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Projects
Supervision Project of Yixing Side Section of Wuxi Mashan-Yixing Zhoutie Section of 341 Provincial Highway

Currently the longest trunk highway lakebed tunnel under construction in China, with a total length of 7.81 km and a total underwater length of 5.093 km, constructed using the method of open excavation of cofferdam. The unit volume of the project is large, the total investment of single bid section is up to 3 billion yuan, the total amount of concrete is up to 600,000 m3, and the consumption of reinforcement is up to more than 100,000 tons.


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Main Work Undertaken

With rich experience in supervision and large-scale comprehensive pipe gallery on mountain tunnels, JSTI practices the concept of high-quality development, adheres to the objective of customer satisfaction and the goal of safety, quality, efficiency and integrity, serves customers and ensures the smooth closure of cofferdam.

 

Innovation Points

The open-excavation lakebed tunnel project adopts the open excavation of cofferdam and backfilling after completion, with large scale and high requirements.

 

Achievements

The project won the provincial “Demonstration Project” for safe construction site construction of highway and water transport project in Jiangsu Province in 2022. 

2022 Jiangsu Province Ping’an centennial “Quality Engineering” demonstration and up-to-standard project.


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