The whole line is through!Jingtai Highway Jitai Duan Laoshan Viaduct He Longlong

Author:China Construction Eighth Bure Time:2022.07.26

July 16th

With the last couple of continuous beams, the pouring is completed

Construction from the Eighth Bureau of China Construction

Jijitai section of Jingtai High Speed ​​Expressway

The longest overpass across the board

——Lianshan Viaduct Heilong

It marks that the project completes all breakpoint construction

Left and right double -range realization

Entering the countdown throughout the traffic

The total length of the Jitai section of the Beijing -Taiwan high -speed speed is 53.264 kilometers

Use two -way eight -lane standards

Design speed is 120km/h

It is the first domestic "six reforms and eight" national highway highways

("Guo Gao.com" from 7 capital radiation, 9 north -south longitudinal lines

18 east -west horizontal lines, referred to as "7918 net")

The Ministry of Transportation's first batch nationwide

"Demonstration Project of Ping An Centennial Quality Project"

The longest over bridge across the line

1058 meters in length of Laoshan Viaduct 1058 meters

Split left and right

Total 10 couples 40 cross

It is the longest over bridge in the entire line

Total design pouring square meters of 2.75 million cubic meters

Follow -up, plan in advance

Jitai section of Jingtai High Speed ​​Expressway is large

Difficulty of reconstruction and expansion of construction traffic organizations

The Laoshan Viaduct is demolished in the process of demolition

Project preparation plan

Actively coordinate with the local transportation department

Ensure that the construction is smooth

Facing a big problem of high modeling projects

The project can do a good job in the high -decoration regional ground base bearing capacity test in advance

Fully consider the load effect

Strictly follow the requirements of the plan to set up a support system

Guarantee the design requirements of the modeling area to meet the design requirements

Counter a difficult, get fast, get fast up

The project construction process is cumbersome

Organization coordination is difficult, and construction is difficult

Since the start of construction, the project has carried out many labor competitions

The focus is on eliminating breakpoints and opening the whole bridge as the focus

Promote the rapid development of various tasks

Fight continuously for 170 days

Simultaneously promote bridge construction and supporting operations

Posted by the bracket, tied with steel bars

Concrete water pouring, prestressed tension and other processes

Realize the parallel construction of each joint

Successfully complete the pouring task of the bridge deck

Continuously overcome multiple engineering nodes

November 18, 2021

After the project completes the left construction task

Project team to carry forward the spirit of the iron army

Turning right construction

Continuously overcome a number of engineering nodes

February 14, 2022

The project officially opens the right closed construction

May 2, 2022

The work of Qiaoshan No. 2 Bridge Time ended comprehensively

May 6, 2022

Fanzhuang Bridge top -up task is completed

June 23, 2022

All the tasks of Dukeshan Digging are completed

At present, the main line of the project has been connected

More than 800 builders

Palace paving project and subsidiary projects are underway

Enter the countdown countdown

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