence has damaged and destroyed infrastructures affecting the daily life and activities of local people. Many scientists have conducted a survey to find out the causes of ground collapse. Ground collapse occurs due to many closely related factors. The broken and highly fractured limestone and underground karst is one of the main causes. This paper analyzes and evaluates the characteristics and distribution of limestone bedrock, the activity of the underground karst to identify the causes and mechanisms of land subsidence in the west and southwest of Hanoi city. It also provides warnings of the risk of ground subsidence for some areas.

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References

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Authors

Binh Nguyen Van
nvbinh@hunre.edu.vn (Primary Contact)
Nguyen Van, B. (2019). 03. THE RELATIONSHIP BETWEEN UNDERGROUND KARST AND GROUND COLLAPSE IN THE WESTERN AND SOUTHWESTERN AREA OF HANOI CITY. Science Journal of Natural Resources and Environment, (25), 21–29. Retrieved from https://tapchikhtnmt.hunre.edu.vn/index.php/tapchikhtnmt/article/view/155
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