【摘要】 为了对采空区沉陷段准确做出评估并提出有效的处理措施,采用钻孔、高分辨率地震法、电法、声波等方法对该区段空区位置进行探测,并在现场安置了原位监测仪器VWM型振弦式多点变位计对岩层移动进行长期观测,同时联合理论计算对该段进行残余变形预测。结果表明:采空区处于岩石充填或半充填状态,空间高度在2~8 m之间,暂时处于相对稳定状态。经预测还将有100~400 mm的残余变形,提出了采空区采取充填注浆措施进行治理。在没有完全掌握采掘工程平面图的情况下,可以参照本项目中的流程进行探测、监测、预测及治理,对类似工程有参考作用。更多还原

【Abstract】 In order to analyze the influence of goaf subsidence on highway and put forward some effective solutions,a variety of measures,such as mined-out area detection by drilling,high resolution seismic method,electrical method and acoustic methods were used.A multipoint displacement monitoring instrument was placed to carry out long-term observation on the strata movement,and the residual deformation was calculated.Results show that when in full filling or half-filling with rock,and the space height is between 2 to 8 meters,the goaf is temporarily relatively stable.The goaf will also have 100~400 mm risidual deformation by prediction,and the filling grouting measures for mined-out area are proposed to control the deformation.Under the circumstance of incomplete mastery of excavation planform,this project can be used as a reference.更多还原