Overcoming Difficulties and Building Meritorious Service in Chengdu -- Three-three Industrial Chengdu Project to Achieve Another Success


Steady excavation when the pioneer, the city subway to make a new contribution.
On January 17, the shield section of the right line of Zhangjiasi Station-Zhonghe Station, Bid 14 of Civil Engineering of Chengdu Metro Line 6 1. Phase II Project of San San Industry, was successfully completed.
This bid section is contracted by North Railway Construction Engineering, a wholly-owned subsidiary of Sansan Industry. The shield machine is 6.28 meters in diameter from Sansan Industry. It has two stations and three sections, with a total length of 2164 meters. More than 70% of the stratum is a composite stratum, which is difficult to excavate and is easy to cause collapse. The maximum longitudinal slope is 28.5 ‰. Finally, a high-quality project with accumulated settlement of all risk sources not exceeding 3mm and almost no damage and leakage of the formed segment was obtained, and the tunnel joint was completed ahead of schedule.
Although Shu Road is difficult, there are three or three industries in me, Rongcheng is crucial, and there are north railway construction workers in me.
 
 
 
 
 
 
 
 

Key words: