覆盖型岩溶区地下水地源热泵工程岩溶塌陷成因及对策研究  

Analysis of Causes of Karst Collapse and the Corresponding Countermeasures During the Running of Ground Source Heat Pump in the Covered Karst Areas

作　　者：段启杉[1,2] 曹振东[1,2] 孟凡涛[1,2] 宋小庆[1,2] 

机构地区：[1]贵州地质工程勘察院,贵州贵阳550008 [2]贵州省地质矿产勘查开发局111地质大队,贵州贵阳550008

出　　处：《地下水》2015年第5期11-13,共3页Ground water

基　　金：中国地质调查局"全国地热资源调查评价1212011120163"

摘　　要：地下水地源热泵工程是抽取地下水,以地下水为换热介质,提取能量之后全部回灌于含水层中。因此地下水地源热泵是改变地下水局部水位高程,整体上不影响地下水流场的变化。覆盖型岩溶区地质环境承载力较差,地下水的开发利用过程,可能加强诱发岩溶塌陷的因素,发生岩溶塌陷。在地下水地源热泵的建设和运行中,控制水位降深、尽量避免水位波动和瞬间水位变化过大等措施,达到预防岩溶塌陷的目的。而岩溶塌陷预防措施的研究给覆盖型岩溶区地下水地源热泵的建设和运行提供技术支撑。Ground source heat pump engineering is pumping groundwater, groundwater as heat transfer medium, extract the energy after full recharge in the aquifer. So the groundwater source heat pump is to change the local groundwater level elevation, on the whole does not affect the change of the groundwater flow field. Covered karst area with poor bearing capacity of geological envi-ronment, the development and utilization of groundwater, karst collapse could strengthen induced factors, karst collapse occurred. In groundwater in the construction and operation of ground source heat pump, control the water level drawdown, avoid water level fluctuation and instantaneous water level change is too big, so as to achieve the purpose of prevention of karst collapse, and preven-tive measures of karst collapse research covered karst area groundwater source heat pump with pumping and technical support for the construction and operation.

关 键 词：覆盖型岩溶区 地源热泵 岩溶塌陷 预防措施 

分 类 号：P642.25[天文地球—工程地质学]