EUROCODE 2 WORKED EXAMPLES - Federbeton

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EC2 – worked examples 6-26 (applied at 50 mm from the upper surface) the compression net force (C + C’) results to be applied at 45 mm from the beam upper surface, then the horizontal strut has the axis at 675 – 50 - 45 = 580 mm from the tension rod T2. Calculation of the truss rods stresses Node 1 equilibrium: 580 = arctg = 53,77° 425 α 1 580 Node 2 equilibrium: β = arctg = 38,66° 725 C 2cosβ + C3cos45° = T Csinβ= C sin45° 2 3 Node 3 equilibrium: Table of Content 2 R C = = 620 kN T2 = C1 ⋅ cosα = 366 kN sinα ⇒ T1 = C1 sin α + C2 sin β = 663 kN Tension rods design T sinβ + cosβ sinβ C3 = ⋅ C2 = 230 kN sin45° 2 C2 = = 260 kN the tension rod T 1 needs a steel area not lower than: we use 5 stirrups φ 16 double arm (Asl = 2000 mm 2 ) the tension rod T 2 needs a steel area not lower than: we use 5 φ 16 (Asl = 1000 mm 2 ). Truss b) R = R Sdu /2 = 500 kN 663000 As1 ≥ = 1694 mm 391.3 366000 As1 ≥ = 935 mm 391.3 Fig. 6.16 Calculation scheme for the truss b bars stresses. Calculation of the truss rods stresses 2 2
EC2 – worked examples 6-27 node 1 equilibrium C’ 1 = 500 kN node 2 equilibrium C’2 = C’1 = 500 kN T'1 = 1 2 ⋅ C' = 707 kN node 3 equilibrium C’3 = T’1 = 707 kN T’2 = (T’1 + C’3)·cos 45° = 1000 kN Tension rods for tension rod T’ 2 it is necessary to adopt a steel area not lower than: 1000000 2 As1 ≥ = 2556 mm 391.3 6φ24 = 2712 mm 2 are adopted, a lower reinforcement area would be sufficient for tension rod T’ 1 but for question of bar anchoring the same reinforcement as in T’ 2 is adopted. Table of Content
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EUROCODE 2 WORKED EXAMPLES
Page 4: Copyright: European Concrete Platfo
Page 8 and 9: Foreword to Commentary to Eurocode
Page 10 and 11: EC2 - worked examples summary EXAMP
Page 12 and 13: EC2 - worked examples 2-2 EXAMPLE 2
Page 16 and 17: EC2 - worked examples 2-6 Set B (ve
Page 18 and 19: EC2 - worked examples 2-8 Table of
Page 20 and 21: EC2 - worked examples 2-10 Verifica
Page 22 and 23: EC2 - worked examples 2-12 Table 2.
Page 24 and 25: EC2 - Worked examples 4-2 Moreover:
Page 26 and 27: EC2 - Worked examples 4-4 EXAMPLE 4
Page 28 and 29: EC2 - Worked examples 4-6 We have:
Page 30 and 31: EC2 - worked examples 6-2 MRd3 must
Page 34 and 35: EC2 - worked examples 6-6 Determina
Page 36 and 37: EC2 - worked examples 6-8 • VEd =
Page 38 and 39: EC2 - worked examples 6-10 EXAMPLE
Page 42 and 43: EC2 - worked examples 6-14 Taking d
Page 44 and 45: EC2 - worked examples 6-16 ⎛ fck
Page 48 and 49: EC2 - worked examples 6-20 Fig. 6.1
Page 50 and 51: EC2 - worked examples 6-22 Assumed
Page 58 and 59: EC2 - worked examples 6-30 θ 11 =
Page 62 and 63: EC2 - worked examples 6-34 Identifi
Page 64 and 65: EC2 - worked examples 6-36 Loading
Page 70 and 71: EC2 - worked examples 6-42 6.15.2 S
Page 72 and 73: EC2 - worked examples 6-44 single c
Page 78 and 79: EC2 - worked examples 6-50 where φ
Page 82 and 83: EC2 - worked examples 6-54 6.15.3 C
Page 84 and 85: EC2 - worked examples 6-56 σ 22,b
Page 88 and 89: EC2 - worked examples 6-60 procedur
Page 92 and 93: EC2 - worked examples 6-64 n1 , n2
Page 96 and 97: EC2 - worked examples 7-2 and then
Page 98 and 99: EC2 - worked examples 7-4 y = 395mm
Page 100 and 101: EC2 - worked examples 7-6 A = 0.002
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EC2 - worked examples 7-10 EXAMPLE
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EC2 - worked examples 7-12 * * ⎡1
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EC2 - worked examples 7-14 σ s (2/
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EC2 - worked examples 7-16 0.1687
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EC2 - worked examples 7-18 EXAMPLE
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EC2 - worked examples 7-20 1⎡ λ
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EC2 - worked examples 7-22 Table of
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EUROCODE 2 WORKED EXAMPLES - Federbeton

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