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Simply-supported rectangular RC beam, 300×600mm, 6m span. C30/37 concrete, 3Ø20 B500B tension bars. Bending check per EN 1992-1-1 §6.1 (rectangular stress block, x/d limit 0.45), shear check §6.2.2 V_Rd,c, crack width §7.3 under quasi-permanent load (w_k = 0.24mm < 0.3mm XC2), minimum reinforcement §9.2.1.1. Rebar schedule with BS 8666 shape codes.
Project highlights
- C30/37 concrete, fck=30 MPa
- 3Ø20 B500B, As=942mm² > As,min=256mm²
- M_Rd = 187 kNm (utilization 74.8% at M_Ed=140 kNm)
- w_k = 0.24mm < 0.3mm (XC2 pass)
Eurocode design summary
EN 1992-1-1 §6.1 — BendingM_Rd=187 kNm, x/d=0.267 ≤ 0.45 ✓
EN 1992-1-1 §6.2.2 — ShearV_Rd,c=63.4 kN, V_Ed=62 kN ✓
EN 1992-1-1 §7.3 — Crack widthw_k=0.24mm ≤ 0.30mm (XC2) ✓
EN 1992-1-1 §9.2.1.1 — Min reinfAs,prov=942mm² ≥ As,min=256mm² ✓
2 downloadable artefacts
PDF — Rebar schedule
BS 8666 shape codes
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PDF — Calc note
EN 1992-1-1 §6.1/§6.2/§7.3
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Calculation overview
Max utilization
74.8%
M_Rd
187 kNm
As,prov / As,min
942 / 256 mm²
w_k
0.24 mm (XC2)
