Simulation of Pre-Stressing Construction of Suspen-Dome Considering Sliding Friction Based Large Curvature Assumption
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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Document Type: Research Article
Publication date: August 1, 2011
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