Title

An In-Plant Assessment of Heartwood/Sapwood Content in Southern Yellow Pine for Residential Lumber and Industrial Poles and Pilings

Issuing Body

Mississippi State University

Advisor

Barnes, H. M.

Committee Member

Jones, Paul David

Committee Member

Shmulsky, Rubin

Committee Member

Borazjani, Abdolhamid

Date of Degree

8-1-2014

Original embargo terms

MSU Only Indefinitely

Document Type

Graduate Thesis - Open Access

Degree Name

Master of Science

Abstract

Knowing and understanding the sapwood and heartwood functions and properties are crucial in pressure-treating southern pine. It is very difficult to penetrate heartwood with chemicals. Therefore, knowing heartwood content before treatment will benefit companies in chemical consumption, treating cycles, and, foremost, cost. In this study, two different assessments were conducted in which lumber and pole heartwood/sapwood data was collected from eight treating plants across five Southeastern states. In both assessments, the data indicated some significant differences between similar products from different vendors, but there was no significant difference in heartwood content between plant locations. The results suggested that the amount of heartwood increases as the size and length of the products increase. These findings can argue that the size of raw materials that vendors use and the products they manufacture have more effect on heartwood content than plant location.

URI

https://hdl.handle.net/11668/21251

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