The Structural Engineer > Archive > Volume 84 (2006) > Issues > Issue 14 > Design challenges – Station steel roof for Boon Lay Extension in Singapore
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Design challenges – Station steel roof for Boon Lay Extension in Singapore

Boon Lay Extension is an extension of the existing east-west railway line to the industrial estate in Singapore. It includes two elevated stations. The paper describes the design challenges of the station steel roof that is formed of single-layer gridshell structures. It covers the structural scheme, macro-buckling analysis, finite-element analysis for the connections and vibration isolation. These considerations have not been well documented. Siak Keong Song, CEng, MICE, MIStructE, PE(S) Land Transport Authority, Singapore Pui Ming Ho, PE(S) Land Transport Authority, Singapore Zeqin Guo, MIStructE, PE(S) Land Transport Authority, Singapore