Form Finding of the SCST Structures by means of Cable tensioning
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This paper is focused on the form finding of three kinds of cable-tensioned SCST structures that are constructed with bolt type joint by gusset plate, only bolt type joint, and ball type (Mero type) joint. The cable tensioning method for SCST structure is an innovative, fast, and economical construction method in the special construction site or field condition. In this paper, the unit shape of test models consist of uniform pyramids, from the planar structures on the ground, the space structures are shaped and erected into its final curved space structures by means of cable tensioning. The feasibility of the proposed cable-tensioning technique and the reliability of the established geometric model were confirmed with nonlinear finite element analysis and experiments for a small-scale test models. Through the experiments in the SCST structures by means of cable tensioning, within the yield limit of the members, a planar layout can be deformed to desired space shape. As a results, the proposed cable tensioning technique could be applied the form finding of the various SCST structures, so we can know the behavior characteristic of the joint for each types in practical design purposes. For a special site condition of construction field, this cable tensioning technique should be an economic and reasonable construction method compare to conventional construction method including the heavy crane and scaffold.
Innovations in Structural Engineering and Construction (ISEC-06)
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