索-钢/铝合金组合结构初始态确定及静力分析

doi:10.3969/j.issn.1007-2861.2014.05.009

Abstract

Abstract: Composite cable and steel/aluminum structure is a new system. It is in a selfstress and stable self-equilibrated state, comprising a continuous set of tension members
(cables) and a discontinuous set of compression components (steel pipes or alloy tubes). Starting from an initial specified geometry and topology, the initial self-stress is determined using a dynamic relaxation method. The behavior of the structure is analyzed for safely resisting the self-weight and applied static load using the Newton-Raphson method. To understand its mechanical property, steel pipes and alloy tubes are used as compression members respectively in the two kinds of composite structures. Application of the process is shown with a numerical example. It is concluded that that improvement in engineering application of the composite cable and steel/aluminum structure has been achieved.

Key words: composite cable and steel/aluminum structure, initial self-stress state, mechanical property

CLC Number:

TU 398.9

ZHANG Li. Initial state determination and static analysis of composite cable and steel/aluminum structures[J]. Journal of Shanghai University（Natural Science Edition）, 2015, 21(5): 631-639.

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Initial state determination and static analysis of composite cable and steel/aluminum structures

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