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shen jing chou shui shi yan yu dao de te shu xian xiang ji fen xi shi li
Author(s): 
Pages: 38-43
Year: Issue:  3
Journal: Geotechnical Investigation & Surveying

Keyword:  深井抽水特点实例分析;
Abstract: 作者以多井长期抽水试验为例,描述了深井抽水前后遇到的水文地质现象。考虑到水的密度、粘度和井管阻损,以含水层底板为压力基准面,利用在井口上录取的水位、水温、水量数据计算出井底静压、流压和地层压降。从抽水设备作功、消耗能量的角度,分析了自流和抽水过程中的能量转化、水位与压降漏斗的分布和变化规律。通过对抽水孔、观测孔压降曲线的分析对比,计算出能够代表地层特性的参数。
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