Please use this identifier to cite or link to this item: https://doi.org/10.1061/(ASCE)0733-9445(2000)126:3(361)
Title: Nonlinear analysis of self-erecting framework by cable-tensioning technique
Authors: Punniyakotty, N.M.
Liew, J.Y.R. 
Shanmugam, N.E. 
Issue Date: Mar-2000
Source: Punniyakotty, N.M., Liew, J.Y.R., Shanmugam, N.E. (2000-03). Nonlinear analysis of self-erecting framework by cable-tensioning technique. Journal of structural engineering New York, N.Y. 126 (3) : 361-370. ScholarBank@NUS Repository. https://doi.org/10.1061/(ASCE)0733-9445(2000)126:3(361)
Abstract: Self-erecting structures eliminate the need for expensive scaffolding and are safer and faster to construct. This paper deals with the application of nonlinear analysis to study the erection of space trusses by tensioning of cables placed inside some chord members. Based on the study, the criteria and parameters that govern and influence the erection of a framework are identified. The arrangement of cables and the magnitude of tensioning forces need to be predetermined based on the final structural configuration to be achieved. A special program has been developed to examine the precise conditions under which self-erection is possible, and whether or not the erection process induces self-equilibrium internal stress states at each incremental step. Several examples, including square-grid and hexagonal-grid space trusses, have been considered for the study. It is found that Maxwell's rule governing the requirement of number of joints, members, and kinematic constraints at the supports of a structural assembly is not sufficient to determine the feasibility of erection by cable-tensioning. The proposed analysis technique and procedure is capable of simulating the erection process and, at the same time, monitoring the stability condition of the structure during the self-erecting process.
Source Title: Journal of structural engineering New York, N.Y.
URI: http://scholarbank.nus.edu.sg/handle/10635/65878
ISSN: 07339445
DOI: 10.1061/(ASCE)0733-9445(2000)126:3(361)
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