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根据《水利水电工程钻孔抽水试验规程》(SL320—2005)规定,钻孔抽水试验试验孔采用完整孔结构时,其过滤器的实际长度不应()。

发布日期:2021-11-23

根据《水利水电工程钻孔抽水试验规程》(SL320—2005)规定,钻孔抽水试验试验孔采用完整孔结构时...
A

小于2m

B

小于1/3倍含水层厚度

C

小于0.9倍含水层厚度

D

超过含水层厚度

试题解析

抽水试验

[pumping test],包括自抽水井抽取一定水量而在某距离之间观测井测定不同时间地下水位的变化,观测数据利用各种地下水流理论式或其图解法分析抽水试验的结果。

中文名
抽水试验
类型
实验
外文名
pumping test
对象
地下水

钻孔

钻孔是指用钻头在实体材料上加工出孔的操作。这里讲述了勘探工作里的钻孔工作,以及钻孔需要的辅助工具以及部分应急措施方法。在地质勘查工作中,利用钻探设备向地下钻成的直径较小深度较大的柱状圆孔,又称钻井。钻探石油和天然气以及地下水的钻孔直径较大些。钻孔直径和深度大小,取决于地质矿产埋藏深度和钻孔的用途。

中文名
钻孔
方法
钻探设备
用法
地质勘查工作
别名
钻井

规程

规程是指将工作程序贯穿一定的标准、要求和规定。

中文名
规程
拼音
guī chéng
外文名
[rules;regulation;provision;procedures]
基本解释
规则章程

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此试题出现在

注册土木工程师(水利水电)

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