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A platform for research: civil engineering, architecture and urbanism
Development of Highway Construction Guidelines for Karst Areas of Southwestern China
With the recent development of multi-lane, controlled access highway infrastructure in Southwestern China, karst related problems affecting highway construction are becoming common. A large portion of the landscape of the southwestern region of China is characterized by unique karst terrain, which typically has high mountains, shallow valleys and interconnected surface and groundwater systems. These unique karst landforms have resulted in the familiar Fengcong and Fenglin (cone-shaped) types of tower and cone karst. Karst type problems, which include sinkhole collapse, flooding, and groundwater pollution, are problematic during the construction of highway embankments, bridge foundations, and tunnels. This paper describes a new research program related to the highway bearing capacity over cavernous bedrock in the karst areas of Southwestern China. The preliminary research has focused on the characteristics of typical highway distress associated with the karst terrain. Current technologies employed by Chinese highway construction companies will be evaluated for their effectiveness in preventing subgrade failures related to highway infrastructure in karst areas. In addition, a summary description of the karst geology of this region of China is also provided, written from the prospective of the authors and providing comparisons with the karst topography in the eastern US.
Development of Highway Construction Guidelines for Karst Areas of Southwestern China
With the recent development of multi-lane, controlled access highway infrastructure in Southwestern China, karst related problems affecting highway construction are becoming common. A large portion of the landscape of the southwestern region of China is characterized by unique karst terrain, which typically has high mountains, shallow valleys and interconnected surface and groundwater systems. These unique karst landforms have resulted in the familiar Fengcong and Fenglin (cone-shaped) types of tower and cone karst. Karst type problems, which include sinkhole collapse, flooding, and groundwater pollution, are problematic during the construction of highway embankments, bridge foundations, and tunnels. This paper describes a new research program related to the highway bearing capacity over cavernous bedrock in the karst areas of Southwestern China. The preliminary research has focused on the characteristics of typical highway distress associated with the karst terrain. Current technologies employed by Chinese highway construction companies will be evaluated for their effectiveness in preventing subgrade failures related to highway infrastructure in karst areas. In addition, a summary description of the karst geology of this region of China is also provided, written from the prospective of the authors and providing comparisons with the karst topography in the eastern US.
Development of Highway Construction Guidelines for Karst Areas of Southwestern China
Moore, Harry (author) / He, WenBin (author) / Huang, Baoshan (author) / Drumm, Eric (author)
Ninth Multidisciplinary Conference on Sinkholes and the Engineering and Environmental Impacts of Karst ; 2003 ; Huntsville, Alabama, United States
2003-09-05
Conference paper
Electronic Resource
English
Development of Highway Construction Guidelines for Karst Areas of Southwestern China
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