The Meticulous Analysis of Skew Beam Based on the Space Skew Beam Element Method

Xiang Feng Xu; Feng Zhang; Guang Zhi Qi

doi:10.4028/www.scientific.net/AMM.578-579.220

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HomeApplied Mechanics and MaterialsApplied Mechanics and Materials Vols. 578-579The Meticulous Analysis of Skew Beam Based on the...

The Meticulous Analysis of Skew Beam Based on the Space Skew Beam Element Method

Abstract:

When a skew bridge is analyzed, it is difficult to treat skew boundary conditions with general space beam element in single beam calculation of skew beam bridge. The stiffness of skew bridge cannot be simulated efficiently. In order to improve the accuracy of skew bridge, the stiffness matrix of the space skew beam element is derived based on the principle of minimum potential in this paper, this element is suitable for single beam of skew bridge and grillage method. A corresponding program is completed by Visual C++, the calculated results of different finite element models are compared, so the validity of the proposed model in this paper is validated. This paper can provide reference for plane and space calculation of the skew bridge design.

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Periodical:

Applied Mechanics and Materials (Volumes 578-579)

Pages:

220-224

DOI:

https://doi.org/10.4028/www.scientific.net/AMM.578-579.220

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Online since:

July 2014

Authors:

Xiang Feng Xu, Feng Zhang, Guang Zhi Qi

Keywords:

Beam Element, Inclined Support, Principle of Minimum Potential, Skew Bridge, Stiffness Matrix

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