Greater efforts should be made to build a modern transportation infrastructure system.，This year, Jiangsu will ensure that 220 billion yuan will be invested in transportation infrastructure construction.。With“Networking、Mend the net、Strong chain”Focus on，Continue to expand effective investment，Strive to improve the efficiency of comprehensive transportation network，Since the beginning of the year，A large number of major projects have been accelerated.。
From March 12，Reporters visited the construction sites of several major transportation projects in the province.，The builders are full of energy.，Everywhere is in full swing。
Railway construction is in full swing.
At present，Track laying is being carried out on the Shanghai-Suzhou-Huzhou Railway，Track laying of the whole line is expected to be completed by the end of June.，Then turn to static acceptance.、Joint commissioning and test stage，It will be ready for operation by the end of this year.。At the same time，North Riverside High-speed Railway、Tongsu-Jiayong High-speed Railway、Ninghuai Intercity Railway、Shanghai-Suzhou-Nantong Railway Phase II、Weisu high-speed railway、Projects such as Shangyuanmen River-crossing Passage are advancing at full speed synchronously.。
Facing the warm spring breeze.，Walk into the construction site of Suzhou South Railway Station，I saw a fiery scene.，In the roar of the machine，The workers are busy.。
“This year is the closing year of the construction of Suzhou South Railway Station.，To ensure progress，More than 1000 workers in the project department quickly assembled after the Spring Festival.，Everyone devoted themselves to construction in a full state of mind.，Multiple types of work、Multi-area cross operation、Synchronous construction。”Wang Jianzhao, Chief Engineer of Underground Space of Suzhou South Railway Station of China Railway 14th Bureau, introduced.，The interior space of Suzhou South Railway Station is divided into four floors.：The lowest level is the Shuixiang Tourist Line Intercity Railway.，Construction has been completed；The second floor is a sunken Plaza.，Underway of main structure floor、Roof construction；The third floor is the Shanghai-Suzhou-Huzhou Railway.，Track laying operation is in progress.；The fourth floor is the Su-Jia-Yong Railway.，Construction is expected to be completed in May。
At present，The construction of high-speed railway along the North Yangtze River has been accelerating.。“Before the Spring Festival，We have completed the erection of 67 beams.，Since entering the arena after the festival，The workers immediately threw themselves into the construction task of the new year.，At present, the construction of girder erection has been carried out steadily.。”Cheng Huaizhi, head of the beam erection branch of the Shanghai-Nanjing section of the North Riverside High-speed Railway of the 11th Bureau of China Railway, said.，“347 box girders are planned to be erected this year.，The team will keep improving the quality.，Safe and smooth、Complete the beam erection task of the bid section orderly and efficiently。”
Total Investment of the First Three Bids of Shanghai-Nanjing Section of North Riverside High-speed Railway 33.4.4 billion yuan，The main construction contents include the main line 20 of the bridge project.47 kilometers，Subgrade engineering 2.56 kilometers。“Since March，Daily pouring of 1500 cubic meters of concrete。At present, the bridge pile foundation project has been completed more than 70%，The completion of bearing platform is about 50%，Subgrade works completed 35%。”Wang Xue, Secretary of Beiyanjiang Third Bid Project Department of China Railway 24th Bureau, introduced.，On this schedule，Box girder erection in June this year，Bridge pile foundation and subgrade works will be completed by the end of the year.，It is expected that the girder erection will be completed in June 2025.。
Shanghai-Suzhou-Nantong Railway Phase II，From Taicang Station，End at the Fourth Regiment Station，It is the national medium and long-term railway network planning.“Eight vertical and eight horizontal”An important part of the coastal corridor in the high-speed rail network。“At present，Daily concrete pouring of the project is 1100 cubic meters.，Bridge bored piles completed 80%，Bridge cap completed 50%，The total construction period is 30%Left and right。”Qian Jing, Secretary of the Party Branch of Shanghai-Sutong Railway Project Department of China Railway 24 Bureau, said.，By the end of this year，80% of the subgrade works to be completed%、80% of bridge engineering%，Ensure smooth erection of main line precast beam，It is expected that the main structure of the bridge and subgrade will be completed in the first half of next year.。
