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author:

许莉 (许莉.) [1] (Scholars:许莉) | 房贞政 (房贞政.) [2] (Scholars:房贞政) | 洪适 (洪适.) [3]

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Abstract:

为避免预应力混凝土曲线连续箱梁桥在预应力、外部荷载作用下发生支座脱空的现象,以某互通匝道桥为典型工程,应用空间有限元法,在不同荷载、不同支座布置形式下,分析曲线箱梁桥的支座反力和位移,探讨合理的支座布置形式.结果表明:中间支座全部是墩梁固结的支座布置形式最不易脱空,而固定支座布置在端部截面的支座布置形式最容易脱空.因而得出合理的支座布置可以避免过大的扭转变形、防止支座脱空的结论.

Keyword:

位移 支座反力 支座布置 支座脱空 曲线箱梁桥

Community:

  • [ 1 ] [许莉]福州大学
  • [ 2 ] [房贞政]福州大学
  • [ 3 ] [洪适]福州大学

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Source :

南昌大学学报(工科版)

ISSN: 1006-0456

CN: 36-1194/T

Year: 2009

Issue: 1

Volume: 31

Page: 83-89

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count: -1

Chinese Cited Count:

30 Days PV: 4

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