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Smart Reinforced Concrete Designer

Design. Check. Optimize.

Professional reinforced concrete member design for structural engineers

Design Module

Select a module to designT optimize and verify reinforced concrete members with NZS 3101

Beam

RC Beam Designer

  • Flexural Design
  • Shear Design
  • Seismic Detailing
  • Reinforcement Optimization
    •
    Column

    RC Column Designer

  • P-M Interaction Diagrams
  • Biaxial Bending Design
  • Seismic Detailing
  • Reinforcement Optimization
    •
    Shear Wall

    RC Shear Wall Designer

  • Axial, Flexural & Shear Design
  • Boundary Element Design
  • Seismic Detailing
  • Reinforcement Optimization
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    Why OptiStruct?

    Professional reinforced concrete design software built for structural engineers

    Design, verify, and optimize reinforced concrete members with confidence. OptiStruct automates complex calculations, generates interactive design checks, and delivers code-compliant solutions in accordance with NZS 3101, helping you save time while maintaining engineering accuracy

    User-Friendly

    Intuitive workflows with guided inputs and real-time validation

    Accurate

    Reliable calculations compliant with NZS 3101 and international design standards

    powerful

    Comprehensive design, optimization and verification for reinforced concrete members

    Powerful Engineering Workflow

    Design, analyse, optimize and verify reinforced concrete members in one seamless workflow

    Manual Load Input

    Define design actions either manually or by importing analysis results from structural analysis software.

    • Enter axial force, moments, and shear forces manually.
    • Import design actions from ETABS, SAP2000, SPACE GASS, and other structural analysis software via Excel.
    Manual Calculation View ϕMn = ϕ As fy (d - a/2) a = As fy / (0.85 fc' b) fc' = 30 MPa As = 1256 mm² d = 460 mm ϕMn = 214 kNm Section Analysis

    Real-Time Design Verification

    Monitor interaction diagrams, member capacities, reinforcement detailing, and NZS 3101 compliance with instant updates as your design evolves.

    • Live interaction diagrams and capacity checks.
    • Real-time reinforcement and detailing verification.
    • Instant NZS 3101 compliance status.
    • Immediate design feedback as inputs changes.
    Automatic Load Combination Engine Load Cases LC1: 1.2D + 1.5L LC2: 1.2D + 1.0E LC3: 0.9D + 1.3W LC4: 1.2D + 1.5L + 1.0E Governing: LC4 Envelope Result Max Moment

    Smart Reinforcement Optimization

    Automatically generate the most efficient reinforcement layout based on member geometry, design actions, and code requirements while ensuring compliance with NZS 3101.

    • Automatic bar diameter selection.
    • Optimized reinforcement layout and spacing.
    • Code-compliant spacing and detailing checks.
    • Automatic confinement reinforcement design.
    Smart Reinforcement Optimization Required As: 1210 mm² Selected: 3Ø20 = 942 mm² +2Ø16 = OK Optimized Section Layout

    Professional Report Generator

    Generate comprehensive, engineer-ready PDF reports containing design inputs, calculation procedures, interaction diagrams, reinforcement details, and NZS 3101 compliance summaries ready for client submission, peer review, or building consent.

    • Professional engineering report formatting.
    • Complete calculation and design verification.
    • Reinforcement schedules and detailing.
    • One-click PDF export and printing.
    Professional Engineering Report OptiStruct Structural Design Report Section: 400x400 Column Concrete: 30 MPa Steel: 500 MPa ϕPn = 1420 kN ϕMn = 215 kNm Status: PASS ✔ Generated automatically • Code compliant • Ready for submission PDF

    Choose Your Plan

    Flexible plans designed for structural engineers and consulting firms across New Zealand.

    Free

    $0 /month
    • ✓ Beam Design Module
    • ✓ Limited Calculations
    • ✓ Basic PDF Export
    • ✗ Column & Shear Wall
    • ✗ Professional Verification
    Most Popular

    Professional

    $49 /month
    • ✓ Beam, Column & Shear Wall
    • ✓ Unlimited Calculations
    • ✓ Advanced Code Checks (NZ)
    • ✓ Detailed Engineering Reports
    • ✓ Project Save & History

    Enterprise

    Custom
    • ✓ Multi-User Access
    • ✓ Company Workspace
    • ✓ Priority Support
    • ✓ Custom Branding Reports
    • ✓ Dedicated Account Manager
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