Empirical analysis of roof slope influence on material consumption in timber howe-type trusses
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Universidade Federal de Minas Gerais
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Artigo de periódico
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Membros da banca
Resumo
In Brazil, some tile manufacturers have proposed a 10% (5.5°) slope between chords to minimize timber consumption. However, after simulating 21 slopes from 7% (4°) to 27% (15°), it was discovered that the axial strengths are inversely proportional to the slope, creating overly large dimensions for the bars competing for support. The results were obtained using software developed following the guidelines specified in the revised version of the ABNT NBR 7190 (2022) standard. Finally, it was found that the minimum slope until no reinforcement is needed for the string bars is 16% (9°).
Abstract
Assunto
Estruturas de madeira (construção civil), Treliças (construção civil)
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Timber structure, Plane truss, Timber consumption, Roof slope
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Endereço externo
http://www.woodresearch.sk/cms/empirical-analysis-of-roof-slope-influence-on-material-consumption-in-timber-howe-type-trusses/