雷塬水库施工导流方案比选分析

Comparison and Analysis of Construction Diversion Schemes for Leiyuan Reservoir

雷塬水库工程地处黄土高原"V"字型峡谷中,两岸岸坡较陡,所在流域暴雨洪峰流量较大,这种特殊地质地形与洪水特性对施工导流的要求比较高,本文在控制投资并满足工期的前提下,提出两种导流方案:全年围堰导流方案和枯水期围堰挡水、汛期高水围堰与坝体结合的导流方案,并进行详细论证,最终选择全年围堰导流,从而达到工程投资合理、工期保证、施工质量较高的目的。

Leiyuan Reservoir project is located in the "V"-shaped gorge of the Loess Plateau, with steep slopes on both banks and large storm peak discharge in the basin. This special geological topography and flood characteristics have higher requirements for construction diversion. This article under the premise of controlling investment and meeting the construction period, we propose two diversion schemes. One is the diversion scheme of the year-round cofferdam and the diversion scheme of the cofferdam in the dry season, and another is the combination of the high-water cofferdam and the dam body in the flood season. Choose the year-round cofferdam for diversion, so as to achieve the purpose of reasonable project investment,guaranteed construction period and high construction quality.