Serviceability limit state - Eurocodes

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G. Hanswille Univ.-Prof. Dr.-Ing. Institute for Steel and Composite Structures University of Wuppertal-Germany Part 5: Limitation of stresses 54
Limitation of Stresses G. Hanswille Univ.-Prof. Dr.-Ing. Institute for Steel and Composite Structures University of Wuppertal-Germany σ c - + σ a + σ s M Ed M Ed Stress limitation is not required for beams if in the ultimate limit state, - no + verification of fatigue is required and - no prestressing by tendons and /or - - no prestressing by controlled imposed deformations is provided. σ a - combination stress limit recommended values k i structural steel characteristic σ Ed ≤ k a f yk k a =1,00 headed studs characteristic P Ed ≤ k s P Rd k s =0,75 reinforcement characteristic σ Ed ≤ k s f sk k s =0,80 concrete characteristic σ Ed ≤ k c f ck k c = 0,60 55
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G. Hanswille Univ.-Prof. Dr.-Ing. I
Page 3 and 4: Serviceability limit states G. Hans
Page 5 and 6: G. Hanswille Univ.-Prof. Dr.-Ing. I
Page 7 and 8: Shear lag- effective width G. Hansw
Page 9 and 10: Effects of creep of concrete G. Han
Page 11 and 12: Modular ratios taking into account
Page 13 and 14: Effects of cracking of concrete and
Page 15 and 16: Redistribution of sectional forces
Page 19 and 20: Effects of cracking of concrete - s
Page 21 and 22: Control of cracking G. Hanswille Un
Page 23 and 24: Exposure classes according to EN 19
Page 25 and 26: N s ε Cracking of concrete - intro
Page 27 and 28: N s Determination of initial crack
Page 29 and 30: Crack width for stabilised crack fo
Page 31 and 32: Crack width and crack spacing accor
Page 33 and 34: Simplified solution for the crackin
Page 35 and 36: Control of cracking due to direct l
Page 37 and 38: Direct calculation of crack width w
Page 39 and 40: Stresses in reinforcement for final
Page 43 and 44: Deformations and pre-cambering G. H
Page 45 and 46: More accurate method for the determ
Page 47 and 48: Differential equations in case of i
Page 49 and 50: Mean values of stiffness of headed
Page 51 and 52: Comparison of the exact method with
Page 53: Deflection in case of incomplete in
Page 57 and 58: Local effects of concentrated longi
Page 59 and 60: Serviceability limit state - longit
Page 61 and 62: Vibration- General G. Hanswille Uni
Page 63 and 64: Vibration - Example vertical vibrat
Page 65 and 66: Vibration - vertical vibrations due
Page 67 and 68: Vibration -vertical vibrations due
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Serviceability limit state - Eurocodes

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