Richmond Oval

Richmond Oval

The WoodWave© Structural Roof Panel is so named because it is built completely of wood and plywood fastened together in a wave-like form to serve as a structural roof, fi nished ceiling and noisereducing panel.

A year in research and development, the ‘WoodWave’ is a concept borne out of a desire to utilise ordinary 2×4 lumber (that is, nominally 2”x4” or 50mm x 100mm solid timber) in a large span structural application. The outcome offers unique aesthetics, excellent acoustics and the required fi re protection. The WoodWave© Structural Roof Panel is so named because it is built completely of wood and plywood fastened together in a wave-like form to serve as a structural roof, fi nished ceiling and noisereducing panel. The 3.6m x 13.1m wood panels are arched and span between primary wood-steel composite arches mounted on concrete abutments. The client wished to showcase wood and issue a public call for proposals – StructureCraft Builders’ response was to research, develop and utilize ordinary Canadian timber in an unexpected and effi cient way. The resulting all-wood WoodWave roof covers an area of 2.4 hectares and uses standard materials including 2,400m³ of construction grade ‘pine-beetle-affected’ timber and 19,000 sheets of exterior-grade plywood, all supplied directly from British Columbia (BC) mills. The roof structure uses some 6,000 pine-beetleaffected trees in all. StructureCraft, specialists in unique timber structures and developer of the WoodWave panel, in association with Fast+Epp Structural Engineers, conducted extensive research and testing of the use of 2×4 elements in a long-span assembly. The feasibility study concluded that the WoodWave system met all the physical criteria and provided good acoustic performance. LMDG’s analysis demonstrated the system’s surprising fi re resistance (given it is made of such slender elements). The WoodWave panel profi le and the regular openings in the ceiling also help to absorb sound energy and minimise reverberation of crowd noise and amplifi ed sound, while the shadow pattern created by the delicate wood strands creates a visual texture unusual in a building of this scale.

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