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eng.composite-laminate-CLT Calculator
Calculates Cross-Laminated Timber (CLT) panel section properties and bending capacity from layer configuration and wood grade. CLT panels have alternating grain directions that provide bidirectional strength — the rolling shear strength of the cross layers is the critical design property.
Inputs
Ex Gpa
Reference formula or conversion factor shown for context.
Ey Gpa
Reference formula or conversion factor shown for context.
Nu Xy
Reference formula or conversion factor shown for context.
Gxy Gpa
Reference formula or conversion factor shown for context.
Theta Deg
Reference formula or conversion factor shown for context.
T Ply Mm
Perpendicular measurement through the material. For insulation: thicker is better. For beams: directly affects bending resistance.
Results
Q̄xx transformed stiffness (MPa)
The specific form or variant of the result.
Q11 (fibre direction, MPa)
The computed direction or bearing, typically in degrees from north or as a cardinal direction.
Q22 (transverse, MPa)
Sample size or count used in the calculation.
ply angle θ
The computed angle in degrees or radians.
Q̄11 = c⁴Q11+2c²s²(Q12+2Q66)+s⁴Q22
Reference formula or conversion factor shown for context.