摘要
简要介绍了长沙地区的水文地质条件及其分布规律,划分出松散岩类孔隙水、碳酸盐岩岩溶水、碎屑岩裂隙水和浅变质岩裂隙水等4种地下水类型,叙述了各类地下水的主要特征。文章认为长沙地区建筑工程的抗浮主要与孔隙水有关,并根据地质条件对不同情况的抗浮设防水位取值进行了探讨,为城市规划建设、工程决策、灾害防治提供了依据。
The hydrogeological conditions and groundwater distribution in Changsha area are summarized in this pa- per. Groundwater is divided into four types：pore water in loose sediment, cavity water in fractured carbonate rock, karst water in porous and fractured red beds, fracture water in Clastic rock and Shallow metamorphic rock. The values of water level for prevention of up - floating are researched according to different geological conditions, it will be of great signifi- cance to urban planning and construction, engineering decision, and disaster reduction.
出处
《城市勘测》
2013年第1期161-166,共6页
Urban Geotechnical Investigation & Surveying
基金
住房和城乡建设部软科学研究项目(2012-R2-28)
关键词
长沙地区
地下水类型
抗浮设防水位
城市建设
Changsha area, Groundwater type
water level for prevention of up - floating
urban engineering con-struction
