RC Beam Design
Bending, shear and serviceability to BS 8110-1:1997
ACI 318-19 active. Load factors: 1.2D+1.6L. φ=0.90 (flexure), φ=0.75 (shear).
Section & Geometry
Characteristic Loading
Material Properties
Reinforcement
Results Summary
PASS
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RC Slab Design
Bending, shear and serviceability to BS 8110-1:1997
One-way slab: Spans in one direction only (ly/lx > 2). Designed as a 1m wide strip.
Geometry
Loading
Materials & Reinforcement
Results Summary
PASS
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Two-way slab: Spans in both directions (ly/lx ≤ 2). Moments in both directions.
Design method:
Geometry
Loading & Materials
Reinforcement
Results Summary
PASS
Sagging — bottom steel
Hogging — top steel
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Flat slab: Supported directly on columns. Includes punching shear at column face and 1.5d perimeter.
Geometry
Loading & Materials
Reinforcement
Results Summary
PASS
Flexure
Punching Shear
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RC Column Design
Axial load, bending and slenderness to BS 8110-1:1997
Rectangular column: Slenderness check both axes, uniaxial and biaxial bending. Slender column moments added automatically.
Slender column. Additional moment due to lateral deflection added automatically.
Section Geometry
Height & End Conditions
Loading
Enter factored design load
Set 0 for uniaxial only
Materials
Results Summary
PASS
Slenderness
Axial Load Capacity
Bending — Combined Check
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Circular column: Biaxial moments resolved to resultant. Slenderness based on diameter.
Slender column. Additional deflection moment added automatically.
Section Geometry
Height & End Conditions
Loading
Materials
Results Summary
PASS
Slenderness
Axial & Bending Capacity
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Foundation Design
Bearing capacity, bending, shear and punching shear to BS 8110-1:1997
Pad foundation: Isolated column base. Soil bearing from soil type dropdown, bending, one-way shear and punching shear at 1.5d.
Soil Parameters
Foundation Geometry
Loading & Materials
Results Summary
PASS
Soil Bearing
Flexure
Shear & Punching Shear
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Strip foundation: Wall footing. Bearing, bending and shear per metre run.
Soil & Geometry
Loading & Materials
Results Summary
PASS
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Raft foundation: Full footprint slab. Average bearing, critical strip flexure and shear.
Soil & Geometry
Loading & Materials
Results Summary
PASS
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Pile foundation: Single pile capacity (skin friction + end bearing), group efficiency and maximum pile load under eccentric loading.
Pile Geometry & Soil
Loading & Pile Cap
Results Summary
PASS
Single Pile Capacity
Pile Group
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Combined foundation: Two columns on one base. Eccentric bearing, longitudinal bending and shear.
Soil & Geometry
Column Loads
Results Summary
PASS
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Retaining Wall Design
Stability and structural checks to BS 8110 / BS EN 1997
Cantilever retaining wall: RC stem on base slab. Overturning, sliding, bearing, stem bending and shear.
Wall Geometry
Soil Parameters
Structural Design
Results Summary
PASS
Stability Checks
Structural Checks
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Gravity retaining wall: Mass concrete or masonry. Relies on self-weight. Overturning, sliding, bearing and middle third check.
Wall Geometry
Soil Parameters
Results Summary
PASS
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Disclaimer: EzeStruct is a design aid. Results must be verified by a qualified geotechnical engineer.
Steel Beam Design
Bending, shear, deflection and LTB to BS 5950-1:2000
BS 5950-1:2000. S275: py=275 N/mm². Load factors: 1.4Gk+1.6Qk.
Section Selection
533×210×82 UB | D=528mm | tf=13.2mm | tw=9.6mm | Sx=2060cm³ | Ix=47500cm⁴ | ry=4.38cm
Loading
Lateral Restraint & Deflection
Results Summary
PASS
Bending & Shear
Deflection & LTB
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Steel Column Design
Axial compression, buckling and combined axial+bending to BS 5950-1:2000
BS 5950-1:2000. S275: py=275 N/mm². Buckling curve b for H-sections.
Section Selection
254×254×73 UC | Ag=93.1cm² | rx=11.1cm | ry=6.46cm | Sx=992cm³ | Sy=379cm³
Height & End Conditions
Loading
Section Class
CHS Geometry
Loading
SHS Geometry
Loading
Results Summary
PASS
Compression & Buckling
Combined Axial + Bending
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EzeStruct v1.0 — Structural Design Calculator | Design with Confidence | ezestruct.com
RC Beam | RC Slab (One-way, Two-way, Flat) | RC Column (Rectangular, Circular) | Foundation (Pad, Strip, Raft, Pile, Combined) | Retaining Wall (Cantilever, Gravity) | Steel Beam | Steel Column (UC, CHS, SHS)
BS 8110 | Eurocode 2 | ACI 318 | BS 5950 | Eurocode 3 | AISC 360
© 2026 Christian Okwudili Eze | All rights reserved
EzeStruct is a design aid tool. All outputs must be independently verified by a qualified engineer before use in construction or regulatory submission.
RC Beam | RC Slab (One-way, Two-way, Flat) | RC Column (Rectangular, Circular) | Foundation (Pad, Strip, Raft, Pile, Combined) | Retaining Wall (Cantilever, Gravity) | Steel Beam | Steel Column (UC, CHS, SHS)
BS 8110 | Eurocode 2 | ACI 318 | BS 5950 | Eurocode 3 | AISC 360
© 2026 Christian Okwudili Eze | All rights reserved
EzeStruct is a design aid tool. All outputs must be independently verified by a qualified engineer before use in construction or regulatory submission.