Affiliation:
1. Department of Civil Engineering, Tianjin University, Tianjin 300072, People's Republic of China
Abstract
As a kind of hybrid space structures, the suspendome system increases the stiffness and improves the stability of the original dome system by the appropriate use of prestressing cables. Based on the engineering application of suspendome in Tianbao Center (completed in China, 2002), the present paper concentrates on the stability performance of the suspendome with a span of 35.4m using different structural parameters, including the rise-span ratio, magnitude and level settings of initial prestressing in cables, connection rigidity and boundary support condition. Stability performances including buckling mode, critical loads and sensitivity to initial geometric imperfection are studied in detail, and contrast analyses with the corresponding singly-layer shells are carried out to study the superiorities of the suspendome over the single-layer shell. Some valuable conclusions are drawn for practical design.
Subject
Building and Construction,Architecture,Civil and Structural Engineering,Conservation
Reference5 articles.
1. Optimum shapes of a cable dome structure
2. Shizhao Shen, Xin Chen, Buckling of shells, Beijing (in Chinese), 1999, pp 56–59.
3. Zuyan Shen; Yangji Chen, Space trusses and shells, Shanghai (in Chinese), 1997, p. 197.
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13 articles.
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