|本期目录/Table of Contents|

[1]李立峰,周 延.大跨径波形钢腹板组合箱梁桥剪力滞效应[J].建筑科学与工程学报,2016,33(06):106-112.
 LI Li-feng,ZHOU Yan.Shear Lag Effect of Large Span Composite Box Girder Bridge with Corrugated Steel Webs[J].Journal of Architecture and Civil Engineering,2016,33(06):106-112.
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大跨径波形钢腹板组合箱梁桥剪力滞效应(PDF)
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《建筑科学与工程学报》[ISSN:1673-2049/CN:61-1442/TU]

卷:
33卷
期数:
2016年06期
页码:
106-112
栏目:
出版日期:
2016-11-30

文章信息/Info

Title:
Shear Lag Effect of Large Span Composite Box Girder Bridge with Corrugated Steel Webs
作者:
李立峰周 延
湖南大学土木工程学院
Author(s):
LI Li-feng, ZHOU Yan
School of Civil Engineering, Hunan University
关键词:
桥梁工程剪力滞效应大跨径波形钢腹板组合箱梁桥施工阶段
Keywords:
bridge engineering shear lag effect large span composite box girder bridge with corrugated steel web construction process
分类号:
-
DOI:
-
文献标志码:
A
摘要:
为了研究大跨径波形钢腹板组合箱梁桥的剪力滞效应,结合1座采用悬臂施工的大跨径波形钢腹板箱梁桥,分别建立平面杆系有限元模型和空间实体有限元模型,模拟施工过程,选取3个关键截面,研究了波形钢腹板组合箱梁桥在不同施工阶段的剪力滞效应分布规律。结果表明:大跨径波形钢腹板组合箱梁桥的剪力滞效应随着施工阶段的推移是一个动态变化过程,在悬臂施工阶段,剪力滞效应变化较快,在施工阶段后期,剪力滞效应变化缓慢;最大剪力滞效应发生在最大悬臂状态时的端部截面。
Abstract:
In order to study the shear lag effect of large span composite box girder bridge with corrugated steel webs, a large span composite box girder bridge with corrugated steel webs using cantilever construction was adopted, and the plane frame model and finite element model were established respectively. The construction processes were simulated and three key sections were selected. The distribution rules of shear lag effect of large span composite box girder bridge with corrugated steel webs at different stages of construction were studied. The results show that the shear lag effect of large span box girder bridge with corrugated steel webs is a dynamic process with the construction stage. The shear lag effect changes rapidly during cantilever construction stage, and changes slowly at the late stage of construction. The maximum shear lag effect occurs on the end section at the maximum cantilever state.

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备注/Memo

备注/Memo:
更新日期/Last Update: 2016-12-07