Adjustment Factors for Glulam

 

NDS table 5.3.1

 

 

Same as Sawn Lumber

• load duration factor C_D
• time effect factor λ
• temperature factor C_t
• resistance factor Φ
• format conversion factor K_F

 

 

Wet Service Factor C_M

<16% instead of 19%

 

 

Flat-Use Factor C_fu

bending about both directions already tabulated

<12" depth around y-axis

rarely needed

 

 

Volume Factor C_V

test results related to volume instead of size (depth)