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Latest Update! Construction Commenced on the Fuxing Avenue Integrated Utility Tunnel Underpass the Jingxiang River
Updated: 2019-11-07 17:21:18

On September 30th, the Jingzhou Fuxing Avenue project,which was sponsored by China Energy Construction Gezhouba Group, successfully heldthe trial opening to the public. Recently, the Xingang Avenue to ShanghaiAvenue section of Fuxing Avenue has been stepped up on road engineering andintegrated utility tunnel construction, in which the utility tunnel underpass theJingxiang River is also a key node.

The on-going integrated utility tunnel underpass the JingxiangRiver locates on the south side of the south auxiliary road section of JingxiangRiver Bridge, forming an angle of 60 degrees with the river channel. Theaverage excavation depth of the utility tunnel pit is 12 to 14 meters, the surfaceof river channel is about 60 meters wide, the river bed elevation is 25.973meters, the normal water level is 29.340 meters, and the dyke elevation is33.610 meters.

Based on field investigations and the panel discussion onthe design plan, the scheme of building tunnels through cofferdams is finallyadopted by the engineers, which means that dike cofferdam for drainage will beconducted first, leading the river water to one side of the channel, excavationwill be carried out only after the foundation pit is finished, and the structuralconstruction of the utility tunnel will be conducted in the end. Theconstruction of one side of the utility tunnel will begin after the completionof the other side in cofferdam construction, and the construction risk iseffectively reduced by rational adjustment on the design plan. The constructionof the integrated utility tunnel will also fundamentally solve the resourcewasting and negative impact on transportation, production and people's livescaused by frequent excavations.

It is understood that the integrated utility tunnel orthe urban underground integrated utility tunnel, is to construct a tunnel spacein the underground of the city through unified planning, unified design and unifiedconstruction, and integrating various engineering pipelines such as pipelinesof electricity, communication, gas, heat supply and drainage. Specialinspection ports, lifting ports and monitoring systems will be built, which areimportant infrastructures to safeguard the operation of the city.


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