Si Du-brua

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Si Du-brua
Siduhe Bridge-4.jpg
Transporterer Riksveg 318
Kryssar Sidu-elva
Stad nær Yesanguan i Badong fylke i Hubei i Kina[1]
Konstruktør CCCC Second Highway Consultants Co. Ltd
Utforming Hengebru[2]
Lengste spenn 900 m[3]
Breidd 24,5 m[3]
Fri høgd 496 m[2][4][5]
Opna 15. november 2009[4]

Si Du-brua (kinesisk: 四渡河特大桥) er ei 1 222 m lang hengebru over elva Si Du nær Yesanguan i fylket Badong i provinsen Hubei i Folkerepublikken Kina. Ho vart opna i november 2009, og var då den høgaste brua i verda, 496 meter over dalbotnen ho spenner over.

Brua er ein del av Riksveg 318 i Kina som går frå Shanghai i aust til grensa mot Nepal i vest.

Kjelder[endre | endre wikiteksten]

  1. Wang 2009, p.65. "The bridge is located in central China near Yesanguan, a small town in a remote mountainous area, and serves as one of the key links in the national highway system that connects Shanghai, on the country's east coast, to Chengdu, the capital of the western province of Sichuan."
  2. 2,0 2,1 Wang 2009, p.64. "Stretching across a 500 m deep valley and the Sidu River in central China is a new, 1,222 m long crossing, that measured from gorge bottom to deck, may be the highest suspension bridge in the world."
  3. 3,0 3,1 Wang 2009, p.65. "The bridge features three spans measuring, from east to west, 114, 900, and 208 m. It carries two lanes in each direction and measures 24.5 m in width from curb to curb. The precast-concrete deck slopes upward from east to west at a 2.41 percent grade. The suspension cables are supported by two towers—an eastern tower measuring 118 m in height and a western tower 122 m high. The superstructure is constructed of steel."
  4. 4,0 4,1 Sakowski.
  5. Liu 2008. "The bridge spans over a 550 m deep valley, which is the highest suspension bridge in the world." (from the abstract in the conference program)

Bakgrunnsstoff[endre | endre wikiteksten]