摘要
在深基坑施工中采用悬挂式围护可以大幅降低围护费用,但由于围护不能隔断承压含水层,所以在土方开挖时需不间断抽水,而长时间大量抽取地下水又会对周边环境产生严重影响。工程研究表明,采取地下水回灌措施虽可以在一定程度上减少降压对周边环境的影响,但盲目使用也会产生一定的次生灾害,需要引起高度重视,注意防范。
In deep foundation pit construction, the hanging support can greatly reduce costs. However, since the retaining support cannot cut off the confined aquifer, it requires continuous pumping to extract the groundwater and will cause a serious impact on the surrounding environment. Engineering researches show that though the groundwater recharge measures can reduce such impact on the surrounding environment in a certain degree, but improper use may cause some secondary disasters in engineering practice, therefore high attention should be drawn to guard against it.
出处
《建筑施工》
2014年第4期327-329,共3页
Building Construction
关键词
深基坑施工
悬挂式围护
承压水回灌
环境影响
次生灾害
deep foundation pit construction
hanging support
confined water recharge
environmental impact
secondary disasters
