Abstract：Abstract: Research purposes: By analysing the karst ground collapse caused by the bore and cast pile for the DarongRiver Double － track Grand Bridge of the Hunan － Guangxi Railway in Zhoujia Village，the evaluation was made for theinfluence of karst ground collapse on the groundwater environment and foundation stability．
Research conclusions: The vibration of the construction machines was the main reasons for the karst ground collapse．After completion of the construction，the karst ground collapse did not have serious impact on the groundwaterenvironment and ground stability． In construction of high － speed railway，the influence of karst ground collapse on thesurrounding environment should be adequately considered．
张羽军. 周家村岩溶地面塌陷原因分析及环境影响评价[J]. 铁道工程学报, 2012, 29(2): 10-12,24.
ZHANG Yu － jun. Analysis of Reasons for Karst Ground Collapse in Zhoujia Village and Its Environment Evaluation. 铁道工程学报, 2012, 29(2): 10-12,24.
Wu Zhisheng． Analysis of Stability of Subsidence Surface in Karst Area and Zoning for Engineer Geology ［J］． Journal of Railway Engineering Society，2006( 4) :6 － 9．
Yang Shifu，etc． Analysis of the Karst Ground Collapse Geological Disasters in Anshandi Village of Guilin［J］．Geotechnical Engineering，2009( 11) : 50 － 53．
2012, Vol. 29 
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