The significance of Dalian Bay subsea tunnel project: promoting the integration of the two sides of Dalian Bay.

The significance of Dalian Bay subsea tunnel project: promoting the integration of the two sides of Dalian Bay.

What is the current progress of the Dalian Bay Cross-Harbour Tunnel construction project, which has attracted the attention of the general public? How much impact will it have on the development of the Bay Area?

Project progress: The temporary cofferdam has been completely constructed.

At present, the construction project of Dalian Bay subsea tunnel is in the preliminary construction preparation stage and is progressing smoothly. The recent progress is as follows:

Dry dock sub-project-temporary cofferdam water stop has been completed, and earthwork excavation and concrete pouring of bottom plate are under way; The single structure construction in the auxiliary workshop area has been completed; Breakwater dredging and reef blasting have been completed in the harbor basin area.

North shore project-dredging of foundation trench has been completed, and caisson prefabrication has started.

Immersed tube tunnel project-dredging of temporary channel, immersed tube foundation and floating channel foundation groove has started.

At present, Guangming Road has not yet started, and the construction permit will be handled by stages according to the requirements of the municipal government and the progress of land acquisition and demolition. Zheng demolition entrustment agreement has been signed, and Ganjingzi district government has carried out preliminary investigation and other work.

2 0 19 mission objective: obtain the construction permit of the main line construction project before the end of the year.

In the next step, this key project will continue to be constructed in various regions and is scheduled to be completed before the end of the year.

West dock room construction of dry dock sub-project; The north shore project will complete the prefabrication, installation and sealing construction of protective caissons; The south bank project will start dredging the harbor basin and backfilling the inner cofferdam; The immersed tunnel partially completes the dredging of temporary channel, floating channel and planned channel. The cross-harbour tunnel is currently handling the planning permit for the main line construction project of the cross-harbour tunnel, and it is planned to obtain the construction permit for the main line construction project before the end of the year.

Significance of the project: promoting cross-strait integration in Dalian Bay.

At present, the main roads in and out of the main urban area of our city are Northwest Road, Donglian Road and East Expressway. After the completion of the cross-harbour tunnel, Dalian will add a shortest entrance and exit to the main city. It will greatly ease the traffic pressure in the urban area and greatly narrow the distance between the main urban area and the northern urban area. If get = "_ blank" href = "/dl/loupan/6172592/"The travel time from Diamond Bay to Renmin Road will be 5, that is, more than 7 minutes.

Relevant person in charge of Dalian Urban Management Bureau: Dalian Bay Cross-Harbour Tunnel and Guangming Road Extension Project is the first large-scale cross-sea immersed tunnel PPP project in Dalian, which is of great significance for promoting cross-strait integration and relieving traffic pressure in Dalian Bay. In addition, the completion of the submarine tunnel in Dalian Bay will greatly promote the development of Dalian coastal tourism resources, build Dalian coastal economic circle and accelerate the development of Dalian tourism and pan-tourism.