Mechanical Calculation Model for L-Shape Traffic Signs Bar with Variable Cross-Section

Ben Ning Qu; Bang Cheng Yang; Ran Guo

doi:10.4028/www.scientific.net/AMM.444-445.1001

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 444-445Mechanical Calculation Model for L-Shape Traffic...

Mechanical Calculation Model for L-Shape Traffic Signs Bar with Variable Cross-Section

Abstract:

L shape traffic sign bar is composed of a stand column and a cantilever bar using bolted connection. The cross-section of stand column and a cantilever bar is closed thin wall with regular octagon and their cross sectional area is variable along axial line. The calculation formulas of stress for cantilever bar, stand column and flange bolts and calculation formulas of deformation for L rod are derived under gravities and wind loads, which provide theoretical basis for the design and use of L-shape bar. Calculation results using these formulas by comparison with finite element calculation results verify the correctness.