Key Technologies of Construction Control for Arch Rib of Unique Arch Bridge

Hai Xin Huang; Ying Zhang; Shou Shan Cheng; Quan Yuan

doi:10.4028/www.scientific.net/AMM.405-408.3123

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 405-408Key Technologies of Construction Control for Arch...

Key Technologies of Construction Control for Arch Rib of Unique Arch Bridge

Abstract:

Construction control of arch rib is the key step in the process of construction for long span arch bridge. For the construction of arch rib obliquely spanning the curved girder, the key technologies including the formulation of construction scheme, the division of segments, erection of supports, the test of alignment and strain, and the order of removing temporary supports of arch rib are given. Meanwhile some controlling measures such as the adjustment of elevation of supports, correction of errors, handling of temperature effect, conversion of structural system are provided, and the critical points ensuring the safety and stability of arch rib in construction are summarized. Conclusions obtained here have important reference values to the construction of special type of long span arch bridge.

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Periodical:

Applied Mechanics and Materials (Volumes 405-408)

Pages:

3123-3126

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.405-408.3123

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Online since:

September 2013

Authors:

Hai Xin Huang, Ying Zhang, Shou Shan Cheng, Quan Yuan

Keywords:

Construction Control, Deformation, Error Adjustment

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