| 高拱坝蓄水水位对横缝开度的影响研究 |
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| 引用本文： | 韩晓凤. 高拱坝蓄水水位对横缝开度的影响研究[J]. 水电能源科学, 2005, 23(4): 38-40,75 |
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| 作者姓名： | 韩晓凤 |
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| 作者单位： | 广西电力工业勘察设计研究院,广西,南宁,530023 |
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| 摘 要： | 研究了蓄水水位对横缝开度的影响．确定坝前允许最高水位以满足灌浆需要是工程上亟待解决的问题。推导了上游水压作用下横缝宽度变化量的计算公式．并采用模拟拱坝浇筑、灌浆和蓄水过程的有限元仿真方法.研究不同蓄水水位对横缝开度的影响。结果表明．当水位达到距灌浆区底部高程以下30～40m时．水压对缝宽的压紧闭合效果开始变得显著。
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| 关 键 词： | 高拱坝 蓄水水位 横缝开度 仿真分析 |
| 文章编号： | 1000-7709（2005）04-0038-04 |
| 收稿时间： | 2005-03-16 |
| 修稿时间： | 2005-03-16 |
Study on Effect of Impounded Water Level on Transverse Joints Aperture in High Arch Dam |
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| HAN Xiaofeng. Study on Effect of Impounded Water Level on Transverse Joints Aperture in High Arch Dam[J]. International Journal Hydroelectric Energy, 2005, 23(4): 38-40,75 |
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| Authors: | HAN Xiaofeng |
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| Abstract: | It is disadvantage to joint grouting that the transverse joints are jam-packed by water pressure after impounding. The formula estimating closure of transverse joints aperture under water pressure are deduced. In order to demonstrate the effect of different impounded water level on transverse joint aperture, the transverse joints aperture under different impounded water level is predicted by simulation analysis. It is concluded that the influence of water pressure on closure of transverse joints becomes significant when the impounding water reaches the level lower than the grout compartment from 30 to 40m. |
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| Keywords: | high arch dam impounded water level transverse joints aperture simulation analysis |
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