binderholz Mass Timber Manual

GLULAM GLT | TECHNICAL DATA GLULAM GLT | SPECIFIC VALUES FOR DIMENSIONING EN 1995-1-1:2010-12, EN 14080:2013 GL 24 GL 28 GL 30 GL 32* Assembly combined (c) / homogeneous (h) on request Wood Species spruce Manufacture in accordance with EN 14080 Moisture content 9 - 14 % Machine strength grading in accordance with EN 14081-3 Lamella thickness 1.57‘‘ (40 mm) Gluing modified melamine resin, light, non-darkening joints Surface quality planed on 4 sides, chamfered edges, visible quality, non-visible quality Packaging in packets, can be individually wrapped on request External monitoring Holzforschung Austria Calculatory combustion behavior 1/32‘‘/min (0,7 mm/min) Emission category < E1 according to EN 14080, test reports on request Fire behavior D-s2, d0 Dimension tolerance width± 1/8‘‘ (2 mm) height ± 1/8‘‘ (2 mm) length ± 0.1% Change in shape axially: 0.01 - 0.02 % per 1 % change in moisture content radially: 0.19 % per 1 % change in moisture content tangentially: 0.34 % per 1 % change in moisture content Water vapor resistance coefficient µ = 40 * on request Component Combined glulam Homogeneous glulam Strength class GL 24c GL 28c GL 30c GL 32c* GL 24h GL 28h GL 30h* GL 32h* Strength values (N/mm²) Deflection (ƒ m,g,k ) 24 28 30 32 24 28 30 32 Tension: parallel (ƒ t,0,g,k ) 17 19.5 19.5 19.5 19.2 22.3 24 25.6 Tension: at right angles 0.5 0.5 0.5 0.5 0.5 0.5 0.5 0.5 Pressure: parallel (ƒ c,0,g,k ) 21.5 24 25.5 24.5 24 28 30 32 Strength values (N/mm²) Modulus of elasticity: parallel (E 0,g,mean ) 11,000 12,500 13,000 13,500 11,500 12,600 13,600 14,200 Modulus of elasticity: at right angles (E 90,g,mean ) 300 300 300 300 300 300 300 300 Shear modulus: G g,mean 650 650 650 650 650 650 650 650 Density characteristic values (kg/m³) Density g,k 365 390 390 400 385 425 440 440 * on request