congratulations to our company for participating in the supply of the sdjd1 contract section of the
时间：2020/6/26 11:11:11 浏览：189次
the linxia shuangcheng-daliga (gansu-qingdao) highway (hereinafter referred to as this project) is an important inter-provincial express passage connecting linxia hui autonomous prefecture in gansu province to xunhua and xining in qinghai province. the construction of this project will improve the highway network of gansu and qinghai provinces, promote the development of regional resources, accelerate the economic and cultural exchanges between the two provinces, and promote the development of commerce and trade. it will play an important role in the development and exchange of the two provinces in various fields. at the same time, the affected area of the project is an area inhabited by ethnic minorities, and the construction of the project has important practical significance in maintaining ethnic unity and social stability. the total length of the shuangda highway is 37.26km. the length of the test section is 3.29km, and the total investment in civil engineering of the test section is 407 million yuan. the starting point of the test section is ko 000, which is connected to the linhe expressway by a hub and then extends northward. straddle the proposed lanhe railway, linxia economic development zone, mansion river and g568 line to shangyinwa village, ending at pile number k3 300. this test section is constructed according to the four-lane first-class highway (fully enclosed) standard, and the design speed is adopted 80km/h, the width of the integral subgrade is 24.5m, the bridge and culvert load standard adopts highway-i level, the design flood frequency is 1/300 for extra-large bridges, and 1/100 for other bridges and subgrades. the entire line of foundation earth and stone is 2,497,300 m3, and 19.166 10,000 m3, 1917.5m/1 extra-large bridge, 985m/1 tunnel, 329.062m/1 aqueduct, 1 interchange (including 1419.92m/4 ramp bridges and 2 small bridges).