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Beam Detailing for Ductility Class DCM
According to Eurocode: EN 1998-1

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Beam dimensions

Cross section - bw = mm, hw = mm

Clear span - lcl = mm

Slab depth - hf = mm

Columns dimensions - bc = mm, hc = mm

Maximum seismic axial load in beam - NEd = kN

 

Concrete

Characteristic compressive cylinder strength - fck = MPa

Partial safety factor - γc = 1.5 , αct = 1 , αcc =

Longitudinal reinforcement

Characteristic yield strength - fyk = MPa

Steel class -

Bottom reinforcement in critical regions

Bar diameter - dbL1 = mm

Effective cross section depth - d1 = mm

Reinforcement area - As1 = mm²

Top reinforcement at supports

Bar diameter - dbL2 = mm

Effective cross section depth - d2 = mm

Reinforcement area - As2 = mm²

Fundamental period of first vibration mode - T1 = s

Upper limit period of constant spectral acceleration - TC = s

Basic behavior factor value - q0 =

[§ 5.6.2.2 (2), a)]

For interior beam-column joints

Minimal normalized design axial force at column - νd = (νd = NЕd / fcdAc)

[§ 5.6.2.2 (2), b)]

For exterior beam-column joints

Minimal normalized design axial force at column - νd =

 

Transverse reinforcement

Link diameter - dbw = mm

Characteristic yield strength - fywk = MPa


Substitute