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EXPERIMENTAL STUDY OF LOW TEMPERATURE WATER SEEPAGE DETECTION MODEL OF EMBANKMENT DAM

机译:堤坝低温渗水检测模型的试验研究。

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Seepage problems in embankment dams have received wide attention, but determining seepage channel position is difficult because methods such as water level observation are unable to ascertain channel position under many situations. Considering the differences between low temperature characteristics of deep reservoir water and the relatively high temperature characteristics of strata, reducing temperature by using ice was adopted to simulate a reservoir water in winter, or a deep reservoir water. By establishing an indoor dam model and temperature sensor test system buried within the dam, we studied the correlation between dam temperature field and seepage under low temperature water, established a dam seepage detection model in low temperature field, and verified the feasibility of the low temperature water seepage model in tests of three types of dams, namely, homogeneous dam, core wall dam, and concrete-face rock-fill dam.
机译:堤坝的渗流问题已引起广泛关注,但是由于诸如水位观察之类的方法在许多情况下无法确定河道位置,因此确定渗流河道位置十分困难。考虑到深层水的低温特征与地层的较高温度特征之间的差异,冬季采用冰降温模拟深层水或深层水。通过建立室内坝模型和埋在坝内的温度传感器测试系统,研究了低温水在大坝温度场与渗流之间的相关性,建立了低温场大坝渗流检测模型,验证了低温可行性。均质坝,岩心墙坝和混凝土面板堆石坝三种水坝试验中的渗水模型。

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