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Abstract

The bridge without expansion joints, with the expansion device removed, can completely solve the maintenance problem of the expansion device and is sustainable. Its application is mainly in beam bridges and relatively few in arch bridges. In this paper, the Baqiutian Bridge in Yunnan Province was taken as an example, which is an upper bearing arch bridge. The arch path structure is directly connected with the two approach spans to form a continuous structure and extends to the guide plate (approach slab) behind the platform, thus eliminating the expansion joints of the whole bridge floor and making it an arch bridge without expansion joints. This paper described the main types of arch bridges without expansion joints, focused on the design of Baqiutian Bridge, and analyzed the effect of deck expansion amount of upper bearing arch and the removal of expansion joints on the structural force.

Publication Date

7-14-2023

DOI

10.14048/j.issn.1671-2579.2023.03.010

First Page

69

Last Page

75

Submission Date

March 2025

Reference

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