work progress
Jiangjin Yangtze River Highway Bridge is the first Yangtze River Bridge built by county-level units (including introducing foreign capital). It was approved by the Ministry of Communications on June 1993. Since then, it took only 16 months to complete the preparatory work, creating the fastest speed of the preparatory work for the Yangtze River Bridge so far. 1August, 1994, the bridge approach project broke ground;1February, 1997, the main bridge project started and entered the construction stage. 1October 20th, 165438, the bridge was completed and put into trial operation. 1997 65438+On February 20th, the bridge was officially opened to traffic. The completion date of this bridge is four months ahead of the construction period of the Sino-foreign cooperation contract.
Jiangjin Yangtze River Highway Bridge is the first county-level unit in China to raise funds by itself (including introducing foreign capital).
bridgework
structure
Jiangjin Yangtze River Highway Bridge is divided into two parts: the main project and the approach project. The main body of the bridge is a continuous steel structure with a total length of1.360m.. The main bridge 1.40m+240m, and the three-span continuous steel structure is 520m long, ranking second among similar bridges in China. The approach road of Chongqing Bank is 14X50 simply supported T-beam and continuous hollow slab beam. The main pier and the approach bridge are both pull-type foundations. The clear width of bridge deck is 2 1. 5 meters, including 4X3 lanes. 75m, isolation pier 2X0. 5 meters, design load: steam -20 or above; Hangzhou-120; Crowd 3. 5KN/ m2, and the design flood frequency is 1/300. The grade is II-( 1), the navigable clearance is not less than 128 m, the clear height above the highest navigable water level is 18 m, the approach road adopts the first-class highway standard of mountains and hills, and the subgrade width is 2 1. 5 meters, asphalt concrete and cement concrete pavement, total length 1 1. 027 kilometers, of which the length of the connecting line into the city is 1. 8989 kilometers.
Jiangjin Yangtze River Highway Bridge was once repaired and reinforced. By applying external prestress to the bridge, the bearing capacity and structural stiffness of the bridge are successfully improved, the downward deflection trend of the main span is restrained, the stress state of the main girder is improved, and the bridge alignment is obviously improved.
asset structure
Jiangjin Yangtze River Highway Bridge is the first Yangtze River Bridge jointly built by China and foreign countries. The original budget has a total investment of 300 million yuan and the actual investment is 275 million yuan. Foreign investors (70% of Malaysian Nanfa Group, Hongkong Man Jing International Limited 10%) account for 80% of the total investment, and Chinese accounts for 20%. The foreign investor contributed 220 million yuan, and the Chinese contributed 5510.5 million yuan.
Charging time
After the bridge is completed and opened to traffic, the charging standard of the bridge and approach road shall be approved by Chongqing Municipal Price Bureau, Municipal Finance Bureau and Municipal Transportation Bureau. After the trial fee expires, the vehicle toll standard, site setting and toll range of Jiangjin Yangtze River Highway Bridge were officially approved on June 65438+July 1. 099. It is determined to set up a toll station on the north bank of Jiangjin Yangtze River Highway Bridge and implement two-way charging. Charger: Chongqing Jinfa Yangtze River Bridge Construction Co., Ltd. Charging time:1998 65438+February 20th to 20th17 65438+February 9th.
Important significance
With the rapid development of Jiangjin's economy and the enhancement of its economic strength, in order to improve the local investment environment, the toll operation of the bridge was terminated on May 3, 20081day through friendly negotiation with Malaysia. Ma Fang's contribution was repurchased by the Chinese side. From June 1 2008, the bridge will no longer collect tolls. Bridge buyback, like Sino-Malaysian cooperative construction, is a glorious chapter in Jiangjin history.
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