| 铁城电站坝基岩体改良固结灌浆试验实践 |
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| 引用本文： | 高德树.铁城电站坝基岩体改良固结灌浆试验实践[J].甘肃地质学报,2009(1):87-89,96. |
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| 作者姓名： | 高德树 |
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| 作者单位： | 甘肃省水利水电勘测设计研究院第二分院; |
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| 摘 要： | 针对铁城电站花岗片麻岩坝基岩体特点,选定5个特征试验区,梅花形布孔进行固结灌浆试验,进而布孔检验。通过波速测试、压水试验、岩芯等多种手段来对灌浆试验效果进行系统评估。数据结果分析表明,坝基岩体的可灌性较好,主体坝基固结灌浆设计方案可行。试验同时得出一些经验,并分析提出工程建议。
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| 关 键 词： | 固结灌浆 波速 压水试验 耗灰量 |
MODIFIED CONSOLIDATION GROUTING TEST FOR DAM FOUNDATION ROCK OF TIECHENG HYDROPOWER STATION |
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| GAO De-shu.MODIFIED CONSOLIDATION GROUTING TEST FOR DAM FOUNDATION ROCK OF TIECHENG HYDROPOWER STATION[J].Acta Geologica Gansu,2009(1):87-89,96. |
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| Authors: | GAO De-shu |
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| Institution: | Second Branch;Gansu Institute of Water Resources and Hydropower Research;Longxi 748000;China |
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| Abstract: | The dam foundation of Tiecheng hydropower station consists of granite-gneiss,where developed 2 faults,and 3 sets structural fractures.According to the site characteristics,5 typical test divisions have been designed and consolidation grouting test carried out through 35 holes which were arranged as quincunx pattern.After 14 days from the day while grouting test completed,3 examination holes have been designed for evaluating the effectiveness of grouting test by means of wave velocity test,packer permeabilit... |
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| Keywords: | consolidation grouting wave velocity packer permeability mortar consumption |
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