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Filtering by: Subject Wood -- Surfaces -- Preservation Academic Affiliation School of Forestry Decade 1970-1979

Lateral bearing strength of fasteners in lumber-plywood joints treated with fire retardants

Creator:

Johnson, James W. and Oregon State University. Forest Research Laboratory

Abstract:

Joints were fabricated from different combinations of untreated and fire-retardant- treated (FRT) Douglas-fir dimension lumber and 3/8-inch plywood. Eight types of fasteners and three fire-retardant treatments were tested. Joint specimens were exposed 2 and 7 years in cold, standard, and warm-humid conditions, then tested in lateral bearing. Best overall performance...

Resource Type:

Research Paper

Full Text:

12 a. LITERATURE CITED 1. HUNT, G. M., and G. A. GARRATT. Wood Preservation. 3rd ed. McGraw-Hill
Service life of treated and untreated fence posts: 1971 progress report on the post farm

Creator:

Miller, Donald J., Garham, Robert D., and Oregon State University. Forest Research Laboratory

Abstract:

Eight series of untreated posts (including 5 series of steel), 22 series of nonpressure-treated posts, and 13 series of pressure-treated posts remain in test. Series in which all posts have failed now number 36 for untreated and 29 for nonpressure-treated. Causes of failures since 1949 were: fungi, 75 percent of...

Resource Type:

Technical Report

Full Text:

readily . Importance ofpreservatives and methods of preservation The service life of treated wood is