The project construction of CHONGQING CITY TRANSPORTATION DEVELOPMENT & INVESTMENT GROUP CO.,LTD has run out of "acceleration", high-quality development has entered the "fast lane", and there is good news recently on the east extension of Metro Line 6 and Urban Rail Express Line 15 Come.

East extension of Metro Line 6

The east extension project of Metro Line 6 is located in the Nan'an District Chayuan Group. The line starts from Chongqing East Station and ends at the existing Liujiaping Station, with a total length of 6.79 kilometers. There are 4 stations on the whole line: 2 new underground stations and 1 elevated station, namely Chongqing East Station, Changsheng Laojie Station (formerly Changsheng Road Station), and Baileyuan Station, and 1 elevated station is rebuilt as the existing Liujiaping Station; Among them, there are two interchange stations, Chongqing East Railway Station is interchanged with Line 8 and Line 24 and Line 27 under planning, and Liujiaping Station is interchanged with Line 20 under planning.

Liujiaping Station, the station has entered the construction stage of the main structure

Baiyuan Station, the station has entered the stage of foundation and foundation construction, and the bottom of the station platform and fire pool is being cleaned

Changsheng Old Street Station, the station is undergoing foundation pit excavation and support construction

In the section from Chongqing East Railway Station to Changsheng Old Street, the open-cut section of the section has entered the construction stage of the main structure

In the section from Baiyuan Station to Liujiaping Station, the open-cut section of the section has entered the construction stage of the main structure

The east extension project of Chongqing Metro Line 6 is located in the tea garden group, and it is connected with the operating part of Line 6 to the tea garden group and the central area. After the project is opened to traffic, it can promote the development of tea garden groups. At the same time, the line is connected with Chongqing East Railway Station, which can improve the transportation supporting capacity of Chongqing East Station's external transportation hub and form the most convenient, efficient and important passenger flow channel.

Metro Line 15

The second phase of the Urban Rail Express Line 15 starts at Zengjia Station and ends at Jiuqu East Station of the first phase of Line 15. The line is 32.8 kilometers long, with 11 stations and a maximum operating speed of 140 kilometers per hour.

The enclosure piles of the open cut section of the Zhangjiawan vehicle base passed the first piece of acceptance

Recently, the retaining piles of the open excavation section of the entry and exit line of the Zhangjiawan vehicle base of the 15th civil engineering project successfully passed the first piece of acceptance. The enclosure structure of the open-cut section of the access line section of the Zhangjiawan Vehicle Base adopts bored piles + steel supports and rock shotcrete anchors for support.

Chenjiaqiao Station completed the pouring of the first floor

On April 7, Chenjiaqiao Station of Civil Engineering No. 13 successfully completed the concrete pouring of the first section of the floor, which opened the prelude to the construction of the main structure of the station. The bottom plate of this construction is 20.4 meters long and 30.8 meters wide, and 644 cubic meters of concrete is designed to be poured.

Zengjia station floor pouring completed

On April 8, the pouring of the last section of the bottom slab of the Zengjia Station of the 12th civil engineering project was successfully completed, and the construction of the main structure project achieved phased results. Zengjia Station is located on the west side of Weimin Square, and is laid along the South Road to the north. It is a three-story open-cut island-style station.

Zhongliangshan Tunnel exit achieves 100-meter breakthrough

On April 8, the double-track excavation of the single-hole single-track at the exit of the Zhongliangshan Tunnel began. The total length of the double-track is 1,650 meters. It has laid a solid foundation for the follow-up big mileage, small mileage and Zhongliang Mountain.

The third "Iron Army No. 1" TBM set off again

On April 12, the third "Tiejun No. 1" TBM shield machine of the second phase of Line 15 started smoothly on the left line of the section from the North Station of the Logistics Park to Jingkou Station of the 16th Bid, and entered the shield tunneling section from the North Station of the Logistics Park to Jingkou Station construction stage. The TBM starting section of "Tiejun 1" is the left line of the TBM section from the North Station of the Logistics Park to Jingkou Station, with a total length of 1979.78 meters.(Source: CHONGQING CITY TRANSPORTATION DEVELOPMENT & INVESTMENT GROUP CO.,LTD )