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Journal of Wood Science

Official Journal of the Japan Wood Research Society

Table 5 Statistical parameters of the adjusting factors (GB 50005-2003 [8])

From: Research on design value of compressive strength for Chinese fir dimension lumber based on full-size testing

Parameters

k 1

k 2

k 3

Mean value

1.00

0.96

0.72

COV (%)

5.00

6.00

12.00

  1. k 1, k 2, and k 3 are adjusting factors for the equation precision, geometric character, and the effect of duration of load, respectively
  2. COV coefficient of variance
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