New progress has been made in the construction of many transportation infrastructure projects.

New progress has been made in the construction of many transportation infrastructure projects.

September 27, 2023

The golden autumn season,It is the golden period of engineering construction.。The reporter learned,With the steady progress of construction,,New progress has been made in the construction of many transportation infrastructure projects in many places.。

In Heilongjiang,Construction site of No.2 Super Major Bridge of Hayi High-speed Railway,With the last one weighing 715 tons,、The 32-meter-long box girder is hoisted to the designated position.,The beam erection construction of Tieyi Section of Hayi High-speed Railway has been completed.。

According to Yang Xushu, the project manager of China Railway 22 Bureau.,Ha-Yi High-speed Railway from Harbin to Tieli、Tieli to Yichun section,It is the northernmost high-speed railway under construction in China.,It is also the first high-speed railway crossing the permafrost region in China.。The first project of Tieyi section is under construction.,Preparation of special construction scheme by project team,Overcoming soft soil roadbed、Frozen soil roadbed and many other technical problems,It has accumulated valuable experience for the construction of high-speed railway in permafrost areas in China.。

In Xinjiang,Clockwise rotation after 90 minutes,The largest swivel bridge in Xinjiang constructed by CCCC Second Highway Engineering Co., Ltd.——Yanbei Viaduct of East Second Ring Road in Urumqi Successfully Completed Rotation。At this point,The East Second Ring Road of Urumqi is fully connected。

According to Zhang Bo, the project manager of CCCC Second Highway Engineering Co., Ltd.,Crossing Lanzhou-Xinjiang Railway on Yanbei Viaduct,The swivel section weighs 16500 tons.。In the process of rotation construction,The project team uses intelligent traction equipment to monitor the rotation in real time.、Adjust the turning speed,Finally, the swivel bridge is 77 degrees in the air.“Turn around”。

In Inner Mongolia,The Jitong Railway Electrification Reconstruction Project, which was constructed by China Railway Electrification Bureau, was successfully closed by the continuous girder of Jingpeng Bridge.,This is also the first super-large bridge in the whole line of the project to realize the closure of continuous beams.,Important progress has been made in project construction.。

Jitong Railway starts from Wulanchabu City in Inner Mongolia in the west.,East to Tongliao City,Yes“Transportation of Mongolian coal to the east”An important energy channel.。According to Wang Xiaowei, deputy chief engineer of China Railway Electrification Bureau.,The Jingpeng Bridge is about 2374 meters long.,It crosses National Highway 303,It is one of the key and difficult projects of Jitong Railway.。

In Jiangsu,The first three sections of the Shanghai-Suzhou-Huzhou Railway Station, which was constructed by the 19th Bureau of China Railway, successfully completed the 979 box girder erection task in the section.,It marks the completion of the erection of box girders in Jiangsu and Zhejiang sections of the Shanghai-Suzhou-Huzhou Railway.,Lay a solid foundation for the next ballastless track construction。

According to Zou Deyu, project manager of the 19th Bureau of China Railway,Shanghai-Suzhou-Huzhou Railway starts from Hongqiao Station in Shanghai.,It passes through Suzhou City, Jiangsu Province,To Huzhou Station, Huzhou City, Zhejiang Province,Total length of main line is about 163.8 kilometers,The design speed is 350 kilometers per hour。After the project is completed and put into operation,It will further improve the layout of the Yangtze River Delta regional road network.,Effectively relieve Shanghai and Nanjing、Transport pressure of Shanghai-Hangzhou railway corridor。

In Zhejiang,The Bijia Tunnel of Jinjian High-speed Railway, which was constructed by the 24th Bureau of China Railway, was successfully completed.,Marking Kim(Hua)Build(De)Another node project of high-speed railway has made important progress.。

Jinjian High-speed Railway is about 64 kilometers long.,It is part of the national express railway network.“Huangshan to Jinhua”An important part of the railway corridor。According to Zhang Weijian, the project manager of the 24th Bureau of China Railway.,Bijia Tunnel connects two county-level cities, Lanxi and Jiande.,The total length is about 560 meters.。Under construction,Facing the challenge of many changing sections of tunnel surrounding rock,Builders adopt advanced geological forecast and early warning,Strengthen the frequency of monitoring and measurement of surrounding rock,Ensure smooth and efficient tunneling。

In Hubei,The Xiangbei Marshalling Station Bridge constructed by the 11th Bureau of China Railway was successfully opened to traffic.,It marks the official opening of the first phase of Xiangyang Ring Line Speed-up Reconstruction Project.。

According to Guo Jinyong, chief engineer of the 11th Bureau of China Railway,Xiangbei Marshalling Station Bridge is a hybrid girder cable-stayed bridge with double towers and double cable planes.,The main bridge is 920 meters long.,The total length of the part crossing the railway station yard is 520 meters.,Crossing 32 tracks of the railway,It is the largest hybrid girder cable-stayed bridge across railway lines in China.。

In Chongqing,Nanzhushan Tunnel No.1 Hengdong to Tunnel Entrance Section of Chongqing-Qianjiang Section of Chongqing-Hunan High-speed Railway, constructed by the 18th Bureau of China Railway, runs through safely。Nanzhushan Tunnel is 10794 meters long.,It is one of the key and difficult control projects of the whole line.。

According to Fu Luojing, project manager of the 18th Bureau of China Railway,The total length of the section is 1480 meters.,Full gas tunnel。Under construction,The project team strictly carries out the management of the gas work area,Implement 24-hour automatic gas monitoring,Escort the tunnel construction。

In Yunnan,The South America to Mengding section of Linqing Expressway, which was built by the 15th Bureau of China Railway, was completed and opened to traffic.,To lay a solid foundation for the early completion and opening of Linqing Expressway。Linqing Expressway is an important section of the planned Kunming-Lincang-Gengma-Qingshuihe Expressway.,The total length is about 156 kilometers.,It is one of the major international channels for Yunnan's exit.。

According to Wen Liangliang, the project manager of China Railway 15th Bureau,Under construction,Builders strictly control safety、Quality clearance,Especially in the construction of Majiazhai Tunnel, which is an extra-long tunnel of the whole line.,For mud burst、Water gushing、Vault settlement and other geological hazards,Prove the underground water and unfavorable geological conditions in the tunnel in time,Effectively reduce security risks,And that construction efficiency is improve。

In Guangdong,As the last piece of roof concrete is poured,The main structure of Pingdi parking lot of Shenzhen Metro Line 3 Phase IV Project, which was constructed by China Railway 16th Bureau, was officially capped.。After the completion of the parking lot, it will provide train parking for Shenzhen Metro Line 3.、Services such as inspection and preparation work。(Reporter Fan Xi and Han Jianuo)

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