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细颗粒承压含水层的深基坑降水--以天津港南疆煤码头翻车机房降水工程为例
引用本文:王永强,杨永琪.细颗粒承压含水层的深基坑降水--以天津港南疆煤码头翻车机房降水工程为例[J].勘察科学技术,2000(1).
作者姓名:王永强  杨永琪
作者单位:1. 天津港建设公司,天津市,300345
2. 冶金工业部勘察研究总院,河北,保定,071067
摘    要:细颗粒组成承压含水层的深基坑降水关键需解决两方面的问题:首先是把好降水井的成井质量关,保证成井质量,才能确保降水效果淇次是抽水试验资料一定要准确,利用抽水试验资料计算基坑涌水量,以便选择降水设备、确定降水井数量及布局。

关 键 词:承压含水层  成井质量  涌水量

DEEP FOUNDATION PIT DEWATERING IN FINE GRAINED CONFINED AQUIFER-TAKE THE DEWATERING PROJECT OF DUMP CAR HALL OF NANJIANG COAL WHARF IN TIANJIN AS AN EXAMPLE
Wang Yongqiang,Yang Yongqi.DEEP FOUNDATION PIT DEWATERING IN FINE GRAINED CONFINED AQUIFER-TAKE THE DEWATERING PROJECT OF DUMP CAR HALL OF NANJIANG COAL WHARF IN TIANJIN AS AN EXAMPLE[J].Site Investigation Science and Technology,2000(1).
Authors:Wang Yongqiang  Yang Yongqi
Abstract:The two key problems to be solved for deep founation pit dewatering in fine grained confined aquifer are: to guarantee the quality of the forming of dewatering well, the effect of dewatering can be ensured; second, the pumpingg test data must be obained accurately, then using the pumping test data to calculate the water dischargr of foundation pit, so as to select the dewatering facilities and ascertain the umber of dewatering wells and its layout.
Keywords:confined aqifer  quality of well forming  water discharge  
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