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Nearly 50% of the civil works have been completed, and there are still many challenges to be overcome along the line.
“Synthetic resin sleeper has the advantages of light weight, deformation resistance, corrosion resistance and high degree of industrialization.
The whole line is laid underground, with a total length of 37.6 kilometers.
The Yangcheng Evening News all media reporter learned at the first paving ceremony that the “scattered paving method” will be used for the construction of track beds and turnouts in the parking lot in the south of the University City, in which all turnout sleepers adopt synthetic resin sleepers, and the ballasted concrete sleepers adopt the method of embedded casing for screw spike anchorage.
Among the 24 sections, 3 sections are connected, 11 are for civil construction, and the rest are for preliminary preparation.
The shield along the whole line also needs to overcome more complex geological risks (such as mining areas, fault zones), and penetrate many important buildings and water bodies, such as the main channel of the Pearl River and important railway trunk lines in karst areas for the first time.
Among them, medium damping (double-layer nonlinear damping fastener) is 14.9 km; High vibration reduction (trapezoidal sleeper) 14.6km; Special vibration reduction (steel spring floating plate) 11.3 km.
It is an X-shaped diagonal structural backbone line from the middle northwest to the southeast, connecting Tangxi railway station.
Luo Yang, senior project manager of the Fifth Construction Management Department of Guangzhou Metro Construction Management Co., Ltd., said that up to now, 45% of the civil works of metro line 12 have been completed.
Workers are installing buckle fittings.
As the line needs to cross the urban area, in order to reduce the impact of subway operation on citizens’ lives and improve passengers’ sense of ride experience, subway line 12 has set up medium vibration reduction, high vibration reduction, special vibration reduction and other measures in the existing residents, schools, hospitals and other sensitive points along the line.
The civil construction of chatou depot and entrance / exit line, the parking lot in the south of University City and the entrance / exit line will be carried out, and the track project will be formally constructed.
It undertakes the traffic links among five clusters in Baiyun District, Yuexiu District, Haizhu District, Huangpu District and Panyu District, effectively alleviates the traffic pressure in the central area, strengthens regional links, and fills the gap of regional rail transit.
Yangcheng Evening News all media reporter learned from Guangzhou Metro that at present, there are still many construction problems to be solved along the whole line of metro line 12: for example, the construction land, green relocation and road occupation of stations in the central city have not been completed, and some stations have not been fully constructed.
Workers are carrying out track fine adjustment.
It is a high-quality sleeper application material.” Bidong, the project leader and executive deputy manager of Guangzhou Metro Line 12 track project of China Railway First Bureau, introduced that at the same time, the construction process of embedded casing anchoring method is simple and easy to operate, which solves the environmental hazards and possible human damage caused by sulfur anchoring in the past.
It is reported that line 12 (xunfenggang – South of University City) is one of the key lines in Guangzhou.
On the morning of July 27, the first laying ceremony of Guangzhou Metro Line 12 was successfully held at the track laying base of the parking lot in the south of the University City, marking the official entry of the line into the construction phase of the track project.
Of the 25 stations, 9 have been capped, 15 are under civil construction, and the remaining 1 is under preliminary preparation.
Metro Line 12 (xunfenggang – South of University City) is one of the key lines in Guangzhou.
The track project of Guangzhou Metro Line 12 was successfully paved.
