Resistencia a compresión factorizada perpendicular a la fibra

Factored compressive resistance perpendicular to the grain

Q_{r} = φ F_{cp} A_{b} K_{b} K_{Zcp}

Φ	= 0.8
F_cp	= f_cp(K_DK_ScpK_T), where f_cp is the specified strength in compression perpendicular to the grain,
A_b	Bearing area
K_B	Length-of-bearing factor
K_Zcp	Size factor for bearing

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