The construction of civil construction in Guangzhou Metro Line 11 exceeded 80 %

Recently, along with the roar of the rumbling, the "Hairick 555#" shield machine of the left -line shield tunnel of the Guangzhou Metro Line 11 to Rainbow Bridge (hereinafter referred to as the "Liu Cai Division") Out, marking the smooth realization of the tunnel of the interval.

It is understood that the left line of the Liucai Division Tunnel is about 1219 meters long. After the shield machine starts from Rainbow Bridge Station, it is necessary to go down to Renmin North Road, under the construction of a subway interval tunnel, Heyong Dark Canal, Beilei Theater, Liuhua Lake and and Underground comprehensive pipe galleries, etc., finally arrived at Liuhua Road Station. The surrounding environment along the interval is complicated. The minimum turning radius of the tunnel is 410 meters. The maximum slopes of the well -to -end of the well -to -end well are 42 ‰. The top of the shield tunnel is about 20-35 meters. It contains gravel powder sandstone, which is located in the area of ​​cracks. The water volume is abundant. The safety and quality control of the shield are difficult.

Because the left -line shield receiving end of the Liucai interval is Renmin North Road, and it is affected by the construction of the pile method of Liuhua Road Station, there is no hanging hole in front of the shield. It was hung up after the peace movement for nearly 28 meters.

At the same time, in order to solve the problem of poor geological conditions, the outlifiers of the starting end, and crossing the construction of the construction and the high risk of the water body risks, the subway builders have established a party building technical tackling team to promote the activities of party building and promote production. "Pulse", continuously optimize the construction organization plan, comprehensively sort out the safety risks existing in all aspects of the construction, strengthen on -site monitoring and analysis, take forward command, arrange project management personnel for 24 hours, strictly implement ground inspections and various data monitoring work, and do it. Good up and down emergency linkage, timely and efficient solution to the actual difficulties and emergencies on the scene, make full use of the shield management system to strengthen the control of the shield digging process to ensure the normal and the safety of the surrounding constructive buildings.

In response to the problem of high -end slopes and high horizontal transportation risks, in addition to conventional anti -slip methods at the construction site, a "front -back and rear gear" anti -slip device is also set at the entrance of the hole to effectively guarantee the safety of hanging operations. It has improved the efficiency of horizontal transportation and provides a strong guarantee for the smooth penetration of the shield.

As of now, the Citizenship project has completed a total of 81%of the civil construction project across the line of Line 11 (Railway Station-Pazhou-Railway Station). Of the 32 stations, 2 have been opened, 14 have been capped, 15 are under construction, and 1 of the remaining one is prepared in the preliminary preparation; 1 of the 32 interval has been built and opened, 16 have been opened, and 13 of the civil construction are carried out. Construction, the remaining 2 are prepared before construction. The construction of the Chisha vehicle section and the entry and exit section is carried out for civil construction.

Guangzhou Radio and Television All Media Reporter: Lin Xinjie

Edit: Xu Anni

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