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Simulation of Pre-Stressing Construction of Suspen-Dome Considering Sliding Friction Based Large Curvature Assumption

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In order to study on the effect of friction between the cable-strut joints and the hoop cables on the pre-stressing construction of suspen-dome structures, a simplified method is presented based on frozen-heated theory and large curvature assumption. Using this method to simulate the pre-stressing construction of suspen-dome, only a few program codes are needed to write by APDL language in ANSYS software, so it is very convenient. With the proposed method, an analysis for pre-stressing construction of the suspen-dome structures is carried out, and the results show that: (1) the presented method can effectively simulate the pre-stressing construction process; (2) the sliding friction can be effectively calculated by both non-curvature assumption and curvature assumption for suspen-dome structures; (3) the sliding friction makes a significant effect on the pre-stressing construction; (4) the friction coefficient, number of pre-stressing point and pre-tensioning control value have a great influence on the pre-stressing construction; (5) the cable-strut joint with small friction coefficient is suggested for future design of suspen-dome.
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Keywords: PRE-STRESSING CONSTRUCTION; PRE-STRESSING LOSS; SLIDING FRICTION; SUSPEN-DOME

Document Type: Research Article

Publication date: August 1, 2011

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  • ADVANCED SCIENCE LETTERS is an international peer-reviewed journal with a very wide-ranging coverage, consolidates research activities in all areas of (1) Physical Sciences, (2) Biological Sciences, (3) Mathematical Sciences, (4) Engineering, (5) Computer and Information Sciences, and (6) Geosciences to publish original short communications, full research papers and timely brief (mini) reviews with authors photo and biography encompassing the basic and applied research and current developments in educational aspects of these scientific areas.
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