南京市地面塌陷发育特征及防治对策

地面塌陷已成为南京市主要的地质灾害问题,从时空分布、影响因素、发生破坏机理等方面,论述南京市发育的岩溶塌陷、采空塌陷、工程塌陷的发育分布特征及其成因等。总结发现南京市工程地面塌陷发生率逐年上升,危害范围呈现由郊区向城市中心扩展的趋势;过量开采地下水和地下矿产资源、疏排地下水、人工加载和扰动等是诱发地面塌陷主要的因素。基于南京地面塌陷的分析和研究,提出相应的防治对策。

Study on Distribution Characteristics of Ground Collapse in Nanjing City and Its Countermeasures

Ground collapse has become a major geological disaster in Nanjing city.The distribution characteristics and causes of the Nanjing karst collapse,goaf collapse and project collapse were analyzed from the aspects of spatial-temporal distribution,influencing factors and the occurrence mechanism.It is found out that the zones of ground collapse expand from the suburbs to urban centers recently,increasing the incidence of project collapse year by year.Main factors causing ground collapse in Nanjing city are exce...