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中文摘要：
基坑工程开挖前后采用的降水措施除易使地下水资源短缺程度加剧外,还易使地层土体发生变形,危及邻近建筑物的安全。回灌是把抽出的地下水回补到地下含水层,既有利于补充地下水资源,又有利于控制因降水引发的土体变形,可最大限度地减少降水对邻近建筑物的影响。以回灌水质、建筑物距离基坑远近、风险损失等级、含水层透水性以及基坑降水量与含水层储水量之比为评价指标,利用矩阵评价法对基坑降水回灌的适宜性进行了分级,结果表明：矩阵评价法可以有效地评价深基坑开挖的回灌适宜性。
英文摘要：
Dewatering in deep foundation excavation may intensify the shortage degree of groundwater resource,as well as to cause the deformation of strata and endanger the safety of adjacent buildings.In deep foundation excavation project,recharge that is inject the pumped groundwater into aquifer,it could be helpful to supplement the water resource,control the strata deformation and decrease the dewatering influence on adjacent buildings.Taking recharge water quality,the distance between buildings and foundation excavation,grade of risk loss,aquifer permeability and the ratio of foundation excavation dewatering amount and aquifer water capacity as evaluation index,suitability of groundwater recharge in deep foundation excavation is classified by using matrix evaluation method.The results show that the suitability of groundwater recharge in deep foundation excavation can be evaluated effectively by matrix evaluation method.
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