ANALYSIS OF CRACKS IN BOTTOM SLAB OF EXTRA-LONG PRESTRESSED CONCRETE CONTINUOUS RIGID FRAME BRIDGE

Li Zhenxin; Li Xiaozhen; Li Jun; Guo Fengzhe

doi:10.13204/j.gyjz200612012

Volume 36 Issue 12

Dec. 2014

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Li Zhenxin, Li Xiaozhen, Li Jun, Guo Fengzhe. ANALYSIS OF CRACKS IN BOTTOM SLAB OF EXTRA-LONG PRESTRESSED CONCRETE CONTINUOUS RIGID FRAME BRIDGE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(12): 41-43. doi: 10.13204/j.gyjz200612012

Citation:

Li Zhenxin, Li Xiaozhen, Li Jun, Guo Fengzhe. ANALYSIS OF CRACKS IN BOTTOM SLAB OF EXTRA-LONG PRESTRESSED CONCRETE CONTINUOUS RIGID FRAME BRIDGE[J]. INDUSTRIAL CONSTRUCTION, 2006, 36(12): 41-43. doi: 10.13204/j.gyjz200612012

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ANALYSIS OF CRACKS IN BOTTOM SLAB OF EXTRA-LONG PRESTRESSED CONCRETE CONTINUOUS RIGID FRAME BRIDGE

doi: 10.13204/j.gyjz200612012

1.
1 School of Civil Eng.,Southwest Jiaotong University Chengdu 610031;
2.
2 The Fifth Institute of Railway Survey and Design Beijing 102600

Received Date: 2006-03-17
Publish Date: 2006-12-20

Abstract

Abstract

It is one of the defects that cracks occur in the bottom slab of an extra-long prestressed concrete continuous rigid frame bridge.There are many influence factors.By way of example of a bridge,the causes of cracks are analyzed by means of finite element method and in the light of construction conditions.And some measures to treat the existing cracks are made according to the features of the extra-long prestressed concrete continuous rigid frame bridge,which are expected to serve as reference to the practical application.
- prestressed concrete,
- continuous rigid frame bridge,
- bottom slab,
- cracks,
- influence factor