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北京市延庆县白河堡水库大坝是个高42.1米的碾压粘土斜墙土石坝,总工程量为104万立方米,其中,粘土24万立方米,砂砾料77万立方米。粘土施工控制干容重为1.7克/立方厘米,砂砾料压实标准要求相对密度不低于0.75。对于沙砾坝体填筑,工地选用代表性强的砂砾料,经试验后制定了压实控制标准。这个标准与其它水库的标准比较如附图一。
The dam of Baihepu Reservoir in Yanqing County of Beijing is a 42.1 m high-crushed clay inclined-wall earth-rock dam with a total volume of 1.04 million cubic meters, of which 240,000 cubic meters of clay and 770,000 cubic meters of grit are expected. Clay construction control dry weight of 1.7 grams / cubic centimeter, sand and gravel compaction standards require relative density of not less than 0.75. For the filling of gravel dam body, the site selection of a strong representative sand and gravel material, after the test developed compaction control standards. This standard compared with other reservoirs as shown in Figure 1.