Rapid Construction of Subgrade Slope and Greening of Expressway
With the increasing awareness of environmental protection and observe the red line for arable land strictly,how to realize the rapid construction of roadbed slope and afforestation attracts more and more people's interests.Taking the Weifang connecting line pro-ject of Weifang-Rizhao Expressway as an example,according to different geological conditions,this paper explores the rapid construc-tion method of earth-filled subgrade slope and different rock-cut slope,and realizes rapid greening.Practice shows that compared with the traditional roadbed slope construction method,the drawing roadbed slope formwork method adopted in this project can reduce the average cost by 5 000 yuan per 1 km roadbed and save 1 day of work efficiency.Different rock cut slopes can be rapidly constructed by means of excavation method according to local conditions.On this basis,rapid greening protection of slope can be realized.
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