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水文地质条件对地下水封洞库工程至关重要,如何取得准确的水文地质参数是水文地质工作的重中之重,直接关系到整个洞库的运营成本与水封成败,而水幕孔渗透系数的获取,却不同于国内现行规范、规程,应根据钻孔基岩的渗透能力的不同选用不同的试验方法,并运用相应的分析手段,从而求得最为准确的水文地质参数。本文以某地下水封洞库为例,详细讲述目前最精确的水幕孔单孔压水试验方法 -注水-消散试验的试验流程、数据解译,以供业内同行借鉴与研究。
Hydrogeological conditions are very important to groundwater caverns. How to obtain accurate hydrogeological parameters is the most important task of hydrogeology, which directly affects the operation cost and the success of the caverns. However, the permeability coefficient , But different from the current domestic norms and regulations, should be based on the different permeability of rock bedrock drilling using different test methods, and the use of appropriate analytical tools to get the most accurate hydrogeological parameters. In this paper, a groundwater sealing cavern as an example, detailing the most accurate test method of single hole water curtain water pressure - water injection - dissipation test of the test procedures, data interpretation, for the industry to learn from and study.