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The Girder for The First Arch of Najie River Bridge is Successfully Installed
Published:2015-01-29 17:11:30    From:Corporate Culture Dept    Click:2358


 
The composite girder for the first arch of Najie River Grand Bridge for LinZhi (South Lindai to Zhijin) railways in Guizhou Province, fabricated by CRBBG, was successfully lifted in place on January 18, which indicated that the bridge construction came to a new stage for erection.

Guizhou Najie River Grand Bridge for LinZhi railways is a deck type X-shaped steel truss arch bridge. The lower arch ribs span the canyon with single span of 352m, and the main truss members adopt a formation of integral panel point. All columns on the archs of intermediate section are independent towering steel structures, totally 12 pairs symmetrically arranged along the span centerline for the whole bridge. The superstructure is channel composite girder, totally 5 types for 11 arches of the whole bridge. The bridge has novel structure, complex connection relationship and great difficulty in fabrication and installation. CRBBG undertook fabrication and installation of over 9,000 tons of steel trusses for this bridge.

Since the start of construction of the bridge, CRBBG went all out to push technical preparation, fabrication and erection, and received high appraisal and consentient affirmation from the Owner. Up to now, 9 archs of composite girders have been installed on the bridge site, and the subsequent installation is under smooth promotion.




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