Effect of kiln conditions on the strength of Douglas fir and western hemlock Public Deposited

http://ir.library.oregonstate.edu/concern/technical_reports/8049g5150

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  • To test the effects of kiln-drying on strength properties of Douglas fir and western hemlock, temperatures to 230 F, conditions for equilibrium moisture contents of 6 percent and 12 percent, and prolonged heating were investigated. Prolonged heating and choice of conditions for 6 percent or 12 percent equilibrium moisture content had little effect on most strength properties. Temperature was important: the higher the temperature, the greater the reduction in strength. Toughness was affected most, shear almost as much, modulus of rupture and fiber stress at the proportional limit somewhat less, and modulus of elasticity was affected least.
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  • Master files scanned at 600 ppi (256 Grayscale, 24-bit Color) using Capture Perfect 3.0 on a Canon DR-9080C in TIF format. PDF derivative scanned at 300 ppi (256 B&W, 24-bit Color), using Capture Perfect 3.0, on a Canon DR-9080C. CVista PdfCompressor 4.0 was used for pdf compression and textual OCR.
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  • description.provenance : Submitted by Joe Nguyen (jnscanner@gmail.com) on 2009-01-21T22:16:34Z No. of bitstreams: 1 eff_kil_con_str_dou_.pdf: 313425 bytes, checksum: db3d41aae0e1c807a793cc98ef183409 (MD5)
  • description.provenance : Made available in DSpace on 2009-01-22T17:01:32Z (GMT). No. of bitstreams: 1 eff_kil_con_str_dou_.pdf: 313425 bytes, checksum: db3d41aae0e1c807a793cc98ef183409 (MD5) Previous issue date: 1967
  • description.provenance : Approved for entry into archive by Patricia Black(patricia.black@oregonstate.edu) on 2009-01-22T17:01:31Z (GMT) No. of bitstreams: 1 eff_kil_con_str_dou_.pdf: 313425 bytes, checksum: db3d41aae0e1c807a793cc98ef183409 (MD5)

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