![]() ![]() Snow, wind, and earthquakes are taken into account with C D. The factor F' c is determined with the following equation, highly dependent on the listed adjustment factors from Table 4.3.1 :į' c = F c ⋅ C D ⋅ C M ⋅ C t ⋅ C F ⋅ C i ⋅ C Pīelow, each adjustment factor is determined:Ĭ D - The load duration factor is implemented to take into account different periods of loading. This will ultimately provide the adjusted compressive design value (F' c). The material properties are as follows:Į min = 690,000 psi Column Adjustment Factorsįor the design of timber members per the 2018 NDS standard and the ASD method, stability factors (or adjustment factors) must be applied to the compressive design value (f c). ![]() The material that will be used for this example is Select Structural Douglas Fir-Larch (North).
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