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Publication Information

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Title: Effect of moisture content on strength of CCA-treated lumber

Author: Winandy, Jerrold E.;

Date: 1995

Source: Wood and fiber science. Vol. 27, no. 2 (1995): Pages 168-177

Publication Series: Miscellaneous Publication

Description: Recent studies on the effects of chromated copper arsenate (CCA) treatment on lumber design properties have primarily evaluated the effects of such treatment at or near 12% moisture content and at failure times of 1 to 10 min. The influence of various moisture contents and faster loading rates is unknown. This report discusses the influence of moisture content and its interaction with time-to failure on the bending strength of CCA- treated (0.4 lb/ft 3 (6.4 kg/m 3 )) lumber. The factors studied were moisture contents of 10, 15, and ³23% (green lumber) and ramp-load failure times in bending of 3-6, 30-60, and 300-600 seconds. This research concluded that a revised wet-use service factor for No. 1 and better waterborne-preservative-treated lumber is needed.

Keywords: CCA, preservative, treatment, mechanical properties, moisture content, short-term load durations

Publication Notes:

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  • This article was written and prepared by U.S. Government employees on official time, and is therefore in the public domain.



Winandy, Jerrold E. 1995. Effect of moisture content on strength of CCA-treated lumber. Wood and fiber science. Vol. 27, no. 2 (1995): Pages 168-177


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