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Received: 2006-11-17

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Journal of Zhejiang University SCIENCE A 2007 Vol.8 No.9 P.1366~1372

http://doi.org/10.1631/jzus.2007.A1366


Initial pre-stress finding procedure and structural performance research for Levy cable dome based on linear adjustment theory


Author(s):  ZHANG Li-mei, CHEN Wu-jun, DONG Shi-lin

Affiliation(s):  Space Structures Research Center, Shanghai Jiao Tong University, Shanghai 200030, China

Corresponding email(s):   zhanglimei@sjtu.edu.cn, cwj@sjtu.edu.cn

Key Words:  Linear adjustment theory, Cable-strut structure, Initial pre-stress, Levy cable dome, Structural performances analysis


ZHANG Li-mei, CHEN Wu-jun, DONG Shi-lin. Initial pre-stress finding procedure and structural performance research for Levy cable dome based on linear adjustment theory[J]. Journal of Zhejiang University Science A, 2007, 8(9): 1366~1372.

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author="ZHANG Li-mei, CHEN Wu-jun, DONG Shi-lin",
journal="Journal of Zhejiang University Science A",
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number="9",
pages="1366~1372",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A1366"
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%T Initial pre-stress finding procedure and structural performance research for Levy cable dome based on linear adjustment theory
%A ZHANG Li-mei
%A CHEN Wu-jun
%A DONG Shi-lin
%J Journal of Zhejiang University SCIENCE A
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%N 9
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%@ 1673-565X
%D 2007
%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A1366

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T1 - Initial pre-stress finding procedure and structural performance research for Levy cable dome based on linear adjustment theory
A1 - ZHANG Li-mei
A1 - CHEN Wu-jun
A1 - DONG Shi-lin
J0 - Journal of Zhejiang University Science A
VL - 8
IS - 9
SP - 1366
EP - 1372
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A1366


Abstract: 
The cable-strut structural system is statically and kinematically indeterminate. The initial pre-stress is a key factor for determining the shape and load carrying capacity. A new numerical algorithm is presented herein for the initial pre-stress finding procedure of complete cable-strut assembly. This method is based on the linear adjustment theory and does not take into account the material behavior. By using this method, the initial pre-stress of the multi self-stress modes can be found easily and the calculation process is simplified and efficient also. Finally, the initial pre-stress and structural performances of a particular levy cable dome are analyzed comprehensively. The algorithm has proven to be efficient and correct, and the numerical results are valuable for practical design of levy cable dome.

Darkslateblue:Affiliate; Royal Blue:Author; Turquoise:Article

Reference

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