Infrastructure Engineering - Research Publications

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    Quantification of the contribution of non-structural components to the structural performance of high-rise buildings
    Li, B ; Duffield, CF ; Hutchinson, GL (Department of Civil Engineering, National Taiwan University, 2008-12-01)
    Non-structural components (NSCs) such as infill walls, façades, stairs, and windows are normally considered as non-load bearing components in the design of buildings. However, a number of researchers have identified that those so-called NSCs have a significant contribution to the lateral performance of the structure. This paper presents the findings of the investigation into the influence of a variety of NSCs on the performance of typical high-rise framed structures via the observation of the influence of these NSCs on the shear and flexural performance, as well as the lateral stiffness of the structures. Finite element (FE) models have been developed to analyse storey drifts, shear force distributions, bending moment distributions, and joint rotations under different structural configurations. The results of the study indicate a significant decrease of the storey drift can be achieved by including different NSCs to the structural frame. Dramatic changes to both the bending moment and the shear force distributions in the inner columns of the structural frame are resulted from the inclusion of NSCs. However, the influence of these NSCs on the flexural and shear performance of the outer columns of the building is significantly less than that of the inner columns. It is concluded that the enhanced performance of actual buildings by including NSCs provides opportunity for refining of the lateral deflection of the building for the serviceability limit states.
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    Infrastructure investment decisions - issues surrounding the use of financial analysis
    Duffield, C ; Hutchinson, GL (Nanyang University, 2001)