Shear Strength of Nailed Connection of Domestic Plywood as a Substitute for OSB

Suh, Jin-Suk; Hwang, Sung-Wook; Hwang, Kweon-Hwan; Jeong, Gi Young; Joung, Ha-Hyun

doi:10.5658/wood.2012.40.4.287

Cited by 2 publications

(1 citation statement)

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“…has developed with the yield of raw materials, efficient use of resources, and low prices (Pang et al 2023). Recently, to replace imported oriented strand board (OSB) used as sheathing panel in light-frame construction, research using plywood and particle board was conducted (Suh et al 2012;Pang et al 2023). To secure the price competitiveness of CLT made from conventional lumber, Ply-lam CLT, which contains laminated plywood on cross layer among woodbased materials, appeared in 2015 (Choi et al 2015;Choi et al 2018;Yang et al 2021).…”

Section: Introductionmentioning

confidence: 99%

Comparison of mechanical properties according to the structural materials of lumber, GLT, CLT, and Ply-lam CLT

Yang,

Choi,

Kim

et al. 2023

BioRes

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The mechanical properties of materials such as lumber (L), glued laminated timber (GLT), cross-laminated timber (CLT), and Ply-lam CLT (P), which are laminated in cross layers, were compared. As a result, the modulus of elasticity (MOE) was 9.7 to 10.3 GPa, showing no significant difference between the materials. Modulus of rupture (MOR) of L and GLT showed higher strength than that of CLT and P. MOR of CLT and P was at the same level, and there was no difference in strength according to the plywood and lumber arranged alternately. Alternatively, there was a difference in the coefficient of variation of the materials, and CLT and P was 20.2% and 11.8%, respectively; therefore, uniform properties can be secured when using plywood. The compression strength showed the highest compression strength in the order of GLT, L, P, and CLT. P was failure by buckling+delamination, but other materials showed failure by only buckling. The adhesion of P passed the glulam standard (7.0 MPa), and the delamination ratio was very low at 0.41%. It can be used together with CLT. This study is expected to be used as basic data for establishing quality standards.

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