ASTM D6841经阻燃处理木材设计值处理调整因素的计算规程
日期:2012-02-08 11:06
f direct wetting, precipitation or frequent condensation. Application of this practice is limited to roof applications with design consistent with 1.3.
1. Scope
1.1 This practice covers procedures for calculating treatment adjustment factors to be applied to design values for fire-retardant-treated lumber used at ambient temperatures [service temperatures up to 100F (38C)] and as framing in roof systems.
1.2 These design value treatment adjustment factors for the properties of extreme fiber in b
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