Relationships of growth rate and mechanical properties in sweetgum, Liquidambar styraciflua

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dc.contributor.authorJeffries, Thomas Masonen
dc.contributor.committeechairZink-Sharp, Audrey G.en
dc.contributor.committeememberStivachtis, Yannis A.en
dc.contributor.committeememberCopenheaver, Carolyn A.en
dc.contributor.departmentWood Science and Forest Productsen
dc.date.accessioned2014-03-14T20:31:45Zen
dc.date.adate2008-03-27en
dc.date.available2014-03-14T20:31:45Zen
dc.date.issued2008-01-31en
dc.date.rdate2011-01-03en
dc.date.sdate2008-02-13en
dc.description.abstractSweetgum, Liquidambar styraciflua, is a diffuse-porous hardwood occurring in the southeastern United States. In this observational study, trees from two plantations of sweetgum were evaluated for mechanical properties. The two plantations were similar in age, soil type, competition control, and water availability, but differed in nutrient availability, growing season, and growth rate. Three trees representing different crown classes were removed from both plantations. Each tree was sampled for compression strength parallel to grain along the height of the merchantable stem. Oven-dry specific gravity was then calculated for each sample. The results indicate that young sweetgum trees grow weaker wood than mature trees. It was observed that dominant trees were stronger and denser than other trees. Denser wood was formed in the plantation with the shortest growing season and smallest growth rate. Three of six trees showed significant correlations of strength and stiffness with height in the tree.en
dc.description.degreeMaster of Scienceen
dc.identifier.otheretd-02132008-153204en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-02132008-153204/en
dc.identifier.urihttp://hdl.handle.net/10919/31225en
dc.publisherVirginia Techen
dc.relation.haspartTMJeffries.pdfen
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subjectwood qualityen
dc.subjectcompression parallel to grainen
dc.subjectfailure modesen
dc.subjectspecific gravityen
dc.subjectmodulus of elasticityen
dc.subjectgrowth rateen
dc.subjecthardwood plantationsen
dc.subjectForest managementen
dc.titleRelationships of growth rate and mechanical properties in sweetgum, Liquidambar styracifluaen
dc.typeThesisen
thesis.degree.disciplineWood Science and Forest Productsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.levelmastersen
thesis.degree.nameMaster of Scienceen

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