The Jinan Jinsha River Bridge is the largest spanning steel truss suspension bridge in the world. The main tower is 228 meters high (including the tower crown) and is a reinforced concrete portal frame structure. The top of the tower is perpendicular to the height of the Jinsha River. At 479 meters, close to the height of 160 floors, the strength of Chinese manufacturing once again surprised the world. Why is the Jinan Jinsha River Bridge called the "Chinese Miracle"? Because this super project is located on the Jinsha River, it is a "three high areas" with high altitude, high altitude difference and high seismic intensity.
Jinan Jinsha River Bridge
The Jinan Jinsha River Bridge is a canyon suspension bridge with complex structure, high technical difficulty and maximum span built in the “Three High Areas†worldwide.
Jinan Jinsha River Bridge
As such a super project, there are many specialities in the process of construction. On the basis of inheriting the skills of building bridges in China, many innovative engineering techniques are needed to complete it. For example, the concrete used in the tower column is basalt mechanism sand concrete, and the basalt is characterized by "hard" and "heavy". This kind of aggregate determines the quality control in the concrete processing process is very critical, but the HZS120D container concrete mixing plant produced by Fangyuan Group has easily completed this difficult task, and has produced nearly 600,000 square meters of concrete! The 230-meter-high tower has been successfully capped and the wear parts such as mixing blades and wire ropes have never been replaced.
Jinan Jinsha River Bridge
According to Wang Jiguo, the stationmaster of Chongqing Second Aviation Concrete Co., Ltd., the performance of Fangyuan's mixing station is stable and efficient, and the quality is very good. (This article is from Fangyuan Group)
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