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Fabricated T-shaped bridge transverse links of finite element analysis and reinforcement

Author: ChenKeJian
Tutor: FangShuJun
School: Central South University
Course: Civil Engineering
Keywords: T-shaped girder bridge Horizontal links Damage Finite Element
CLC: U445.72
Type: Master's thesis
Year: 2011
Downloads: 38
Quote: 0
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Abstract


The bridge has been built , small and medium- span bridges occupy the majority. T-beam bridge because of its unique advantages in the small and medium- span bridge is widely used . T-shaped girder bridge after a period of operation , there have been a variety of diseases , including lateral bracing damaged most prominent , had a negative impact on the use of the bridge . In this paper, a span of 20 meters fabricated T-shaped girder bridge as the basis to calculate the real bridge load test method of combining space theory of finite element software to carry out the fabricated T-shaped girder bridge transverse links no damage and modeling technology research in the injury of two cases . The main contents and conclusions are as follows : 1 , Midas FEA establish five beam lossless the T beam the three lateral bracing ( hinged coupling half just half hinge links , just pick links ) model to investigate the three transverse links , T-shaped beam modeling of the bridge , and the calculated results with the conventional calculation results comparative analysis to verify the correctness and validity of the modeling approach . Guangzhou Port Xinsha overpass engineering background , to establish injury finite element model of the T - beam bridge and computational analysis , to verify the validity of the model and calculation method . 3, calculated based on the model of the T - beam bridge , there is damage , explore the T-shaped bridge reinforcement , and diaphragm to reinforce research . This article is the injury beam to create a finite element analysis model and simulation reinforcement correlation analysis can provide practical engineering data and reference .

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CLC: > Transportation > Road transport > Bridges and Culverts > Bridge Construction > Bridge maintenance, repair and remediation > Bridge strengthening
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