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Nonlinear Analysis and Program Design of Preflex Beam

Author: LiXu
Tutor: HuangQiao
School: Harbin Institute of Technology
Course: Bridge and Tunnel Engineering
Keywords: preflex beam nonlinear analysis analysis program
CLC: TU311.41
Type: Master's thesis
Year: 2007
Downloads: 53
Quote: 0
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Abstract


With the rapid improvement of computer technology and finite element methods, structure analysis became more reasonable. The design and research methods of structures had a great change as before.This paper introduced the fundamental of preflexed beam; Aggregated the research development of preflexed beam at home and abroad in the past years; Discussed the material modeling and selected the stress-strain relationship of steel and concrete which is suitable for the nonlinear analysis of preflex beam; Indicated the essential of material nonlinearities; Expounded how to set up the nonlinear equations and solve it ; Researched the layer theories based on section which is for nonlinear analysis of preflexed beam; Obtained the M -φand P -δcurves ; At last,writed the program to calculate strain,stress,internal force and deformation on each stage of preflexed beam.

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CLC: > Industrial Technology > Building Science > Building structure > Structure theory to calculate > Structural Mechanics > Calculation method > Computer-aided structural design and calculation
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