The total length of Maanshan Yangtze River Bridge is about 36.274 kilometers. Among them, the main river-crossing project 1 1.209 km, south bank wiring 19.320 km and north bank wiring 5.745 km, with a total investment of about 7.078 billion yuan. The bridge is designed according to the expressway standard of totally enclosed and fully interconnected six lanes. Design speed 100 km/h, clearance height of Zuohan Bridge is 32m, and clearance height of Han You Bridge is18m. It is a three-level inland waterway.
general situation
"Lang to cross today have what thing? Such a storm is not feasible. " Thousands of years ago, Li Bai, a poet, wanted to cross the river from Maanshan to collect rocks in the south, but he couldn't make it because of the dense clouds in the east. Nowadays, residents on both sides of the strait are facing the vast river, waiting for the whistle of the ferry.
Maanshan Yangtze River Bridge (Highway) is located between Maanshan City and Zhengpugang New District. The bridge is located in Jiang Xinzhou, Dangtu, with a main bridge length of 10.9 km. The north shore is connected to the 206 provincial highway via Laoqiao Town, Zhengpu Port New Area, and then to the proposed Hefei and Chaohu Lake to expressway, Maanshan, with a line length of 5.68 km. The south bank connection passes through Chaoshan, Xiangshan, Oucheng, Hanjiaba and Chicken Juice Pond, reaches the junction of Niukou in Anhui and Jiangsu provinces, and connects with the planned Maanshan-Lishui expressway Jiangsu section, with a length of19.23km.. Ma 'an Shandong, Ma 'anshan South, Jiang Xinzhou and Laoqiao were established. The whole line is constructed according to the two-way six-lane expressway standard, with a design speed of 100 km/h, a roadbed width of 33.5 meters and a Yangtze River Bridge width of 33.0 meters.
The design load of the bridge is Grade I of the highway. Among them, the clearance heights of the main and auxiliary navigation holes are greater than 32 meters and 18 meters respectively, which will be the Yangtze River Bridge with the highest navigation clearance scale in Anhui Province, which means that 10,000-ton ships can pass under the bridge.
design
The design of the main cross-river project of Maanshan Yangtze River Bridge (highway) was jointly completed by Anhui Provincial Traffic Planning and Design Institute and China Railway Bridge Survey and Design Institute. As the fourth bridge of Wanjiang River, Maanshan Yangtze River Bridge will embody the architectural elements of Huizhou style, with a design service life of 1000, and can be used for navigation of 10,000-ton cargo ships under the bridge.
rate of progress
On the morning of February 28th, 2008, the fourth Yangtze River Bridge (Highway) in Anhui Province, Maanshan Yangtze River Bridge (Highway) officially started construction.
Maanshan Yangtze River Bridge (Highway) started in 2008, with a planned construction period of 5 years. It was completed and opened to traffic in 20 13 years, with a design service life of 100 years.
It is understood that Maanshan Yangtze River Highway Bridge is located four kilometers south of Caishiji, the first of the three Yangtze Rivers. The route starts from No.206 Provincial Highway in Muqiao Town, Maanshan City, and connects with the planned expressway in North Jiang Yan, and ends at Niukou Road, dangtu county, Maanshan City, and connects with the planned Jiangsu section of Maanshan-Lishui Highway. The total length of the bridge is 36. 14km, of which the south bank connection 19.49km, the river-crossing main body 1 1km, and the north bank connection 5.65km. ..
Show "Anhui elements"
Maanshan Yangtze River Bridge is divided into two main bridges, the left branch and the right branch, in which the left branch adopts a 2×1080m three-tower and two-span suspension bridge, with the main span ranking first among similar bridges in the world, achieving a major breakthrough in the span of the three-tower and two-span suspension bridge from100m to1000m for the first time. The main bridge of Right Branch is a 2× 260m cable-stayed bridge with three towers and two spans, and the tower is an elliptical arch, which is the first arch cable-stayed bridge with three towers and two spans in China.
Create the first in the world
The main span ranks first among similar bridges in the world. The main bridge at the left branch of the bridge adopts a 2×1080m three-tower and two-span suspension bridge, which has achieved a major breakthrough in the span of the three-tower and two-span suspension bridge from100m to1000m for the first time. Among them, the middle tower is a steel-concrete composite tower, with concrete below the bridge deck and steel bars above, with a height of 175.8 meters, and its steel-concrete composite scale ranks first in the world; At the same time, the tower-beam consolidation system is adopted for the first time in the middle tower, which has strong wind and wave resistance, which is also an innovation in the world.
This suspension bridge in Zuocha has two main cables running through it, and the cost of each main cable is about 1 100 million yuan. The steel wires used for the two main cables add up to more than 85,000 kilometers, which can almost circle the earth twice. The length of main cable ranks first in the world among similar bridges.
The left main bridge is so "excellent" that the right main bridge is not willing to "show weakness". The main bridge of Right Branch is a 2× 260m cable-stayed bridge with three towers and two spans, and the tower is an elliptical arch, which is the first arch cable-stayed bridge with three towers and two spans in China.
Because all the components used on the bridge are "big guys", Zoomlion, the relevant unit, has developed a tower crane D5200-240 with a lifting capacity of 2 10 ton, ranking first in the world. Root-type foundation is an original bionic foundation. Root keys are added to the caisson wall to give full play to the bearing function of foundation beams and the bearing capacity of soil, so as to realize the rigidity coordination between elastic-plastic soil and rigid caisson.
River, emblem charm.
It turns out that this bridge has a unique design and embodies the characteristics of Huizhou School. Among them, the pylon of Zuocha Bridge is a giant pylon with classical modeling. At the same time, in the design of pylon beam, many elements of archways in Huizhou architecture are used for reference, which makes the bridge scheme more regional and cultural in Anhui Province.
The pylons of the bridge have more meaningful shapes, all of which are portal structures. They are like open doors and open designs, meaning "open the east gate and integrate into the Yangtze River Delta".
The color of the bridge is also beautiful. In particular, the right main bridge, the flexible arch bridge tower and the orange tower body echo and complement each other with the Binjiang New District and the Quarrying Scenic Area.
Construction has begun.
At the construction site of the south anchorage of Jiang Xinzhou Bridge, many cranes and motors roared, and the constructors were preparing for the upcoming third sinking of the anchorage. The construction of Maanshan Yangtze River Highway Bridge is proceeding rapidly and orderly.
Cable-stayed bridge has entered the stage of pile foundation construction, and the overall wiring project of approach bridge has started, and the foundation construction is under way, and it is promoted according to the engineering nodes.
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