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| Stability analysis and evaluation of land subsidence in Suiningurban area of Xuzhou City, Jiangsu Province |
| ZHOU Dan, XING Xue, WANG Hongpei |
| No.5 Geological Party, Jiangsu Geology and Mineral Exploration Bureau, Xuzhou 221116, China |
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Abstract A computation geological model is obtained abstractly according to the type, spatial distribution and compression deformation of compressible soil in Suining urban area of Xuzhou City, Jiangsu Province. The accumulative land subsidence ranges from 3.08 to 380.60 mm, averaging of 162.41 mm under the condition of water level in 2013; and the maximum is in northwest of the study area, where the thickness of compressible soil, cohesive soil are large and groundwater level declined largely. Furthermore, the estimated accumulative land subsidence and risk zoning is acquired under the condition of water level in 2030, that provides relevant suggestions and measures for total amount control of groundwater mining and land subsidence monitoring. The research is helpful to avoiding the land subsidence gradually developed into a large geological disaster in 2030.
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Received: 02 November 2015
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2016, Vol. 3 
