道路土方开挖施工方案

12345673.54.5811.59123()()10mm-15mm25cm44m()5110.523.0m20.0cm3.0m20.0cm320cm4512200mm×300mm20m600mm×600mm×800mm 1234123300mm4560800mm95%8001500mm93%1500mm90%1232004512342-3m4-6m510m67120m100m20m231234121.52.0m3m4m3(1)a. 100m100500m500m22b. c. d. (2):(3)121030cm130cm23123→→→→→→→→→→→→ 1234 123456750123456789101112-414.99530km/h12-k0+0002507.04-6123456711.58123()()0.01m-0.15m0.25m41,(1)lm(2)1.01m2.00m1:0.5(3)2.01m4.00m1:0.7(4)4.01m5.00m1:123m0.2m3m0.2m30.2m451 12341230.2m4512342-3m4-6m510m67