Characteristic Dynamic Increment for extreme traffic loading events on short and medium span highway bridges

被引：93
|
作者：
OBrien, Eugene J. [1 ]
Cantero, Daniel [1 ]
Enright, Bernard [2 ]
Gonzalez, Arturo [1 ]
机构：
[1] Univ Coll Dublin, Sch Architecture Landscape & Civil Engn, Dublin, Ireland
[2] Dublin Inst Technol, Dept Civil & Struct Engn, Dublin, Ireland
来源：
ENGINEERING STRUCTURES | 2010年 / 32卷 / 12期
关键词：
Assessment Dynamic Ratio; ADR; Vehicle; Bridge; Interaction; VBI; Characteristic; Dynamic; Amplification; DAF; MODEL; AMPLIFICATION; VEHICLE;
D O I：
10.1016/j.engstruct.2010.08.018
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
More accurate assessment of safety can prevent unnecessary repair or replacement of existing bridges which in turn can result in great cost savings at network level. The allowance for dynamics is a significant component of traffic loading in many bridges and is often unnecessarily conservative. Critical traffic loading scenarios are considered in this paper with a model that allows for vehicle-bridge interaction and takes into account the road surface condition. Characteristic dynamic allowance values are presented for the assessment of mid-span bending moment in a wide range of short to medium span bridges for bidirectional traffic. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：3827 / 3835
页数：9
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