Research and Analysis of Japanese Steel Cantilever Support Structure Property

LIN De-fu; GU Xiao-dong; HAN Ling-qing

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Journal of Railway Engineering Society ›› 2013, Vol. 30 ›› Issue (2) : 86-89.

Research and Analysis of Japanese Steel Cantilever Support Structure Property

LIN De-fu，GU Xiao-dong，HAN Ling-qing

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Abstract

Research purposes: The aluminum alloy cantilever support structure are commonly used for the catenary system of the high-speed railway in China. It has many advantages，such as less weight，easy construction and needing no embalming after cutting, but its shortcomings are obvious, such as poor structure strength and poor resistance to chloride corrosion in coastal areas. As China is vast in territory and various in climate, in order to adapt to the various climate，it is necessary to seek the cantilever support structure of catenary system that can adapt to a variety of climatic characteristics. The Japanese steel cantilever support structure, much different from the common type cantilever, has its own advantages, so the research on its application in the catenary system in China has a notable effect on improving the reliability of the catenary system in Chinas coastal and strong wind regions.

Research conclusions: An analysis program was compiled for the Japanese steel cantilever structure with finite element method and ANSYS software. Combined with the standards and real project condition, the results of the static and modal analyses to the Japanese steel cantilever structure were studied. The result showed that the Japanese steel cantilever support structure had a lot of merits，such as the less deflection after loading and being uneasy to produce resonance due to the strong overall stability, and its static strength met the design requirements. So it has good applicable prospecting.

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catenary / cantilever support structure / finite element

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LIN De-fu, GU Xiao-dong, HAN Ling-qing. Research and Analysis of Japanese Steel Cantilever Support Structure Property[J]. Journal of Railway Engineering Society, 2013, 30(2): 86-89

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