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The Soil Stabilization System Shows Its Style Again And Helps The Construction of Huhang Expressway
2022-03-17
The Wuxing Deqing section of Huzhou Hangzhou Expressway is an important expressway project in the 13th five year plan for comprehensive transportation development of Hunan Province, and also the "one vertical" of the "three vertical and three horizontal" expressway network in the 13th five year plan for comprehensive transportation development of Huzhou City. "The implementation of this project will add a new expressway from Huzhou to Hangzhou, relieve the traffic pressure of Hangzhou, Nanjing and LIANHANG, improve the road network structure in the east of Huzhou and the expressway traffic network in the center of the Yangtze River Delta, and provide reliable traffic guarantee for the economic integration of the Yangtze River Delta and the development of Hangzhou metropolitan economic circle.
The importance of Huhang expressway is beyond words. However, due to the characteristics of Zhejiang's geographical environment and dense water network, the solidification of expressway subgrade is particularly important. According to the plan, the land passed by this bid section is mostly water depressions and farmland, which is immersed in water for a long time. Most of these soft soils are clayey soil with very low bearing capacity, so it is impossible to carry out direct construction on the surface layer. It is necessary to solidify the shallow soil first to ensure the smooth progress of subsequent construction.
At this time, the soil stabilization system in Yichen environment is of great help. As the name suggests, the system can cure soft soil in situ. First, we will select the appropriate solidifying agent according to the soil conditions of the construction site. After selection, the solidifying agent raw materials will be placed in the material tanks. According to the predetermined proportion, these raw materials will enter the control center through the pipeline for mixing and stirring to form the solidifying agent. Finally, it is transported to the power mixer through the pipeline, and the power mixer sprays the solidifying agent deep under and mixes, so as to realize the local solidification of soft soil.
Two sets of one driven two solidifying equipment and four power mixers are used in the project, with a total construction volume of about 500000 cubic meters and a solidifying depth of 3M. The base course solidified by the soil stabilization system is stable and firm with a certain bearing capacity, which can ensure the mobilization of heavy machinery for construction without settlement risk. Compared with the traditional gravel filling after desilting, the solidifying period of soil stabilization system is much shorter, which can effectively reduce the project cost. And it directly turns soft soil into treasure, saves gravel resources, conforms to the concept of sustainable development, and is a green construction method.
