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Research on Mechanical Behavior of Combined Sections Used in Steel-Reinfouced Concrete Pillar Base
Author: LiDa
Tutor: LiuLaiJun
School: Chang'an University
Course: Bridge and Tunnel Engineering
Keywords: Steel - concrete joints Force performance Model test Finite Element Simulation
CLC: U441
Type: Master's thesis
Year: 2011
Downloads: 27
Quote: 1
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Abstract
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Steel - concrete joints as a bridge tower one of the most important structural node connected steel towers and concrete pillar base , its reasonable direct impact on the design of bridges and structural safety , a result of the joint force performance study has important . Beijing Fangshan five passengers and steel - concrete joint engineering background , steel - concrete joints bending specimen using a scale model tests . Deformation and strain history of the parts of the steel - concrete joints obtained by loading tests , analysis of the joint stress distribution and stress transfer law , to verify the performance of the joint security role under the most unfavorable load combination , to further test the measured data and finite element the calculated results were compared to verify the reliability of the test results . The model test on the basis of theoretical calculations , finite element analysis, analyze , and verify real the bridge steel - concrete joints safety performance under the most unfavorable load combination effects . The thesis analysis results show that : by force performance bending concrete member force performance similar loads , steel - concrete specimens . Loads at all levels in the maximum axis force load combination , the maximum bending moment load combination of steel - concrete joints stress comply with the design requirements of each component ; steel - concrete joints , steel structure high stress can be uniformly smooth to the concrete low stress transfer , diffusion . The role of the failure load , the possibility of damage due to pull out of the concrete pillar base of high-strength bolts .
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CLC: > Transportation > Road transport > Bridges and Culverts > Structural principles, structural mechanics
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