Wind loads on contemporary Australian housing

Contemporary 1 and 2-storey houses being built in and around Brisbane and Melbourne have been surveyed and representative houses defined. Wind tunnel studies on 1/50 scale wind tunnel models are used to determine the spatial and temporal variation in wind pressures across the roof surface and data used to determine truss hold down loads. This study showed that 1-storey houses experience smaller roof truss hold-down forces that those determined from the Standards AS/NZS 1170.2 and AS4055 whereas 2 storey houses experienced hold-downs equal to or greater than those specified in AS/NZS 1170.2.

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AWES17: 17th Australasian Wind Engineering Society Workshop

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