| 大岗山水电站承压热水灌浆帷幕侵蚀性试验研究 |
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| 引用本文： | 符平,邢占清,杨晓东.大岗山水电站承压热水灌浆帷幕侵蚀性试验研究[J].水利与建筑工程学报,2013(6):1-5. |
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| 作者姓名： | 符平 邢占清 杨晓东 |
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| 作者单位： | 中国水利水电科学研究院,北京100038 |
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| 基金项目： | 中国水利水电科学研究院科研专项（监集1318） |
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| 摘 要： | 针对低碱度软水条件下水泥灌浆帷幕的耐久性，采用加速腐蚀的室内试验方法，以溶出性Ca^2＋量为评价指标，研究了渗透压力、HCO3^-浓度、浆液配合比和水温等因素对帷幕耐久性的影响程度和规律。在高水头和低碱度软水作用下，100年后大岗山水电站坝基帷幕结石体性能将会出现一定下降，但幅度不大，不会对帷幕防渗体系产生严重的影响。试验所采用的研究方法和成果可为类似工程提供参考。
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| 关 键 词： | 防渗帷幕 耐久性 侵蚀试验 加速侵蚀 低碱度软水 |
Lab-experimental Study on Erosion of Grouting Curtain with Artesian Hot-water in Dagangshan Hydropower Station |
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| FU Ping,XING Zhan-qing,YANG Xiao-dong.Lab-experimental Study on Erosion of Grouting Curtain with Artesian Hot-water in Dagangshan Hydropower Station[J].Journal of Water Resources Architectural Engineering,2013(6):1-5. |
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| Authors: | FU Ping XING Zhan-qing YANG Xiao-dong |
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| Institution: | ( China Institute of Water Resources and Hydropower Research, Beijing, 100038, China) |
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| Abstract: | The durability of the cement grouting curtain under low alkalinity soft-water were studied to analyze the influ- ence degree and law of the osmotic pressure, HCOf concentration, water-cement ratio of slurry, water temperature and other factors on the curtain durability by using the mothod of accelerated erosion and considering the amount of the dis- solved Ca2 ＋ as the evaluation index. With the high water-press and low alkalinity soft-water, the performance of grouting curtain of Dagangshan Hydropower Station will be declined to a certain extent after 100 years, but it will not have a seri- ous impact on the anti-seepage system. The test method and achievement can provide some references for similar projects. |
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| Keywords: | anti-seepage curtain durability erosion test accelerated erosion soft water with low alkalinity |
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