VerCivil: Structural Engineer

Comprehensive structural engineering calculator with interactive engineering diagrams. Design reinforced concrete, steel connections, retaining walls, and more — covering ACI 318-19, Eurocode 2 (EN 1992-1-1), IS 456:2000, ASCE 7-22, Eurocode 8, IS 1893:2016, AISC 360-22, Eurocode 3, IS 800:2007, Eurocode 1, and Thai DPT standards. Fully offline, no subscription. REINFORCED CONCRETE DESIGN • Slab: Two-way RC slab with deflection and crack width checks • Beam: Flexural and shear design with stirrup spacing and moment diagrams • Column: Axial + biaxial bending with Bresler Load Contour and P-M interaction • Foundation: Isolated footing with punching shear, bearing pressure heatmap RETAINING WALL • Gravity, cantilever, and counterfort wall types • Rankine, Coulomb, and Caquot-Kerisel earth pressure theories • Mononobe-Okabe seismic earth pressure analysis • Overturning, sliding, and bearing stability checks • Surcharge, backfill slope, and drainage conditions SEISMIC ANALYSIS • ASCE 7-22 / DPT 1302 (Thailand) / Eurocode 8 (Europe) / IS 1893:2016 (India) • Equivalent lateral force (ELF) procedure • Story force distribution with base shear calculation • Multiple structural systems and site class options STEEL CONNECTION • AISC 360-22 / Eurocode 3 (EN 1993-1-8) / IS 800:2007 bolted and welded connections • Bearing and slip-critical bolt types (A325/A490, EC3 8.8/10.9, IS800 4.6/8.8) • Fillet, CJP, and PJP weld configurations • Block shear, tearout, and combined force checks WIND LOAD • ASCE 7-22 directional procedure • Eurocode 1 (EN 1991-1-4) peak velocity pressure • DPT 1311 with built-in database for Thai provinces • Windward/leeward/sidewall pressures, topographic factors, story forces SECTION PROPERTIES • Rectangle, circle, I-section, T-section, L-angle, C-channel, hollow rectangle • Area, centroid, second moments, principal axes, section moduli • Torsion constant, warping constant, plastic moduli, shape factor HYDRAULIC DESIGN • Darcy-Weisbach, Hazen-Williams, and Manning equations • Water supply and drainage modes • Pipe sizing with Reynolds number and friction analysis • Optional pump sizing with TDH and NPSHa LIGHTING DESIGN • Lumen method per ISO 8995 guidelines • Room type presets (office, corridor, warehouse, drawing room) • Fixture layout grid, uniformity ratio, power density • Coefficient of utilization and light loss factor EVERY CALCULATOR INCLUDES • Interactive 2D engineering diagrams with labeled values • Pass/Fail status for all design checks • Material quantity estimates (concrete, rebar, steel) • Save calculations to history for reference • Professional disclaimer for engineer verification DESIGN STANDARDS Concrete Design: • ACI 318-19 (US / International) • Eurocode 2 — EN 1992-1-1 (Europe) • IS 456:2000 (India) • DPT 1008-61 (Thailand) Seismic: • ASCE 7-22 (US) • Eurocode 8 — EN 1998-1 (Europe) • IS 1893:2016 Part 1 (India) • DPT 1302 (Thailand) Steel Connections: • AISC 360-22 (US) • Eurocode 3 — EN 1993-1-8 (Europe) • IS 800:2007 (India) Wind / Other: • Eurocode 1 — EN 1991-1-4 (Wind) • DPT 1311 (Thailand Wind) • ISO 8995 (Lighting) BUILT FOR PROFESSIONALS • Accurate formulas ported from verified web platform • Comprehensive warnings for edge cases • Dark engineering theme optimized for field use • Works completely offline — no internet required Pay once at $19.99. No subscription, no in-app purchases, no ads. All features unlocked immediately. Disclaimer: For reference only. All calculations should be verified by a licensed professional engineer before use in any project.