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一、工程概况思林电站碾压混凝土重力坝最大坝高117m,坝顶高程452m,坝顶全长310.0m。思林电站导流洞共两条,分左右岸布置,过流断面均为13×15m(宽×高),左岸导流洞堵头长32.5m,右岸导流洞堵头长40m。左岸导流洞进口未设进水塔,导流洞永久堵头施工期间,进口采用“混凝土预制叠梁+混凝土塞”的临时挡水。右岸导流洞进口设置有进水塔。导流洞永久堵头施工期间,进口
First, the project profile Silin RCC gravity dam maximum dam height 117m, crest elevation 452m, crest length 310.0m. There are two diversion tunnels at Silin Hydropower Station, which are arranged on the left and right banks. The over-flow sections are both 13 × 15m (width × height). The plug length of the diversion tunnel on the left bank is 32.5m and that of the diversion tunnel on the right bank is 40m. There is no inlet tower at the inlet of the left bank diversion tunnel. During the construction of the permanent plug of the diversion tunnel, the import adopts the temporary water blocking of “prefabricated composite girder + concrete plug”. The right bank diversion tunnel inlet set up a water tower. Diversion hole permanent plug during construction, import