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一、工程概况龙门水库位于河北省漕河中游,控制流域面积470平方公里,总库容1.18亿立方米。主要工程有:主坝一座,为均质土坝(壤土),长539米,最大坝高40.5米,副坝四座,总长2115米;泄水建筑物有:底孔泄洪洞三个,溢流坝一座,长75米,溢洪道一座,宽90米,非常溢洪口门长140米。工程布置见图1。主坝位于龙门峡谷进口处,坝区出露的地层,上部主要为黄土状亚砂土、亚粘土、砂卵石及红土碎石层。下部为震旦系中统雾迷组第三段的石条带自云岩,岩层走向近
First, the project profile Longmen Reservoir is located in the middle reaches of Caohe River in Hebei Province, the control basin area of 470 square kilometers, with a total storage capacity of 118000000 cubic meters. The main works are: a main dam, a homogeneous earth dam (loam), 539 meters long, the maximum dam height of 40.5 meters, four auxiliary dam, total length of 2115 meters; drainage structures are: three bottom hole spillway overflow A dam, 75 meters long, spillway a, width of 90 meters, very spillway door length of 140 meters. Project layout shown in Figure 1. The main dam is located at the entrance of the Longmen Gorge. The exposed strata in the dam area mainly include loess-like sub-sand, loam, sand-gravel and red gravel. The lower part of the Sinian system fog fog fans the third section of the rock band from the dolomite, rock near to