The bridge was officially opened for trial operation on 20 15 1.
Segmented information
Contract part
This contract section (SG-0 1) is undertaken by Daqing Construction and Installation Group Co., Ltd., with the starting and ending pile numbers of k1+1/kloc-0 ~ k2+662, with a total length of 1552 m. The construction contents of the project mainly include the foundation and pavement construction of the west diversion road (i.e. The planned construction period is 20 months, and the planned investment is 265,438+200,000 yuan. There are 72 technicians and constructors on site, equipped with 1 1 sets of large machinery, such as sand compactors and bulldozers. As of June 8 10, the subgrade surface clearing work in this contract section has been completed, with a clearing surface area of 20,639.3 square meters, and the soft foundation treatment has been fully rolled out. At present, * * * has cut down shrubs 18700 square meters, compacted sand piles 145000 meters, plastic drainage boards 1029 17 meters, sand cushion 13778 cubic meters and geotextile 8678 square meters. The temporary service road of the first construction section has been integrated with the temporary service road of the second construction section, and the vehicles between the construction sections have been connected. At present, the cumulative project output value is nearly 6.774 million yuan.
2. Contract part
The contract section (SG-02) was undertaken by Jiangxi Road and Bridge Engineering Co., Ltd., with the starting pile number K2+662, the ending pile number K9+755 and the length of 7093m. The construction contents of the project are: bored piles, caps and pier bodies of the approach bridge in Chenghai side land area and shallow water area; Prefabrication and installation of small box girder from Chenghai side abutment to main bridge; Anticorrosive coating; Bridge deck pavement; Procurement and installation of bearings and expansion joints within the scope of this project; Construction of auxiliary structures of bridge deck (anti-collision guardrail and drainage system) within the scope of this project. The planned construction period is 33 months, and the planned investment is 4.510.38 billion yuan. At present, 280 technicians and construction workers have entered the site, equipped with 32 large-scale machinery such as drilling rigs, cranes and flatbed trucks. At present, 65 piles of concrete have been completed in this contract section, including 6 offshore piles. At present, eight offshore pile foundations are under construction, and the bridge pile foundation construction and reinforcement cage production are progressing smoothly. 65,438+00 cofferdams have been built at sea, and two caps have been completed on land. The other bottle cap is being reinforced. The box girder gantry equipment in the box girder prefabrication yard has been installed, and the gantry track has been completed, totaling 690m m. Construction of trestle bridge at sea to Pier 77 (i.e. 924m, 4 platforms crossing). At present, the cumulative project output value is nearly 55 million yuan.
Three at a time
The contract section (SG-03) was undertaken by the Third Engineering Co., Ltd. of China Communications No.1 Navigation Bureau. Construction started in September 1 1. Main project contents: South Australia side approach road project, bored piles, caps and piers in shallow water area of approach bridge, 2×20m span widened cast-in-place box girder, 38×45m movable formwork cast-in-place box girder, and126+238+125m low tower cable-stayed bridge construction; Anticorrosive coating; Bridge deck pavement; Construction of bridge deck ancillary structure within the scope of this project. The total construction period is 33 months. The planned investment is 308 million yuan. At present, there are 0/9 technicians/kloc, 80 construction workers, and 25 large-scale machinery such as loaders, truck cranes and dump trucks. At present, the station construction and construction site layout of this contract section have been basically completed, and the preliminary work such as joint review drawings, construction scheme arrangement, laboratory construction and sand (stone) source investigation has been promoted in an orderly manner.
Sihe copper section
The contract section (SG-04) was undertaken by CCCC Second Waterway Engineering Bureau Co., Ltd., with the starting and ending pile numbers of K5+795 ~ K9+7 10, K10 ~ K11+685, and the total length is 53/kloc-. Anticorrosive coating of pile caps and pier shafts. Steel pipe pile is a finished pile (including anti-corrosion coating), and the engineering contents of steel pipe pile foundation include: transportation, storage and pile sinking of steel pipe pile. The planned construction period is 18 months, and the planned investment is 473.35 million yuan. At present, there are 90 technicians and constructors, including *** 12 pile driver, crane and tugboat. The contract section has been assembled into three steel hanging boxes, and hammering began on June 9. According to the work plan of parallel pile test, the static load test of steel pipe pile driving began on August 1. At present, 49 steel pipe piles (including 7 test piles) have been driven. At present, 86 steel pipe piles have been processed and manufactured. At present, the total output value of completed projects is nearly 40 million yuan.
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