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Mechanical properties of cross-laminated timber (CLT) panels composed of treated dimensional lumber
Item TypeGraduate Thesis
AdvisorLim, Hyungsuk (Thomas)
Embargo TypeComplete Embargo 1 Year
Embargo Lift Date08/15/2020
This research study investigates the effect of micronized copper azole type C (MCA-C) preservative system on the rolling shear (RS) properties of CLT. In the first part of research, bonding performance of CLT panels treated at two retention levels, 0.96 kg/m3 and 2.5 kg/m3, were evaluated. Three structural adhesive systems, melamine formaldehyde (MF), resorcinol formaldehyde (RF) and one-component polyurethane (1C-PUR) were used to assemble visually graded No. 2 2×6 southern yellow pine (SYP) lumber while manufacturing CLT panels. For treated CLT panels, 1C-PUR provides better bonding performance test results. The RS properties of MCA-C treated CLT panels were studied in the second part of the research. The CLT panels were subjected to out-of-plane loading according to the EN 16351 standard. The mean values of RS strength and modulus of treated CLT were 1.89 MPa and 289.4 MPa respectively.
DegreeMaster of Science
MajorWood Science and Wood Products
Pulp and Paper Technology