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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 510Linear Stability Analysis of Space Compressive...

Linear Stability Analysis of Space Compressive Structure of the Inverted-V Combinatorial Jib

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Abstract:

In order to study the problem of stability-losing load of the super-big crane jib with the inverted-V shape, this paper completed theoretical analysis, simulation and verification. Based on the stability-losing load formula considering shearing-force influence of compressed solid column, the limit load formula of the inverted-V combinatorial jib was obtained. Then, the method of force was applied to getting the shear angle formula of the inverted-V combinatorial jib under unit shear load. After using the proved formulas and software SAP2000 in linear buckling analysis of 28 combinatorial jibs consisting of two kinds of typical-section rods, the results demonstrated that: As for combinatorial structure consisting of cross-shaped web members, the error between results of the proved limit load formula and finite element calculation was within-5% when the aspect ratio of the inverted-V combinatorial jib was above 3.

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Machinery, Materials Science and Engineering Applications, MMSE2012

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Periodical:

Advanced Materials Research (Volume 510)

Pages:

182-190

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.510.182

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Online since:

April 2012

Authors:

Wen Jun Li, Xiao Lei Xiong, Xi Wei Dai, Qi Cai Zhou

Keywords:

Inverted-V Combinatorial Jib, Linear Stability Analysis, Sap2000, Space Compressive Structure

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© 2012 Trans Tech Publications Ltd. All Rights Reserved

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