Hengyong Expressway Project
Release time:
2024-06-07
Hengyang-Yongzhou Expressway is located in southern Hunan Province. It starts from Yumushan Town, Zhengxiang District, Hengyang City in the east and connects with G0421 Xu-Guang Expressway. It intersects with G55 Erguang Expressway through Hengnan County, Qidong County, Qiyang County and Lengshuitan District, Yongzhou City, and connects with the planned Yongzhou-Lingling Expressway. The main line adopts the two-way four-lane highway standard with a design speed of 120 km/h, the roadbed width is 26.5m, and the design vehicle load level is highway-I. In order to popularize and apply the bio-enzyme soil composite curing technology on a large scale, to eliminate large amounts of red sandstone, and to improve the bearing capacity and sealing effect of the transition layer between subgrade and pavement, through repeated experiments and design checking by the design unit, it is proposed to adopt bio-enzyme soil composite road mattress layer and pavement bottom base layer in the sections of K 0 700-K 5 080, K 28 990-K 31 800, and LK 0 000-LK 4 504 of the connecting line of Tan Zishan of the connecting line of the connecting line of the project, maintain the original design of the structural layer thickness. Namely: 20cm bio-enzyme soil composite solidified cushion and 20cm bio-enzyme soil composite solidified subbase.
On-site construction drawings are as follows:
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