CHONGQING (CQNEWS) -- On February 9, according to the Municipal Housing and Urban-Rural Construction Committee, Chongqing Rail Transit (Group) Co., Ltd. and Chongqing Development and Investment Railway Group, it was reported that all the rail transit projects under construction in our city have been resumed and the construction acceleration mode has been started.

Phase I of CRT Line 15: Strive for the connection between Liangjiang Dadao Station and Fusheng Station

At 9: 00 a. m. on February 9, at 38 meters below the ground in the section between Liangjiang Dadao Station and Fusheng Station of Phase I of Chongqing Rail Transit Line 15, along with the rotation of cutter head of Giant TBM (shield tunneling machine), the hard rock mass in front was rapidly broken and the rear tunnel was formed.

“This section is at a critical stage of construction in the middle and later stages." He Xuemei, the responsible person of China Railway Engineering Project, said that after the resumption since the Spring Festival, the project implemented the construction plan of “people stop without machine stopping in 24 hours”. The average speed of the left and right lines was 21.6 meters per day, and the right line was advancing towards the goal of connecting in the middle of March and the left line in the end of March.

Phase I of CRT Line 15 is the first urban rail express line in the central urban area of Chongqing. The project starts from East Jiuquhe Station and ends at Liangjiang Yingshicheng Station. The total length of the line is about 39km, with a maximum speed of 140km/h, and there are 14 stations along the line. After Phase I and Phase II of the Project are opened to traffic, the three centers of Xiyong, Liangjiang and Longsheng will be directly connected, which will greatly alleviate the congestion of the central trough and accelerate the development of the eastern trough.

Phase I of CRT Line 24: Weave safety "protective net"

On the afternoon of February 8, more than 20 mechanical equipment shuttled back and forth at North Lujiao Station of Phase I Project of Chongqing Rail Transit Line 24, and the formwork removed during construction was neatly placed on both sides of the site. Construction workers on site are orderly carrying out the installation of reinforcement of the main structure of the station, waterproofing of the bottom plate, steel enclosure and foundation pit.

"The project is fully promoting the excavation and support of the station foundation pit and the construction of the main structure, and the scene for large construction has been formed." Wu Yangbo introduced, Secretary of Party Branch of CRT Line 24 Phase I Project of China Railway 20th Bureau. In order to ensure the smooth arrival of the construction personnel, the Project Department has contacted the returning vehicles for them in advance, booked the return tickets, and cleaned the water supply and power supply equipment, canteen, shower room and toilet in the living area of the workers.

At present, more than 80% of earthworks have been completed at North Lujiao Station, and construction workers are “striving for” the target of capping the station in August this year. According to the relevant responsible person of the Municipal Housing and Urban-Rural Construction Committee, such stations as Kuangjiatang Station, Zhuyuancun Station, Dilongwan Station, Chafulu Station, Yinglong Station, North Shangmaocheng Station and Guangyangwan Station of Line 24 have also entered the main construction stage.

Phase I of CRT Line 24 is one of the backbone lines in the rail transit construction network, as well as an important public transport vein of Guangyang bay smart Intelligent Eco – City. It starts from North Lujiao Station and ends at Guangyangwan Station. After the project is completed and opened to traffic, it will effectively improve the north-south transportation capacity of rail transit, enhance the radiation scope of Chongqingdong Railway Station, strongly support the regional development of Guangyang bay and meet the development demand of eastern trough.

CRT Line 27: The station will enter the main construction at the end of March

In the afternoon of February 9, excavators and drilling machines were digging rock and soil at the construction site of shield launching well of CRT Line 27 of Nanbin Road.

In the underground shaft with 29m length and 30m width, the construction workers have completed 42m of excavation, and are pushing forward the construction of the last 40m with all efforts to start the shield machine here in the second half of this year.

There is the first urban rail transit tunnel of Chongqing in CRT Line 27. It crosses the Yangtze River in the form of cross-river tunnel between Chongqing Railway Station and Nanbinlu Station, with a total length of 3.2 km, of which the underwater tunnel section has a total length of 802m. The shaft under construction is the starting passage for the shield tunneling machine to cross-river tunnel.

"On the 7th day of the lunar New Year, all the personnel shall have been on duty, and they will return to work in an all-round way in 8th day of the lunar New Year. When the work resumes, the team will directly enter the state for large construction." Zhang Haitian, the Party Branch Secretary of CRT Line 27 Project of China Railway First Group Co., Ltd. in charge of construction, said that there are more than 200 people in the Project Department working hard at the construction site.

According to the introduction, the total length of CRT Line 27 is about 52 km, with 14 stations, and it spans three troughs in the east-west direction of the metropolitan area of the main city. After completion, it will support the development of the business circles and population gathering areas such as Shapingba, Daping, Nanping, Chayuan and Daxuecheng along the line, which improves the travel efficiency along the line. (Translated by Zhang Kang, Fathom Language Limited)