南钦铁路采空区变形预测与危险性评估  

Deformation Prediction and Hazard Assessment for Mined-out Area along Nanning-Qinzhou Railway

作　　者：傅毅静[1] 

机构地区：[1]中铁二院工程集团有限责任公司南宁分院,南宁530022

出　　处：《路基工程》2013年第6期208-212,共5页Subgrade Engineering

摘　　要：采空区问题是世界性难题,无法绕避时,须采用合理的方法予以整治,达到工程安全的目的。结合南钦铁路煤矿采空区现状情况,评估采空区危险性与变形预测。评估结果显示:由于采空区上方地面产生裂缝和塌陷,将导致整体下沉致灾的危险;变形预测结果大于规范要求。因此,必须进行相应的工程处理,确保铁路的营运安全。Mined-out area is a worldwide difficulty, and should be treated by proper method for the purpose of engineering safety when it can not be avoided. Combining with the status quo of the coal mined-out area along Nanning-Qinzhou Railway, the hazard assessment and deformation prediction in relation to this mined-out area were carried out. The assessment result shows that the cracks and collapse of the ground above the mined-out area will cause overall settlement then lead to disaster; and the prediction result is larger than the requirement specified. Therefore, the related engineering treatment must be done for securing the railway operation Safety.

关 键 词：铁路路基 采空区 变形预测 危险性评估 

分 类 号：U216.417[交通运输工程—道路与铁道工程]