Theses and Dissertations
Issuing Body
Mississippi State University
Advisor
Franca, Frederico Jose-Nistal
Committee Member
Amorim Franca, Tamara S. F.
Committee Member
Seale, R. Dan
Date of Degree
12-13-2024
Original embargo terms
Worldwide
Document Type
Graduate Thesis - Open Access
Major
Forest Resources (Sustainable Bioproducts)
Degree Name
Master of Science (M.S.)
College
College of Forest Resources
Department
Department of Sustainable Bioproducts
Abstract
This thesis is focused on the evaluation of cross laminated timber made from southern pine lumber and low-grade hardwood species (which included red oak, sweetgum, and yellow poplar) growing in the southeastern part of the United States. The properties of interest were density, modulus of elasticity (MOE), modulus of rupture (MOR) and dynamic modulus of elasticity (dMOE). Mechanical testing using static bending technique was used to determine MOE and MOR and non-destructive technique (NDT) was used to predict dMOE. The results from mechanical testing showed that over 98% of low-grade hardwood CLT samples exceeded 8300 MPa. This proved the suitability of underutilized hardwood lumber as structural materials when reconstituted to CLT. The NDT result showed moderate correlation with static bending test. This indicated that NDT can be used CLT grading purposes as well as for designing building codes for hardwoods CLT.
Recommended Citation
Omotayo, Richard Olakunle, "Evaluation of the physical and mechanical properties of hardwoods and softwood Cross laminated timber" (2024). Theses and Dissertations. 6432.
https://scholarsjunction.msstate.edu/td/6432