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1. Research on Structure Analysis and Design Optimization of Lamella-Kiewitt Suspend-dome | |||
KHON Sambo,LI Jingbin | |||
Civil and Architectural Engineering 07 May 2020 | |||
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Abstract:In this paper, the consideration of system selection of long-span steel structure, and the structural analysis and design optimization of Lamellar-Kiewitt suspend-dome were studied. The first part of this paper summarized and classified all kinds of the long-span spatial steel structure system, and their main structural features, development, and application, advantages, and disadvantages were briefly introduced. Selecting the feasible system was considered based on architecture, structure, economy, and buildability index. The Lamella-Kiewitt suspend-dome is selected as the roof structure, and the static performance of the structure is obtained by nonlinear geometric static analysis, the eigenvalue analysis is carried out by subspace iteration method, and the response spectrum analysis is adopted for dynamic analysis of the structure. The axial stress in cable-strut, the overall deflection of the roof structure, and the natural frequency were satisfied with the Chinese design code. The structural optimization of the roof structure is studied under the various rise-to-span ratio, strut-height, and single-layer reticulated shell types. Analyses and optimization of suspend-dome in the paper were conducted with finite element software Midas Gen. From the result of optimization show that the total steel consumption of Lamella-Kiewitt single-layer suspend-dome structure with four hoop cables has a good economy. The study of this paper can provide a reference for the construction of a similar structure in the future. | |||
TO cite this article:KHON Sambo,LI Jingbin. Research on Structure Analysis and Design Optimization of Lamella-Kiewitt Suspend-dome[OL].[ 7 May 2020] http://en.paper.edu.cn/en_releasepaper/content/4751993 |
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