CAJ | 학술논문

提金沙洲可溶性灰岩分布面积广，岩溶洞隙发育，洞隙及地下水的连通性强，上覆第四系松散土体中软土广泛分布，客观存在岩溶地面塌陷及地面沉降的地质环境条件。2007年4月起，受某高铁隧道施工抽排地下水的影响，金沙洲地下水出现异常波动，引发了地面塌陷及地面沉降。文章根据监测数据，经对比分析结果表明，区内岩溶地面塌陷及地面沉降受控于地下水位的变化，地下水位波动至基岩面附近时，是地面塌陷较活跃的时期，地面沉降与地下水位变化呈正向相关。文章进一步对地面沉降与地下水位变化关系的机理进行了探讨，认为目前地下水位尚未恢复正常的区域仍存在地面塌陷及地面沉降的隐患。
제금사주가용성회암분포면적엄，암용동극발육，동극급지하수적련통성강，상복제사계송산토체중연토엄범분포，객관존재암용지면탑함급지면침강적지질배경조건。2007년4월기，수모고철수도시공추배지하수적영향，금사주지하수출현이상파동，인발료지면탑함급지면침강。문장근거감측수거，경대비분석결과표명，구내암용지면탑함급지면침강수공우지하수위적변화，지하수위파동지기암면부근시，시지면탑함교활약적시기，지면침강여지하수위변화정정향상관。문장진일보대지면침강여지하수위변화관계적궤리진행료탐토，인위목전지하수위상미회복정상적구역잉존재지면탑함급지면침강적은환。
Soluble limestone and Quaternary loose soft soil are widely distributed in Jinshazhou. The fractures in limestone are rich and well connected with each other, which leads to a good connection of groundwater. All these factors provide objective geological environment conditions for karst ground collapse and land subsidence. Since April 2007, affected by tunnel groundwater pumping in high-speed rail construction, groundwater has fluctuated abnormally, which has resulted in ground subsidence and land collapse in Jinshazhou. The monitoring data and comparative analysis show that the karst ground subsidence and land collapse are controlled by groundwater level changes. When groundwater level fluctuates near the bedrock surface, the ground collapse occurs easily, and the land subsidence is related to groundwater level change positively. The relationship between land subsidence and groundwater level changes was also studied and, on such a basis, it is held that the area where groundwater has not yet returned to the normal level still has the hidden trouble of ground subsidence and land collapse.