Introduction of Sanmenxia Yellow River Highway Bridge?

Sanmenxia Yellow River Highway Bridge is located on the Yellow River between Pinglu County, Shanxi Province and Sanmenxia City, Henan Province. With a total length of 13 10.09 meters, it is a super-large bridge connecting Shanxi and Henan provinces with National Highway 209 (Hohhot-Beihai Highway) and crossing the natural barrier of the Yellow River. The bridge construction project was officially declared19911at the first meeting of the Golden Triangle Economic Cooperation Zone in March, and the bridge officially started. On September 8th, 1993, General Secretary Jiang Zemin wrote the name of the bridge. On September 30th 1993, the whole bridge was closed and opened to traffic on February 30th 1993.

brief introduction

Sanmenxia Yellow River Bridge-type National Highway 209 is one of the key construction projects to cross the obstacles of the Yellow River and communicate the traffic between Henan and Shaanxi. The bridge starts from Haodian Village, Pinglu County, Shanxi Province in the north and ends at Houchuan Village, Hubin District, Sanmenxia City, Henan Province in the south. Total length 1300.64m, total width of main bridge deck 18.5 m, including carriageway 15 m, sidewalks on both sides 1.5 m, the superstructure of main bridge is a three-way prestressed concrete continuous steel structure, the rigid section is a single-box single-chamber box girder, and the span arrangement is/kloc-0. The substructure is thin-walled double-walled pier, pile group foundation, bored pile diameter 1.8m, design load: steam +20 or more, Cha-120; Pedestrian load: 3.5KN/m3. It was built by China Railway Bridge Bureau.

The design of this bridge has five characteristics: high, big, long, deep and new.

"High" means that the bridge deck is 50 meters away from the river bed, which is the highest among the extra-large bridges in Shanxi and Henan provinces.

"Big" refers to the large span, the main bridge 160m, which can rank among the top 25 similar bridges in the world and the second in China.

"Long" means that the continuous structure of the bridge is long, the main bridge is 850 meters long, the approach bridge deck is simple and continuous, and the whole bridge has only three expansion joints, which is comfortable for driving;

"Deep" means that the deepest water depth, pile depth and construction water level can reach 26 meters, and the maximum pile length is 77 meters, which is difficult to construct;

"New" means that the main bridge adopts long-span continuous rigid frame with novel and unique structure and magnificent shape. The total investment of the bridge is10.20 billion yuan, and Shanxi has invested 910.60 billion yuan in the bridge and the north approach road.

develop

After the completion of the bridge, the history of boat trips between the two sides of the Yellow River for more than 2,000 years ended, which provided great convenience for passing vehicles. The traffic volume increased day by day, from more than 700 vehicles/day and night when the bridge was built to more than 4,500 vehicles/day and night now, which played a great role in the economic take-off of Shanxi and Henan provinces, especially Yuncheng and Sanmenxia.

The bridge is managed by Shanxi and Henan provinces, and Shanxi Province has set up the "Shanxi Management Office of Sanmenxia Yellow River Highway Bridge" in the north of the bridge, which is a state-owned institution at the level. There are a comprehensive office, planning and finance department, maintenance department, security department (road administration brigade) and toll station, with a total of 72 employees, who are specifically responsible for the toll collection, maintenance management and security of the bridge and the north approach road 6. 1 km. Since its establishment nine years ago, under the guidance of the principle of "iron discipline, strict management, hard style and high efficiency", the office has firmly grasped the charging work, firmly grasped the main line of spiritual civilization construction, and actively carried out standardized management, so as to influence people by taking the lead, improve people by ideological education, standardize people by system construction, motivate people by rewarding the excellent and punishing the poor, shape people by quality service, unite people by organizing activities and guide people by example. It was identified by the Provincial Communications Department as the first batch of demonstration "window" units for the construction of socialist spiritual civilization in the province's transportation system, as a "demonstration unit" for the civilized industry in Shanxi Province by the provincial spiritual civilization construction steering committee, as an "advanced unit with three excellent" by the resident party committee, as "Youth CivilizationNo. * * *" by the Yuncheng District Committee of the Communist Youth League, and as an "advanced unit with standardized management" by the Yuncheng District Office for Corrections. The Provincial Office of Rectification was rated as "the advanced unit to control the three chaos in highways", the Civilization Committee of Yuncheng District was rated as a civilized unit, and Yuncheng and the provincial highway system were rated as excellent units year after year. In 2002, it was awarded the honorary title of "Youth Civilization" by the Youth League Committee, which made positive contributions to Shanxi's economic take-off and highway construction.

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