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Research on the Damping Performance of Tandem Vibratory Rollers

Author: SunZhiWei
Tutor: ZuoXiaoGuang
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: CFST Arch Bridge Precamber Finite Element Static load
CLC: U448.22
Type: Master's thesis
Year: 2011
Downloads: 41
Quote: 0
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Abstract


Concrete Filled Steel Tubular Tied Arch Bridge is a novel structure of the system , due to its unique performance of the force and large spanning capacity , so have a good advantage in modern bridge construction . CFST arch bridge has a high capacity , good ductility and seismic performance features arch bridge construction in recent years has been widely adopted . But at this stage CFST arch bridge design are still used in masonry arch bridge specification method , does not truly reflect the characteristics of concrete filled steel tubular arch bridge structure . Especially when the design of pre- camber arch masonry arch bridge estimation methods can not substitute CFST Arch Bridge Precamber . The Hutuo Bridge is located in Shijiazhuang city in the north and west of Zhengding County , belongs to Zhang the Stone Expressway Shijiazhuang North Export Extensions Project . The main bridge 40 200 40m Borne basket handle arch bridge structure , the main arch rib arch, steel beams between the main span arch . In this paper, the background of the project , a series of research and analysis on the steel pipe concrete arch bridge Precamber in set problem using the finite element method . The main results are as follows : the system and summarize the reason the arch bridge Precamber set of factors to be considered in the actual settings and set methods , and actual CFST Arch Bridge , for example , calculated pre- camber . Practical engineering background , the use of the Midas / Civil SAP finite element software , set up the finite element analysis model for CFST Arch Bridge . Test the maximum deflection of the actual CFST Arch Bridge under its own weight , and the actual CFST Arch Bridge bridge static test . 4 . Using the finite element method , the maximum deflection of the actual CFST Arch Bridge under its own weight and the bridge test loads , that is, pre the arch -degree analog . The simulation results are very close to the experimental values ??, indicating that the correctness of the finite element model . The results of this research on arch bridge , especially the steel pipe concrete arch bridge Precamber in set and influence has some practical engineering significance and reference value .

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CLC: > Transportation > Road transport > Bridges and Culverts > All kinds of bridges > Bridge: Structure > Arch bridge
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