Introduction of Jinan Yellow River Bridge?

Jinan Yellow River Bridge is located in the northern suburb of Jinan City, Shandong Province. The bridge officially broke ground in February 1978 and was completed and opened to traffic in July 1982. The bridge consists of a main bridge and an approach bridge, with a total length of 2023.44 meters and a main bridge length of 488 meters. The main bridge is a prestressed concrete continuous beam cable-stayed bridge. There are five spans, of which the largest span is 220 meters, which is the longest span bridge in Asia at that time, ranking eighth among the top ten prestressed concrete cable-stayed bridges in the world at that time. The bridge deck is divided into lanes and sidewalks, with a total width of 19.5m and four lanes in both directions, of which the carriageway 15m.

Brief introduction of bridge

Beijing-shanghai railway railway bridge across the Yellow River. This bridge with the largest span in Asia ranks eighth among the top ten prestressed concrete cable-stayed bridges in the world, including old bridges and new bridges. The old bridge is about 7 kilometers north of Jinan, crossing the Yellow River between Luokou Station and Shanzhan Station in beijing-shanghai railway, also known as Luokou Yellow River Bridge. The bridge started on July 1909 in the year of Tongyuan in Qing Dynasty, and was completed on October 29th (19 12). The bridge length is 1255.2m, and the truss width is 9.4m. The bridge has12 holes, of which 9 holes are simply supported lower truss beams 9 1.5m, and the other 3 holes are cantilever beams, with anchor span 128. 1m and cantilever 7.44. The pier is built on the fine sand layer, and the foundation adopts pneumatic caisson and reinforced concrete pile foundation.

The new bridge is about 20 kilometers away from the old one, located in Caojiaquan, Qihe County, Shandong Province. This bridge was officially started in June 1972, completed in June 1976, and officially opened to traffic with the old bridge in July 198 1.

This new bridge is a two-lane bridge. In order to cooperate with the water conservancy department in regulating the Yellow River and widening the reach, the total length of the bridge is 5698.3 meters, the total length of the main bridge is 530.65 meters, and the span is112+120+120+1. The substructure of the main bridge and part of the approach bridge are round-ended piers, and the rest are double cylindrical rigid-frame piers and leaning piers. According to different geology, there are three kinds of foundations: open caisson, pipe pile with a diameter of 0.55 m and bored pile with a diameter of1.1m.

The total width of the bridge is19.5m, in which the carriageway is15m and the sidewalks on both sides are 2m. The cross section of the main girder is a closed double-chamber box girder with a height of 2.75 meters, which is constructed by hanging basket suspension casting.

Main engineering quantity of the whole bridge: 129 pier adopts 1. 1m diameter, 55m or 45m long ***947 bored pile with an area of about 45,000 linear meters; The pipe pile with a diameter of 0.55 meters is 2 1720 linear meters; Steel beams and bearings weigh 4600 tons; Concrete 12700 m3; 3 1.7m prestressed concrete beam 3 16 holes.

Building structure

The bridge tower is an A-type portal three-dimensional structure with a height of 68.4 meters. The tower and beam are separated and the pier and column are consolidated. The cable plane is fan-shaped, the cable spacing is 8m, and each tower has *** 1 1 pairs of cables. Each stay cable is composed of 2 ~ 4 bundles, each bundle is composed of 67 ~ 12 1 φ 5 galvanized steel wire, and it is protected by lead casing cement slurry. The anchor head of stay cable adopts cold casting upsetting anchor. Built in 1982. The cross section of the main girder is a closed double-chamber box girder with a height of 2.75 meters, which is constructed by hanging basket suspension casting.

Overdue fee

20 12 February, at the just-concluded "two sessions" in Shandong Province and the ongoing "two sessions" in Jinan City, the toll issue of Jinan Yellow River Bridge once again became the focus.

Or the maximum number of years of charging.

2065 438+02. 2. 28 Relevant persons of Shandong Expressway Co., Ltd. said that they have noticed the media reports on the charges of Jinan Yellow River Bridge. "We will still follow the original agreement. Our fees are legal and compliant. "

"Every year, the' two sessions' will speculate on the charging of the Yellow River Bridge." This person said.

According to the Regulations on the Management of Toll Roads promulgated in 2004, the toll period of operating toll roads shall not exceed 25 years at the longest. Starting from 1984, Jinan Yellow River Bridge has been charged for 28 years.

In this regard, relevant persons of Shandong Expressway previously told the media that the Regulations on the Management of Toll Roads was promulgated and implemented in 2004, and the toll of Jinan Yellow River Bridge was approved by relevant departments in the form of 1999. "This law has no retrospective effect."

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