GL28c (EN 14080) - Design Values

GL28c (EN 14080) is a glued-laminated timber grade with reference design values to EN 14080:2013. In Eurocode 5 terms its characteristic bending strength fm,k is 28 N/mm², compression parallel fc,0,k is 24 N/mm², and mean modulus E0,mean is 12.5 kN/mm² (EN 338 / EN 14080). Values are shown before adjustment factors; apply the relevant NDS C-factors or EC5 k_mod and γ_M for your load case.

fm,k (bending): 28 N/mm²
fc,0,k (compr.): 24 N/mm²
E0,mean: 12.5 kN/mm²

Characteristic values (EN 338 / EN 14080)

fm,k	Bending strength	28 N/mm²
ft,0,k	Tension parallel	19.5 N/mm²
ft,90,k	Tension perpendicular	0.5 N/mm²
fc,0,k	Compression parallel	24 N/mm²
fc,90,k	Compression perpendicular	2.5 N/mm²
fv,k	Shear strength	3.5 N/mm²
E0,mean	Mean MOE parallel	12.5 kN/mm²
E0,05	5th-percentile MOE	10.4 kN/mm²
Gmean	Mean shear modulus	0.65 kN/mm²
ρk	Characteristic density	390 kg/m³
ρmean	Mean density	420 kg/m³

Source: EN 14080:2013. Reference values are shown before adjustment factors (NDS C-factors / EC5 k_mod, γ_M) - apply these per your load case in design.

Other Glued-Laminated Timber grades

24F-V4 (DF/DF)24F-V8 (DF/DF)24F-1.8E (SP/SP)20F-V3 (DF/DF)GL24h (EN 14080)GL28h (EN 14080)GL32h (EN 14080)GL24c (EN 14080)

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