潜水井中水位改变方式对Slug试验测试的影响研究  

Study on the Influence of Different Water Level Changes on the Slug Test in the Diving Well

作　　者：胡海星[1] 陈亮[1,2] 陈成[3] 文磊[1] 李月奇[1] 熊坚[1] 

机构地区：[1]河海大学岩土工程科学研究所 [2]南京水利科学研究院,南京210029 [3]河海大学大禹学院,南京210098

出　　处：《科学技术与工程》2015年第35期106-111,119,共7页Science Technology and Engineering

基　　金：江苏省自然科学基金(20155024511);南京水利科学研究院开放基金(20155005712)资助

摘　　要：Slug试验是一种测试含水层渗透性的原位测试方法,设计了室内试验,并研究了潜水井内抽水和注水两种水位改变方式对Slug试验测试结果的影响。研究表明瞬间改变水位的方式对测试的结果具有明显影响;降水头Slug试验测得的渗透系数与升水头Slug试验测得的渗透系数比值为1.24;与常水头方法测试结果相比可知后者更为接近真实值。在野外场地实施现场试验,对上述结果进行了验证。Slug test is a method of situ testing for determining the hydraulic conductivity or transmissibility of an aquifer,laboratory tests were designed to investigate the influence of the ways of changing water level on the results of Slug test in diving wells. The study suggests that the ways of changing water level（ drawing or injecting） affect the results of Slug test,and the influence is steady. The ratio of two hydraulic conductivities which are determined by water head rising Slug test and water head falling Slug test is 1. 24. and the latter is closer to true hydraulic conductivity of an aquifer. Field tests are carried to checking the results of laboratory tests.

关 键 词：Slug试验 渗透系数 水位改变方式 潜水井 原位测试 

分 类 号：P641.2[天文地球—地质矿产勘探]