The Project Choice of Common Beam Type in the No. 3 Light Rail Line Continuing Construction in Dalian

WANG Shu-Min

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Journal of Railway Engineering Society ›› 2007, Vol. 24 ›› Issue (2) : 88-91.

The Project Choice of Common Beam Type in the No. 3 Light Rail Line Continuing Construction in Dalian

WANG Shu-Min

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Abstract

Research purposes: Take the viaduct of No. 3 light rail line continuing construction in Dalian for example， this paper researches the project of comparing and selecting girder shape to reach the demands of bridge aesthetics， safety and cost of bridge engineering.

Research methods: Aiming at the geologic and topographic conditions of Dalian and by the methods of comparing and selecting，the research on the structure form，structure system，materials，construction methods and synthetical index of different bridge girder shape were discussed and researched.

Research results: Considerated from aspects of bearing forcing character construction period，sight effect ， construction influence to the environment ， reasonable economy ， and durability of the material ， etc，this paper makes sure the light rail beam suitable for the common district in Dalian.

Research conclusions: By argumentation the projects of all kinds of beam type，the No. 3 light rail line continuing construction in Dalian adopts(3-5)-25 m single-box single cell prestressed concrete continuous beam and construction method adopts supporting frame and casting in site method.

Key words

light rail / beam type / technical and economic comparison / make choice

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WANG Shu-Min. The Project Choice of Common Beam Type in the No. 3 Light Rail Line Continuing Construction in Dalian[J]. Journal of Railway Engineering Society, 2007, 24(2): 88-91