钟祥市某治理区岩溶地面塌陷监测与评价分析

Monitoring and Evaluation of Karst Ground Collapse in a Management Area of Zhongxiang City

在查明钟祥市某地存在的岩溶地面塌陷地质灾害问题和潜在危害,开展治理工程的基础上,建立了治理区GPS (位移)变形监测网、水准(沉降)变形监测网及地下水动态监测网。利用监测网的监测数据,基于Surfer绘图软件绘制位移等值线图、沉降等值线图及地下水位等值线图,分析治理区地表变形特征,预测岩溶地面塌陷发展趋势;经过治理后,治理区场地稳定性得到较大改善,治理效果初显成效。

On the basis of identifying the geological hazards and potential hazards of karst ground subsidence in Zhongxiang City and carrying out the harnessing project,the GPS(displacement)deformation monitoring network,the level(settlement)deformation monitoring network and the groundwater dynamic monitoring network in the harnessing area were established.Based on the monitoring data of the monitoring network,this paper analyzes the surface deformation characteristics of the treatment area based on the displacement contour map,settlement contour map and groundwater level contour map drawn by Surfer drawing software,and predicts the development trend of karst ground subsidence.After treatment,the stability of the site in the treatment area has been greatly improved,and the effectiveness of the treatment is beginning to show results.