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- W2357248870 abstract "For the sake of further researching the mechanical property of pretensioned concrete beams with prestressed reinforcement in polyline,the 3D nonlinear finite element model was established by ANASYS software.This model adopted separate finite element model,and the polyline prestressed reinforcement of the pretensioned beam was simulated by body element while the corner radius selects the optimized radius size.The influence of bend degree α,reinforcement spacing D and cement concrete strength grade,etc.at the polyline prestressed reinforcement inflection point of pretensioned beam were discussed.The results show that(1) the influence of α on the maximum vertical stress σymax is minor,while the larger α can help to relief the stress concentration;(2) the influence of reinforcement spacing D on local stress distribution is slight,but the smaller D may induce stress superposition in the transverse direction;(3) to the pretensioned beam with optimized radius size at inflection point,the cement concrete strength grade has smaller influence on the local stress distribution since the constitutive relation at lower stress levels is no significant difference between different strength grades." @default.
- W2357248870 created "2016-06-24" @default.
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- W2357248870 date "2012-01-01" @default.
- W2357248870 modified "2023-09-23" @default.
- W2357248870 title "Impact of Structural Parameters and Material Parameters on Local Stress Distribution in Polyline Pretensioned Beam" @default.
- W2357248870 hasPublicationYear "2012" @default.
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