作　　者： ; ; ;

机构地区： 长沙理工大学

出　　处： 《矿冶工程》 2005年第5期4-6,10,共4页

摘　　要： 随着地下溶腔的形成,水溶法地下采卤矿区地表将有可能产生沉降与变形。较之井巷法开采矿山,其变形机理表现为采场内承压水的顶托作用,夹层松散塌落、矿体内不溶物塌落、带结晶水化合物形成后体积膨胀等的充填效应以及裂隙带上方坚硬岩层的托板效应等特点。其地表移动与变形可用概率积分法预计,相应参数可套用条带水砂充填采矿法的工程类比法,而反映现场真实情况的相关参数只有通过实测资料才能获得。 The development of underground solution cavity may result in ground surface movement and deformation. Compared with well lane mines, deformation mechanism of such phenomena is due to the supporting of confined water in the stope and impact of filling such as the falling of incompact intercalation and insoluble substances in ore body, volume expansion due to the formation of water compounds with crystal, as well as the supporting of hard rock bed above the fissurc,etc. The ground surface movement and deformation can be calculated by probability integration method in advance, in which some relative parameters can be adopted from the mining project with sand filling, while some relative tmrmneters representing the practical situation on site must be obtained from the practical measurement.

关 键 词： 地表移动与变形 变形机理 概率积分法 水溶法开采

领　　域： [矿业工程] [矿业工程]