It is reported that the project is a people’s livelihood project, which can shield the noise of noisy traffic and effectively solve the problems caused by Expressway noise to nearby residents.
Since the subgrade section has two-way 10 lanes and the bridge section has two-way 8 lanes, and the maximum traffic volume exceeds 150000 natural vehicles / day, the high speed and traffic flow mostly increase the difficulty of traffic dispersion.
At present, the project adheres to the work system of the leading group, combs and summarizes the daily work completion, analyzes the reasons for the uncompleted work on that day, and specifies the specific measures to improve the next step, ensuring that the 48 pile foundations in the c-axis area are completed on schedule.
In particular, the clear distance between some pile foundations and the toll station is only 1.6 meters, and other lanes need to be used for construction.
In order to fully overcome the difficulties of traffic relief and open the working face of pile foundation, the project has determined the traffic relief scheme with the main idea of “borrowing two for one on the east side and borrowing one for one on the west side” based on the actual situation of the site and through many demonstrations.
Source: China Railway 15th Bureau Group Urban Rail Transit Co., Ltd.
Many construction problems run through the whole construction process.
Before starting the pile foundation construction, traffic relief must be completed.
The site is narrow, and the high-altitude steel structure hoisting and plate installation are dangerous.
At the same time, 1246 warning signs, signboards, road blocks, traffic cones and other items were set up within 2000 meters of the traffic relief area, successfully completing the phase I traffic relief task.
Recently, with the successful pouring of pile 25-2 of axis C in the enclosed area of the central divider of Guangzhou North 2nd Ring Expressway, the urban rail company of China Railway 15th Bureau Group has created the first record of building a fully enclosed sound barrier on the two-way 10 Lane operating Expressway in China.
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In the process of traffic diversion, they actively coordinate with the local traffic police department to release traffic diversion information through the local media platform in advance.
At the same time, the traffic diversion will change the existing traffic pattern of the expressway and some nearby roads, affect the travel of the citizens, and have a large social impact.
The project is located in the section of Baoli Luolan community, North 2nd Ring Expressway, Luogang sub district, Huangpu District, Guangzhou.
the overall design length is 480m, and the construction period is 233 days.
It is generally north-south, divided into two parts: Road section and bridge section, including five construction areas a, B, C, D and e.
