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132 STRUCTURE AS ARCHITECTUREPin jointStructural model (stability provided by structure elsewhere in plan)Sawn-timber, pole, glue-laminated timber, plywood box-beamParallel chord trussInverted bowstring trussComposite timber-steelBeam and truss optionsComposite timber-steel trussPole Spindle-shaped Composite timber-steel Pole Solid Built-up ClusteredPost options▲ 7.1Alternative structural member options for timber post-and-beam construction.come together make each hand interesting and beautiful. In a buildingthese details should not be put into a mitten and hidden. You should makethe most of them. Space is architectural when the evidence of how it ismade is seen and comprehended. 2Where detailing is hidden from view, however, then any design considerationsbeyond structural performance, economy and buildability arewasted. A pragmatic approach to detailing is quite sufficient.As well as reflecting or expressing the architectural design concept, asnoted above, structural detailing must be structurally adequate andconsistent with the structural engineering assumptions. For example, a