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Research on the Structure Calculation of Truss Combination Arch Bridges Strengthening with Releasing Energy Method

Author: LiShiChun
Tutor: MengYun
School: Chongqing Jiaotong University
Course: Bridge and Tunnel Engineering
Keywords: Truss Arch Bridge Energy release method Finite Element Analysis System conversion ANSYS Contact surface
CLC: U445.72
Type: Master's thesis
Year: 2010
Downloads: 21
Quote: 2
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Abstract


Truss Arch Bridge as China's first in the eighties of last century a new type of bridge type, with its light and beautiful across ability, save labor and material, simple in construction and other prominent advantages in the past 30 years has been vigorously promoting. However, after nearly 30 years of development and use of this bridge type gradually revealed many shortcomings. Timely reinforcement and repair of such critically ill Truss Arch Bridge has come to a critical state. However, the traditional old bridge reinforcement and maintenance Truss Arch Bridge, the most cases the role is quite limited. \their own potential to explore the main arch, economic, fast to improve the the arch bridge bearing capacity of the new methods, new technologies and new processes. With the \2008 Chongqing Jiaotong University research group led by Professor Meng cloud release energy method \Therefore, the energy release method \Papers to the Franco-German Bridge engineering background, the first use of The Bridge Doctor 3.0 Creating a Franco-German Bridge original bridge finite element model to simulate the construction process, and the dead load, live load and load combination of static analysis, the truss the main causes of diseases and defects of the Arch Bridge. Release slot \slot simulation problems. On this basis, the Franco-German Bridge Engineering practice as the basis, through the establishment of the \Truss Arch Bridge correctness, using the finite element calculation of the energy release feasibility. Proving that the energy release method to improve Truss Arch Bridge is safe and feasible. Technology popularization and application for the energy release \

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