2021
DOI: 10.1016/j.apacoust.2021.108017
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Improved low-frequency performance of cross-laminated timber floor panels by informed material selection

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Cited by 11 publications
(6 citation statements)
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“…The fact that dynamic rolling shear modulus is considerably higher than quasi-static rolling shear modulus is usually not recognized when assessing relationships between rolling shear modulus and dynamic response of CLT (e.g. Persson et al 2021). Additionally, this difference indicates a tangible viscoelastic behaviour of wood with respect to rolling shear and thus confirms the potential risk of substantial creep in rolling shear as demonstrated in a few studies (e.g.…”
Section: Dynamic Longitudinal Moe and Effective Rolling Shear Modulusmentioning
confidence: 97%
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“…The fact that dynamic rolling shear modulus is considerably higher than quasi-static rolling shear modulus is usually not recognized when assessing relationships between rolling shear modulus and dynamic response of CLT (e.g. Persson et al 2021). Additionally, this difference indicates a tangible viscoelastic behaviour of wood with respect to rolling shear and thus confirms the potential risk of substantial creep in rolling shear as demonstrated in a few studies (e.g.…”
Section: Dynamic Longitudinal Moe and Effective Rolling Shear Modulusmentioning
confidence: 97%
“…Studies have shown that Gr for Scots pine is about 30-60% higher than for Norway spruce, and for hardwoods, it is even higher (Ehrhart and Brandner 2018;Aicher et al 2016). Persson et al 2021 demonstrated that a higher rolling shear modulus may have a substantial positive effect on vibration performance of CLT. demonstrated how the location of the pith, in relation to sawn timber cross sections, affects the relationship between clear wood rolling shear modulus and effective rolling shear modulus.…”
Section: Introductionmentioning
confidence: 99%
“…Due to the 2.5D nature of FSDT, the remaining two orthotropic engineering constants, namely the two Poisson's ratios, must be inferred when all nine orthotropic engineering constants are required, such as for input in some FEA software. These two remaining Poisson's ratios are found to be insensitive to the eigenfrequencies of CLT plates and beams [10,18,31]; therefore, the assumption was made that…”
Section: Macromechanics Of Cltmentioning
confidence: 99%
“…A madeira laminada cruzada, em inglês, cross-laminated timber (CLT), é definida como uma madeira engenheirada sólida, composta por três a sete camadas ortogonais de madeira serrada (WANG; GONG & CHUI, 2015). Com excelente desempenho acústico e térmico, além de uma elevada resistência ao fogo, os painéis de CLT são compostos de várias camadas individuais de laminação de madeira (Figura 4), que são secas em estufa, empilhadas em direções alternadas, coladas com adesivos estruturais e prensadas, de modo a formar um painel sólido, reto e retangular (APA, 2019;PERSSON et al, 2021).…”
Section: Madeira Laminada Cruzada (Clt)unclassified
“…A composição em camadas orientadas transversalmente permite a fabricação de grandes painéis, com alta rigidez e capacidade de carga em relação ao seu peso (PERSSON et al, 2021), podendo ser utilizados em lajes e paredes (Figuras 5 e 6). Os grãos das laminações de madeira são colados em paralelo ao comprimento da peça final, permitindo seu uso como uma simples viga em uma estrutura residencial, ou ainda para arcos para telhados abobadados com mais de 150 metros de comprimento (Figura 8) (APA, 2019).…”
Section: Madeira Laminada Cruzada (Clt)unclassified