May 19, 2023
Yidong Expressway is an expressway connecting Yiwu City and Dongyang City in Zhejiang Province.,North of Yidong Expressway: Houzhai Hub, Houzhai Street, Urumqi City,South to Wangdian Hub, Nanma Town, Dongyang City,It is an important part of the expressway network in Jinyi metropolitan area.。The Yidong high-speed line is 55 kilometers long.,It is designed as two-way six-lane.,By the end of December 2022,Completed and open to traffic 21.Six kilometers。
The total length of Dongyang Section of Yidong Expressway is 33.Four kilometers,It is jointly invested and constructed by Zhejiang Communications Group and Dongyang People's Government.,The total investment is about 10 billion yuan.。Among them, the starting and ending mileage of Bid 1 of Dongyang Section of Yidong Expressway constructed by Zhejiang JiaogongK0+000~K10+Segment 700,The total length is 10700 meters,Paving width 16.5 meters,Except for the main line works,This section also includes 2 interchanges and 1 toll station.。
When the traditional construction process is adopted,Limited by many interchange ramps and small turning radius、Large change in slope and width,Typical phenomena such as slipper dropping and Paver screed piling are easy to occur during pile driving and line hanging,The control of paving elevation and flatness have always been the difficulties in paving construction。
The pavement of expressway toll station is characterized by:Large paving width requires multiple Pavers to pave together,It is very difficult to implement the guide beam of pile driving and cable hanging frame.,Need to invest a lot of auxiliary workers to implement,At the same time, it is difficult to control and guarantee the flatness of paving surface and the consistency of cross slope.。
In order to overcome the pain points and difficulties in the traditional paving construction,,Improve the quality of paving construction。Bid 1 of this project is based on the previous period, that is, to be adopted in 2020.Topcon 3D mmGPSPaving control systemSuccessful large-scale application and outstanding performance in the north connection of Qianjiang Channel,Topcon 3 againDThe paving control system is carried out in this project.Spreading control of water stable layer,Create good basic conditions for subsequent asphalt paving。
During the actual construction of this project,,Topcon 3DThe paving control system has played a leading role in the industry.,Pecially in the water-stabilized paving operation of ramps and toll stations.,The construction process is greatly simplified.、The paving quality is significantly improved and the construction period of the project is effectively shortened.。Topcon 3DNon-pile Operation Mode of Paving Control System,That is to say, the traditional process of piling, hanging line and erecting guide beam is completely abandoned.,The value and significance of ramp and toll station pavement operation are particularly prominent and obvious.,And really solve that problem that the traditional paving proces is difficult to implement.、The number of personnel input is large and the quality is difficult to guarantee.。
Topcon 3 is used in this project.DPaving control system,Minimize the input of auxiliary workers,Man-machine cross operation is basically eliminated,The safety of the construction operation is obviously improved.,Continuous normal construction at night with guaranteed quality。Topcon 3DThe successful application of digital construction control system in this project,Paving elevation of ramp and toll station of expressway、Slope、The cross slope and the overall flatness have been raised to a new height and level.,It achieves the maximization of operation efficiency and significant improvement of paving quality.。
At Topcon 3DUnder the support of paving control system,High quality of water stable paving construction work of this project, especially ramp and toll station、Accomplish efficiently,Topcon 3D mmGPSThe paving control system once again won the unanimous praise of the project department.,It has been highly recognized and praised by the owner of the project.。
Yidong Expressway is a high-quality promotion of metropolitan area construction in Zhejiang Province.,It is an important part of realizing the high-speed ring formation in Dongyang City.。Yongjin will be formed after the whole line is completed and opened to traffic.、High-speed network organically connected with Dongyong Expressway and Zhuyong Expressway,Strengthening the core area of Jinyi City and Hangzhou、 Ningbo 、Interconnection of the Three Metropolises in Wenzhou,Yiwu Commodity City、Dongyang China Wood Carving City、Hengdian Film and Television City and Yongkang Hardware City are connected in series.,To promote Yiwu、The social and economic development of Dongyang and Yongkang is of great significance.。
Brief introduction of the user unit
Zhejiang Jiaogong Group Co., Ltd.,It was founded in 1953,Reorganization and listing completed in 2017(Stock Code:002061),It is the only professional highway construction enterprise in Zhejiang Province with the super qualification of general contracting for national highway engineering construction and the first-class qualification of highway industry design.,It is the largest in Zhejiang Province.、The most powerful state-owned enterprise of traffic engineering construction。Main business:Road、Bridge、Tunnel、Port、Channel、Lock、Airport、Municipal、Railway、Traffic engineering construction of urban rail and underground pipe gallery、Design、Technical services。In recent years,The group's business is booming.,Total assets exceed RMB 20 billion,The annual construction capacity exceeds RMB 30 billion.。
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