论文部分内容阅读
【工程概况】大河湾隧道是金沙江溪洛渡水电站对外交通专用公路“两隧一桥”重点工程之一,隧道起讫里程K1+414～K4+530,全长3116m,净空(宽×高)10.7m×7.25m,曲墙式衬砌。设计为上下行双向双车道,水泥混泥土路面行车道宽度为9m,洞内设9个紧急停车带,路面宽度12m;2处回车道,路面
【Project Overview】 The Dahewan Tunnel is one of the key projects of the “Two Tunnels and One Bridge” for the Xiluodu Hydropower Station on the Jinsha River. The tunnel starts and ends K1 + 414 ~ K4 + 530, with a total length of 3116m and a clearance of 10.7m × 7.25m, curved wall lining. Designed for up and down two-way two-lane, cement concrete pavement driveway width of 9m, there are 9 emergency parking holes in the cave, the road width of 12m; 2 backtrack, pavement