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收稿日期: 2015-06-16
修回日期: 2015-08-19
网络出版日期: 2015-12-24
Design and Application of Trestle in Invert Construction of Hongtushan Tunnel on Yuqu Expressway
Received date: 2015-06-16
Revised date: 2015-08-19
Online published: 2015-12-24
李增印 . S308线玉曲公路红土山隧道仰拱施工栈桥设计与应用[J]. 隧道建设, 2015 , 35(S2) : 192 -196 . DOI: 10.3973/j.issn.1672-741X.2015.S2.035
The construction trestle is generally designed by using manual calculation method. The design standard of the manual calculation method depends on checking qualifying of each component. The calculation of and analysis on integral forcing of trestle are limited. In this paper, the MIDAS Civil finite element software is brought in, so as to rationalize the steel trestle structure design of invert construction of Hongtashan Tunnel. After many times of adjustment and calculation, a feasible construction trestle is designed and established, and it is proved to be rational.
Key words: Hongtushan Tunnel; invert; trestle; finite element software
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