PVC-U携砾过滤器滤料厚度与阻砂性的相关关系试验研究  

Experimental Study on Correlation between Filter Material Thickness of PVC-U Gravel-filled Filter and the Sand-resistance

作　　者：冉德发[1] 李炳平[1] 解伟[1] 叶成明[1] 

机构地区：[1]中国地质调查局水文地质环境地质调查中心,河北保定071051

出　　处：《探矿工程（岩土钻掘工程）》2009年第4期7-9,共3页Exploration Engineering:Rock & Soil Drilling and Tunneling

基　　金：中国地质大调查项目"全国地方病严重区地下水勘查与供水安全综合研究"(编号:1212010634714)

摘　　要：针对第四系覆盖层、粉细砂地层成井中存在的问题,结合携砾过滤器的研制,试验并探讨了滤料层厚度与阻砂性的相关关系,初步得出了不同规格滤料理论最小阻砂厚度值。According to the difficulties in well completion in quaternary overburden and silt ＆ fine sand layers, and by the development of gravel-filled filter, the paper tested and discussed the correlation between thickness of filter material and sand-resistance, minimum theoretical thickness value of sand - resistance with different specifications of filter materials was preliminary obtained.

关 键 词：粉细砂地层 成井 滤料层厚度 阻砂性 相关关系 

分 类 号：TU991.12[建筑科学—市政工程]