Author

Bojan Cosovic

Advisor

Lim, Hyungsuk

Committee Member

Zhang, Jilei

Committee Member

Lam, Frank

Committee Member

Shmulsky, Rubin

Date of Degree

5-1-2020

Original embargo terms

Visible to MSU only for 1 Year||5/15/2021

Document Type

Graduate Thesis - Open Access

Major

Wood Science and Wood Products||Pulp and Paper Technology

Degree Name

Master of Science

College

College of Forest Resources

Department

Department of Sustainable Bioproducts

Abstract

The flexural behavior of a light-weight wood-based composite system was studied through destructive experiments. The composite panel system consisted of profiled dimensional lumber, which makes up the surface layers, and 1"-thick boards running across the surface layers. Considering the changes in cross-sections along the panel due to the presence of the embedded boards, classical theories such as the Euler-Bernoulli beam and Kirchhoff-Love plate could not be implemented. Instead, the deflections and maximum failure loads of the composite system under full- and short-span bending tests were measured during their destructive bending testing, and were compared against the mechanical properties of the conventional three-ply CLT panel with the same thickness as the panel with embedded cross-laminations. According to maximum failure loads and deflections, it was concluded that full-span panels with embedded cross-laminations exhibited higher strength and stiffness, whereas short-span panels exhibited higher strength and lower stiffness properties compared to conventional CLT panels.

URI

https://hdl.handle.net/11668/16654

Sponsorship

United States Department of Agriculture (USDA), Agriculture Research Service (ARS)

Comments

wood construction panels||Mechanical testing||bending strength and stiffness||shear strength and stiffness

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