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Official Journal of the Japan Wood Research Society

Journal of Wood Science Cover Image

Table 3 Mean values, standard deviations, and 5% lower tolerance limits of each grade

From: Bending properties of dimension lumber produced from Siberian larch (Larix sibirica) in Mongolia

GradenMOE (GPa)MOR (MPa)
MeanSDTL75%,95%MeanSDTL75%,95%
SS10810.082.435.8352.821.914.4
SS + No. 112010.172.415.9652.921.615.1
SS + No. 1 + No. 213910.192.425.9952.821.515.4
SS + No. 1 + No. 2 + No. 315910.182.406.0152.320.716.4
  1. n number of lumber, MOE modulus of elasticity, MOR modulus of rupture, SD standard deviation, SS select structural, TL75%,95%, 5% lower limit with a 75% confidence level (5% tolerance limit)