- 摘 要
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陳國強 許建平
(冶金部建筑研究總院地基所 北京 100088)[提要] 深基坑支護工程中對于水的處理是非常關(guān)鍵的一個技術(shù)問題。對深基坑設(shè)計時水壓力的計算和基坑降排水、止水設(shè)計等問題進行了討論，并提出了水壓力修正系數(shù)( Kw)的經(jīng)驗公式，介紹了壁后注漿法、樁間擺噴止水帷幕法等止水措施。
[關(guān)鍵詞] 水壓力 修正系數(shù) 壁后注漿法 樁間擺噴 止水帷幕Handling of undcrground watcr is a kcy tcchnical problcm in dccp foundation pit supporting cnginccring. This papcr discusscs the calculation of watcr prcssure and dcsigns of watcr lcvcl lowcring, draining off watcr and kccping off watcr hcavy curtain, thcn givcs an cxpcricnccd formula for calculation of watcr prcssure rcviscd cocfficicnt(Kw), introduccs scparating water mcasurcs, such as the mcthod of injcction concrcte liquid bchind supporting wall and kccping off watcr hcavy curtain by swing spraying bctwccn pilcs.
Keywords: rcviscd cocfficicnt; watcr prcssurc; injcction concrcte liquid; supporting wall mcthod; watcr hcavy curtain; swing spraying
