Abstract
Compared to hot-rolled steel structures, cold-formed steel structures are susceptible to extreme winds because of the light weight of the building and its components. Many modern cold-formed steel structures have sustained significant structural damage ranging from loss of cladding to complete collapse in recent cyclones. This article first provides some real damage cases for light steel structures induced by the high winds. After that, the paper reviews research on the damage analysis and evaluation of light steel structures caused by strong winds, which include connection failure, fatigue failure, purlin buckling, and primary frame component instability problems. Moreover, this review will mention some applications of structure damage assessment methods in this area, such as vulnerability analysis and performance-based theory, etc.
Highlights
IntroductionCompared totohot-rolled steel structures, cold-formed light steel structures are especiallyCompared hot‐rolled steel structures, cold‐formed light steel structures are susceptible especially to extreme winds because of the light weight of the building and its components.It is observed susceptible to extreme winds because of the light weight of the building and its components.manyIt is damage phenomenon in typhoons “YuninNa” [1], “Hgupit”[2,3],[1], CycloneYasi,[2,3], LarryYasi, [4,5]observed many damage phenomenon typhoons “Yun Na” “Hgupit”
The results show that the effectiveness of diaphragm restraints depends on their stiffness and on their height above the shear center axis of the purlin, and the buckling resistance is significantly increased when the loads act below the shear center
Cold-formed light steel structures are especially susceptible to extreme winds because of the light weight of the building and its components
Summary
Compared totohot-rolled steel structures, cold-formed light steel structures are especially. Compared hot‐rolled steel structures, cold‐formed light steel structures are susceptible especially to extreme winds because of the light weight of the building and its components. It is observed susceptible to extreme winds because of the light weight of the building and its components.many. Many modern cold‐formed steel structures had structural sustained damage ranging from loss of cladding and the buckling of the components to the complete collapse to in significant structural damage ranging from loss of cladding and the buckling of the components recent cyclones. As the second member to transfer the load from cladding to the main resisting frame, the C/Z the second member to transfer the load from cladding to the mainAs resisting. C/Z cold cold As formed sections purlins were vulnerable to strong wind. 2, formed sections purlins were vulnerable to strong wind.
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