| 孔中测定多含水层渗透流速方法研究 |
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| 引用本文： | 陈建生,杨松堂,凡哲超.孔中测定多含水层渗透流速方法研究[J].岩土工程学报,2004,26(3):327-330. |
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| 作者姓名： | 陈建生 杨松堂 凡哲超 |
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| 作者单位： | 河海大学岩土工程研究所；南京市水利规划设计院；河海大学岩土工程研究所 江苏南京210098；江苏南京210008；江苏南京210098； |
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| 基金项目： | 国家自然科学基金资助项目 (50 1 790 0 9) |
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| 摘 要： | 根据钻孔后的实际情况 ,分析了Drost等人点稀释法测量地层渗透性理论的局限性 ,研究了如何在多含水层中系统中孔中存在垂向流时测量流速的方法。将地层分为涌水和吸水两种情况 :对于吸水含水层 ,可以应用广义稀释定理直接求出渗透流速 ;对于涌水含水层 ,又根据它们所处的位置 ,提出解决方法 ,从而大大地扩大了稀释定理测速的范围。
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| 关 键 词： | 探测方法 垂向流 涌水含水层 吸水含水层 注水 |
| 文章编号： | 1000-4548(2004)03-0327-04 |
Researches on measuring seepage velocity in the borehole of multi-aquifer |
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| CHENG Jiansheng,YANG Songtang,FAN Zhechao.Researches on measuring seepage velocity in the borehole of multi-aquifer[J].Chinese Journal of Geotechnical Engineering,2004,26(3):327-330. |
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| Authors: | CHENG Jiansheng YANG Songtang FAN Zhechao |
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| Affiliation: | 1.Research Institute of Geotechnical Engineering Hohai University Nanjing 210098 China 2.Nanjing Municipal Water Conservancy Planning and Designing Institute Nanjing 210008 China |
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| Abstract: | The limitation of Point Dilution proposed by Drost is analyzed according to the actual situation in the borehole.It is also discussed how to measure the horizontal flow when vertical flow exists in the borehole.There are two kinds of groundwater regime:suction acquifer and gushing acquifer.For the suction acquifer,we can directly use general dilution theory to calculate the horizontal flow,and for the gushing acquifer,according to their position,some techniques are proposed.Thus it will enlarge the area to measure flows in dilution theory greatly. |
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| Keywords: | methods of exploration vertical flow suction acquifer gushing acquifer affusion |
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