Study on the bottom slab breakup of continuous beam bridge midspan closure segment

被引：0
|
作者：
Wu, Xun [1 ]
Shen, Gang [1 ]
Ling, Zhimin [1 ]
机构：
[1] Tongji Univ, Dept Bridge Engn, Shanghai 200092, Peoples R China
来源：
2016 INTERNATIONAL CONFERENCE ON SMART CITY AND SYSTEMS ENGINEERING (ICSCSE) | 2016年
关键词：
Bottom slab breakup; Prestressing force; Transverse effect; Radial effect;
D O I：
10.1109/ICSCSE.2016.39
中图分类号：
TP18 [人工智能理论];
学科分类号：
081104 ; 0812 ; 0835 ; 1405 ;
摘要：
The long-span prestressed concrete continuous girder bridge might occur bottom slab breakup after prestressed tension and cause bridge damaged on practical engineering. In order to reveal this phenomenon, it is necessary to research and analyze the radial and transverse effect of prestressing force to the structure and acquire the causes of bottom slab breakup. Based on one continuous rigid frame bridge in Nanjing, analyze the reasons of bottom slab breakup by establishing finite element model, and put forward reasonable design and construction methods to prevent bottom slab breakup for actual bridges.
引用
收藏
页码：79 / 81
页数：3
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