Eurotec catalogue fastening technology Página 214
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Timber engineering KonstruX with countersunk head and drill point or AG tip 11,3 mm: timber/ timber connection Dimensions Tension connection Characteristic value of the joint‘s load-bearing capacity Rax,k or Rk acc. to ETA-11/0024 d1 x L [mm] A [mm] B [mm] Rax,k a) - [kN] Rk a) - [kN] Rax,k a) - [kN] Rk a) - [kN] Rax,k a) - [kN] Rax,k a) - [kN] αA= 90° αB= 90° αA= 90° αB= 45° α= 45° Rk a) - [kN] αA= 45° αB= 90° 11,3 x 300 120 120 16,98 12,01 16,98 12,01 16,98 12,01 16,98 12,01 11,3 x 340 140 120 18,51 13,09 18,51 13,09 18,51 13,09 18,51 13,09 11,3 x 380 140 140 23,72 16,77 23,72 16,77 23,72 16,77 23,72 16,77 11,3 x 420 160 160 25,25 17,85 25,25 17,85 25,25 17,85 25,25 17,85 11,3 x 460 180 160 26,78 18,93 26,78 18,93 26,78 18,93 26,78 18,93 11,3 x 500 180 200 31,99 22,62 31,99 22,62 31,99 22,62 31,99 22,62 11,3 x 540 200 200 33,52 23,70 33,52 23,70 33,52 23,70 33,52 23,70 11,3 x 580 220 220 35,04 24,78 35,04 24,78 35,04 24,78 35,04 24,78 11,3 x 620 220 240 40,26 28,47 40,26 28,47 40,26 28,47 40,26 28,47 11,3 x 660 240 240 41,79 29,55 41,79 29,55 41,79 29,55 41,79 29,55 11,3 x 700 260 260 43,31 30,63 43,31 30,63 43,31 30,63 43,31 30,63 11,3 x 750 280 280 46,14 32,63 46,14 32,63 46,14 32,63 46,14 32,63 11,3 x 800 300 280 48,97 34,63 48,97 34,63 48,97 34,63 48,97 34,63 11,3 x 900 320 340 50,00 35,36 50,00 35,36 50,00 35,36 50,00 35,36 11,3 x 1000 360 360 50,00 35,36 50,00 35,36 50,00 35,36 50,00 35,36 Calculation according to ETA-11/0024. Wood density ρk= 380 kg/m³. All mechanical values provided should be viewed as subject to the assumptions that have been made and represent example calculations. All values are calculated minimum values and are subject to typographical and printing errors. a) The characteristic values of the load-bearing capacity Rk cannot be treated as equivalent to the max. possible load (the max. force). Characteristic values of the load-bearing capacity Rk should be reduced to dimensioning values Rd with regard to the usage class and class of the load duration: Rd= Rk · kmod / γM. The dimensioning values of the load-bearing capacity Rd should be contrasted with the dimensioning values of the loads (Rd ≥ Ed). Example: Characteristic value for constant load (dead weight) Gk= 2,00 kN and variable load (e. g. snow load) Qk= 3,00 kN. kmod= 0,9. γM= 1,3. → Dimensioning value of the load Ed= 2,00 · 1,35 + 3,00 · 1,5= 7,20 kN. The load-bearing capacity of the joint is therefore considered to have been demonstrated if Rd ≥ Ed. → min Rk= Rd · γM / kmod i.e. the characteristic minimum value is calculated based on: min Rk= Rd · γM / kmod → Rk= 7,20 kN · 1,3/0,9= 10,40 kN → comparison with table values. Please note: These are planning aids. Projects must only be calculated by authorised persons. 214 Rk a) - [kN]
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