潜水含水层中近河基坑工程降水设计方法探讨
摘要:对位于潜水含水层中的近河基坑工程,运用行标JGJ 120—99规程中的有关公式,根据稳定流理论,采用管井井点进行降水设计。通过实例计算,讨论了规程中管井单井涌水量及基坑中某点水位降深计算公式的适用性及局限性,并对相关计算公式进行了补充完善。
Abstract:Base on the related formulas of JGJ 120-99 technical specification, with steady flow theory, tube wells are designed for dewatering in a foundation pit locate in phreatic aquifer close to fiver. Through one practical engineering, the applicability and the limitation of the formulas in JGJ 120-99 technical specification about the single well yield and the ground water drown down in one point of the foundation pit is discussed, and the improvement and perfection of the corresponding formulas suit for this state is put forward.
中文标题:
潜水含水层中近河基坑工程降水设计方法探讨
Dewatering Design Method of the Foundation Pit in Phreatic Aquifer Close to River
作者:
刘俊龙
Liu Junlong
作者简介:刘俊龙,男,1968年生,福建南安人,高级工程师,注册土木工程师(岩土)。毕业于同济大学,学士学位,现主要从事岩土工程勘察、设计及检测工作。
通讯地址:
福建省建筑设计研究院, 福建福州 350001
FujianArchitecturalDesignandResearchInstitute,FuzhouFujian350001
中图分类号:TU46.3
出版物:岩土工程技术
收稿日期:2006-12-01
网络出版日期:2021-07-10
关键词:潜水含水层,近河基坑,井点降水,完整井
Key words:phreatic aquifer,foundation pit close to river,well-point dewatering,completely penetrated well
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