Spreadsheets
Cantilever Concrete Retaining Wall Design Excel Workbook – ACI 318-25
19 $
What's Included
Cantilever reinforced concrete retaining wall Excel workbook prepared to ACI 318-25 with separate calculation sheets for hydrostatic water table and drained backfill conditions. Checks overturning, sliding, shear key resistance, soil bearing, stem flexure/shear, toe, and heel reinforcement.
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Product Description
Product Overview
This Excel workbook designs cantilever reinforced concrete retaining walls under both drained backfill (WITHOUT WATER) and groundwater table (WITH WATER) conditions in accordance with ACI 318-25. Each worksheet performs external stability checks followed by strength design of the stem, toe, heel, and optional base shear key.
Standard: ACI 318-25
Units: US Customary (kips, ft, in, ksi)
File: 02-Concrete Retaining Wall Design Based on ACI 318-25.xlsx
Units: US Customary (kips, ft, in, ksi)
File: 02-Concrete Retaining Wall Design Based on ACI 318-25.xlsx
Design Checks & Calculation Scope
Dual Hydrostatic & Drained Tabs
Dedicated WITH WATER and WITHOUT WATER worksheets model active earth pressure, surcharge, buoyant unit weight below phreatic surface, hydrostatic pressure, and uplift forces.
Overturning, Sliding & Base Key
Computes resisting vs overturning moments around the toe, checks sliding resistance along the footing base, and sizes shear key embedment and reinforcement when passive key resistance is engaged.
Strain-Compatible Stem Flexure
Calculates required flexural steel at the upper and lower stem critical sections with strain-based strength reduction factor φ (0.65 to 0.90 per ACI 318-25 Table 21.2.2) and tension-controlled strain check (εt ≥ 0.004).
Toe, Heel & Shrinkage Steel
Verifies one-way concrete shear capacity (φVc, φ = 0.75), cantilever toe/heel bending reinforcement, development lengths, and horizontal temperature/shrinkage bars per ACI 318-25 Table 24.4.3.2.
Technical Summary
| Governing Standards | ACI 318-25 (Ch. 7, 9, 11, 13, 21, 22, 24, 25) & Rankine Earth Pressure |
| Unit System | US Customary (kips, lb, ft, in, ksi, pcf) |
| Worksheet Tabs | WITH WATER, WITHOUT WATER, Design Basis |
| Key Inputs | Wall height, stem thickness (top/base), toe/heel projections, shear key depth, backfill slope & friction angle φs, surcharge, water depth, f’c, fy |
| Key Outputs | Overturning & sliding FOS, toe/heel soil bearing pressure, stem/toe/heel rebar areas, shear ratios, bar cutoff checks |
Worksheet Screenshots
Sample calculation output captured directly from the Excel printable sheets:
Building Code Standards & Regional Applicability
Strength reduction factors (φ), capacity equations, and reinforcement detailing limits follow ACI 318-25 / ACI 318M-25 and ASCE/SEI 7-22. Engineers working under national codes derived directly from ACI 318 can adjust concrete strength, steel yield grade, load factors, and bar sizes directly in the input cells:
| Region / Country | Applicable National Standard | Engineering Application |
|---|---|---|
| United States & Territories | IBC 2024 / ACI 318-25 / ASCE 7-22 | Matches current IBC / ACI 318-25 building code provisions in US customary units (kips, in, ksi). |
| Saudi Arabia & GCC | SBC 304 (Saudi Building Code) | SBC 304 adopts ACI 318 strength reduction factors (φ) and detailing provisions directly for EPC and commercial submittals. |
| Philippines | NSCP 2015 (ACI 318 based) | Uses equivalent strength design, shear-friction, and seismic detailing provisions; metric or customary bar inputs supported. |
| Indonesia | SNI 2847:2019 / SNI 1726:2019 | SNI 2847 adopts ACI 318 provisions with compatible flexural, shear, deep-beam, and special wall checks. |
| Colombia & Latin America | NSR-10 / NEC-15 / NTC-C | Follows the ACI 318 framework for seismic confinement, coupling beams, shear walls, and spread foundations. |
| Canada & International | CSA A23.3 / International Projects | Useful as an ACI 318-25 design check on international industrial, oil & gas, and plant foundations. |
Spreadsheet Notes & Engineer Responsibility
- Editable Open Formulas: All worksheets use native Excel formulas without VBA macros or password-locked sheets.
- Worked Example Included: Pre-populated sample inputs and pass/fail checks allow you to review the calculation flow immediately before entering project loads.
- Professional Responsibility: This spreadsheet is an engineering design aid. Input loads, geotechnical parameters, site seismic criteria, reinforcement detailing, and final code compliance remain the responsibility of the Engineer of Record.
Included File
- Workbook:
02-Concrete Retaining Wall Design Based on ACI 318-25.xlsx(calculation sheet(s) + Design Basis reference tab). - Delivery: Instant download link (Google Drive) provided after checkout.
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