Vol. 18, No. 3, pp. 687-698 (2022)
SEGMENTED ASSEMBLY CONSTRUCTION FORMING METHOD
WITHOUT BRACKETS OF SPATIAL CABLE-TRUSS STRUCTURE
WITHOUT INNER RING CABLES
Jian Lu *, Su-Duo Xue, Xiong-Yan Li and Majid Dezhkam
College of Civil and Architecture Engineering, Beijing University of Technology, 100 Ping Le Yuan, Chaoyang District, Beijing 100124, China
*(Corresponding author: E-mail:This email address is being protected from spambots. You need JavaScript enabled to view it.)
Received: 17 June 2021; Revised: 16 January 2022; Accepted: 31 January 2022
DOI:10.18057/IJASC.2022.18.3.6
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ABSTRACT
Spatial cable-truss structure without inner ring cables (SCSWIRC) is a new cable-truss tension structure (CTTS), the features of which are composed of a series of planar cable-truss frames interwoven with each other. Its anti-collapse capacity is better, but its construction forming is complex. The reasons are that the strut’s number and length will be enlarged with the span increase. Serious collision and winding of struts occur during construction due to SCSWIRC formed by a series of planar cable-truss frames interwoven with each other, which cause many difficulties in construction. According to the complex problem of construction forming, the segmented assembly construction forming method without brackets is proposed for SCSWIRC, and the basic idea of the proposed method is elaborated in detail. The SCSWIRC’s experimental model with a 6m is designed, and numerical simulation and experimental research were carried out on the experimental model. The experimental results show that the error range of the internal forces of cables and struts is 6.99%~11.58%, and displacement errors of node 1 and node 2 are 3.27mm and 3.81mm, respectively verifies the feasibility and correctness of the proposed method. Then the static and dynamic experiment is carried out based on the final formed model. The static and dynamic experiment verifies the feasibility of the final formed model, which further shows the rationality and correctness of the segmented assembly construction forming method without brackets.
KEYWORDS
Spatial cable-truss structure without inner ring cables (SCSWIRC), Segmented assembly without brackets, Model design, Construction forming, Static and dynamic experiment
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