The construction of river-crossing channels is changing with each passing day
Since last year，Ten river-crossing channels in the province are under construction at the same time.。On schedule，The Longtan Yangtze River Bridge will be completed this year.，Strive to build Xianxin Road River-crossing Channel。At present，Changtai Yangtze River Bridge、Zhang Jinggao Yangtze River Bridge、Jiangyin Jingjiang Yangtze River Tunnel、New progress has been made in the construction of Haitai Yangtze River Tunnel and other projects.。
At“The First Tunnel of the Yangtze River”Construction site of Haitai Yangtze River Tunnel，Orderly operation of workers and machinery Vehicles。“The construction of the enclosure structure of the foundation pit of the Jiangbei section of the tunnel has been completed.，Earthwork excavation is being speeded up.、Steel support erection、Construction of main structure，Provide favorable conditions for the entry of subsequent Shield Machine。”Cui Jia, deputy director of the Haitai Yangtze River Tunnel Construction Command of the Provincial Communications and Construction Bureau, said.，It is expected that all the main structures of the foundation pit in Jiangbei section will be completed by the end of the year.，As well as the construction of all the enclosure structures of the Jiangnan section of the foundation pit。
Changtai Yangtze River Bridge Construction Has New Changes Every Day，Two 350-meter-high“Diamond type”The bridge tower stands in the middle of the Yangtze River.，Under the blessing of the tower.，Stay cable、The steel trusses form two huge“Umbrella”，As if suspended above the Yangtze River.，Very spectacular。“The main channel bridge is carrying out the hoisting of large segment steel truss girder and the hanging of stay cables.。”Li Zhen, Field Commander of Changtai Yangtze River Bridge Construction Command of Provincial Communications and Construction Bureau, introduced，This year, the whole bridge will be closed.，Develop the pavement、Traffic safety、Electromechanical、Construction of ancillary works such as greening。
At the construction site of the north approach bridge of Longtan Yangtze River Bridge，Machine sound、The clatter of metal instruments is heard everywhere.。On the river，The cross-cable crane powerfully lifts the steel box girder to the position of the sling，The hoisting construction of the steel girder of the main bridge was carried out smoothly.，Step by step towards the goal of building this year。
“The hanging beam is a key link in the construction of the superstructure of the bridge，It requires precise construction monitoring and skilled operation.。”Hu Yao, on-site commander of the Longtan Yangtze River Bridge Construction Command of the Provincial Communications Construction Bureau, said.，Now everyone is full of energy.，On the premise of ensuring safety and quality，Catch up with the schedule、Speed up the progress。At present，The north approach bridge of Longtan Yangtze River Bridge is undergoing steel girder welding and bridge deck erection.，The south approach bridge is undergoing the installation of ancillary works.。The main bridge enters the second stage of steel box girder hoisting，Bridge closure is expected to be achieved in April。
March 13，Construction Site of No.3 Main Pylon Pier of Chongqi Changjiang River Rail-cum-Road Bridge，The workers are binding the steel bars of the bearing platform.，Prepare for the concrete pouring of the first layer of bearing platform before the end of March。This marks the construction of the Chongqi Highway and Railway Yangtze River Bridge by the China Railway Bridge Bureau.、After the completion of the construction of the bottom sealing of the steel cofferdam for the two main piers of No.4，Double main pylon piers on water enter the construction stage of bearing platform。
Highway construction“Spring”Speed up
March 12，On the West Bank of Taihu Lake, Yixing City, Wuxi City，The longest tunnel under the lake of trunk highway under construction in China——Construction site of Zhushan Lake Tunnel in Yixing Section of Provincial Highway 341，The workers are busy finishing the roadbed.、Ancillary works such as drainage and pavement，A busy scene。
