| 钻孔压水试验水压式栓塞排水泄压问题研究 |
| 投稿时间：2016-01-13 修订日期：2016-01-17 点此下载全文 |
| 引用本文：裴熊伟.钻孔压水试验水压式栓塞排水泄压问题研究[J].钻探工程,2016,43(3):56-59.PEI Xiong-wei. Research on Drainage and Pressure Relief of Hydraulic Plug for Water Pressure Test in Borehole[J]. Drilling Engineering, 2016,43(3):56-59. |
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| 中文摘要:压水试验水压式栓塞较其他类型栓塞可靠、灵活，但一直存在试验结束后排水泄压难题，使该类型栓塞使用局限于浅孔及地下水位高的钻孔。本文对该问题进行了研究，提出了解决方案，设计了新型水压式栓塞结构。解决了一直以来水压式栓塞的排水泄压难题，突破了试验孔深限制，使水压式栓塞能得到广泛应用。介绍了该新型水压式栓塞的结构和工作原理以及工程应用效果。 |
| 中文关键词:压水试验 水压式栓塞 胶囊 泄压排水 双塞 水利水电工程 |
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| Research on Drainage and Pressure Relief of Hydraulic Plug for Water Pressure Test in Borehole |
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| Abstract:Hydraulic plug for water pressure test is more reliable and flexible than other types of plugs, but difficult drainage and pressure relief after the test have been remained, so its usage is confined to shallow holes or holes with high water levels. This problem was studied and the solution was put forward. New type of hydraulic plug structure was designed for drainage and pressure relief of hydraulic plug, by which the limit of hole depth is broke through and the hydraulic plug can be widely used. The paper introduces this new hydraulic plug about its structure, working principle and engineering application effect. |
| keywords:water pressure test hydraulic plug capsule drainage and pressure relief double plug water-conservancy and water-electricity project |
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