Groundwater Waves in a Coastal Fractured Aquifer of the Third Phase Qinshan Nuclear Power Engineering Field

Tidal fluctuations of Hangzhou Bay produce progressive pressure waves in adjacent field fractured aquifers, as the pressure waves propagate, groundwater levels and hydraulic gradients continuously fluctuate. The effect of tidal fluctuations on groundwater flow can be determined using the mean hydraulic gradient that can be calculated by comparing mean ground and surface water elevations. Tidal fluctuation is shown to affect the piezometer readings taken in a nearshore fractured aquifer around the nuclear power engineering field. Continuous monitoring of a network of seven piezometers provided relations between the tidal cycle and the piezometer readings. The relations can be expressed in times of a time and amplitude scaling factor. The time lag and the tidal effi ciency factor and wavelength are calculated using these parameters. It provides significant scientific basis to prevent tide and groundwater for the nuclear power engineering construction and safety run of nuclear power station in the future.

作 者： ZHOU Nian-qing TANG Yi-qun TANG He-ping   作者單位： ZHOU Nian-qing,TANG Yi-qun(Dept. of Geotechnical Eng. , Tongji Univ. , Shanghai 200092, China)

TANG He-ping(No. 4 Research and Design Inst. of Nuclear Industry, Shijiazhuang 050021) 

刊 名： 上海交通大學學報（英文版）  EI 英文刊名： JOURNAL OF SHANGHAI JIAOTONG UNIVERSITY（SCIENCE）  年，卷(期)： 2005 E-10(4)  分類號： P64  關鍵詞： tidal fluctuation   fractured aquifer   hydraulic gradient   time lag   tidal efficiency factor   nuclear power engineering  

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