基于GMS的佛山市软土地面沉降预测研究  

Prediction of Land Subsidence of Soft Soil in Foshan City with GMS

作　　者：王凤林[1] 毛绪美[2] 王傲[2] 

机构地区：[1]中国地质大学出版社,武汉430074 [2]中国地质大学环境学院,武汉430074

出　　处：《安全与环境工程》2009年第6期26-29,共4页Safety and Environmental Engineering

基　　金：国家青年科学基金项目(40602031);广东省财政厅地质勘查项目(2007502)资助

摘　　要：在标准化佛山市所有钻孔资料的基础上,应用GMS软件构建了佛山市第四系软土空间格架,并基于太沙基渗流固结理论采用分层总和法预测了佛山市软土地面沉降量,并获得了研究区GMS三维立体沉降图,从中可以方便地查询任一点的地面沉降量,获得研究区地下的虚拟现实,具有形象和直观的特点;同时采用该方法还预测了佛山市软土地基经过地基处理和未经地基处理两种工况下地面沉降的未来发展趋势,结果表明研究区软土地基对建筑物的影响明显,修建建筑物时必须进行软土地基处理。The prediction of soft soil land subsidence provides a scientific basis for urban development planning and urban geo-environmental evaluation.By standardizing all the boreholes of the study area and building a space frame of soft soil in Foshan City with GMS software,and based on Terzaghi＇s consolidation theory of seepage,this paper predicts the land subsidence of soft soil in Foshan City with layer summation method.The information of any location can be reviewed from the three-dimension GMS subsidence map in the form of virtual reality,so the GMS land subsidence of the study area has the characteristic of being visual and intuitive.Meanwhile,the comparison of two different operating conditions of the study area shows the obvious impact of soft soil on buildings,indicating that the soft ground must be handled before buildings are constructed.

关 键 词：GMS 软土 地面沉降 佛山市 

分 类 号：X820.6[环境科学与工程—环境工程] TU433[建筑科学—岩土工程]