Zhushan Lake Tunnel underpasses the waters of Zhushan Lake on the west side of Taihu Lake.，The total length is about 7.81 kilometers，It is constructed according to the standard of two-way six-lane first-class highway.，It is the control node project of the whole line.。“Grab the time、Report the progress，At the beginning of the year, the battle achieved remarkable results.。”Li Shiquan, Executive Deputy Manager of 341 Provincial Highway Project of China Railway 16th Bureau, introduced，“At present, the main project of the tunnel has been basically completed.，The construction of ancillary projects is progressing in an orderly manner.，We will further optimize the construction process.，Continuously strengthen the project progress、Quality、Security management，Ensure that all construction tasks are completed in the first half of this year。”
At the construction site of the expansion project of Lianhuai section of Changshen Expressway，North Liutang River、Steel Truss Hoisting of Shanhou River Bridge in Good Order，The pavement construction of the whole line is being carried out intensively.，More than 2000 builders have been involved in a new upsurge of hard work.。“At present, the soft foundation treatment of the whole line has been basically completed.，On-site installation of precast beams, slabs and steel structures of new bridges has been carried out one after another.，Gradually transfer from substructure to superstructure construction stage。”Liu Fa, Executive Deputy Commander-in-Chief of Beijing-Shanghai-Lianhuai Expansion Project Construction Command of Provincial Communications and Construction Bureau, introduced，“When we reverse the order of progress.，Carry out construction tasks in stages，Promoting the Construction of Lianhuai Expansion Project with Safety, Quality and Efficiency。”
Erection of Precast Box Girder of Bridge No.1、Assembly of No.2 high and low gantry、CrossS229 Girder erection construction……Right now，The construction sites of Jishi Bridge, the expansion project of Pingguang Section of Shanghai-Shaanxi Expressway, are constantly advancing.。“At present, Nantong section is speeding up the construction of asphalt pavement.，Taizhou Section Accelerates Bridge Engineering、Construction of pavement base course and asphalt surface course。”Jia Peng, Executive Deputy Commander-in-Chief of Pingguang Section Expansion Project of Shanghai-Shaanxi Expressway of Provincial Communications and Construction Bureau, said.，“We will have high standards.、Control the construction quality and safety of the project with high requirements，Make every effort to achieve the goal of completing the whole line within the year。”
Construction site of Yangkou Port to Rudong Section of Yangzhou-Nantong Expressway，The workers are earthing up the road shoulder.、Filling in the middle zone、Construction of auxiliary works such as water retaining belt slipform and greening。“The project is about to enter the construction stage of asphalt pavement paving.。”The site manager of the project headquarters said.，“The project is being constructed around the asphalt surface of the pavement.、Housing construction and decoration、Traffic safety engineering、Greening project、Three major systems and other key nodes to tackle key problems。”
“This year, it plans to complete an investment of 42.7 billion yuan.，Build the Jianhu-Xinghua section of Fu-Li Expressway、Expansion of Pingchao-Guangling Section of Shanghai-Shaanxi Expressway、Sucheng-Sihong Section of Yanluo Expressway、Five projects from Yangkou Port to Rudong District of Yangtong Expressway。”Provincial Communications Construction Bureau staff said.，At the same time，Accelerating the Lianyungang-Huaian Section of Changshen Expressway、Expansion projects of Taicang-Changzhou section of Shanghai-Wuhan Expressway，Xuwei-Guanyun Section of Lian-Su Expressway、Nanjing to Yancheng、Construction of 15 projects such as Dongtai-Xinghua Expressway；Construction of the expansion project from Guangling Hub to Jingjiang Hub of Beijing-Shanghai Expressway、Guanyun-Shuyang Section of Lian-Su Expressway、Wuxi to Suzhou Section of Xitai Expressway、Ruchang Expressway Huangqiao-Taixing Section and other 4 projects，Strive to start construction of the second river crossing project of Sutong.。（Mei Jianfei and Tian Mochi）
Source：Xinhua Daily·Intersection
