Design Code Coverage
Every module's supported standards — sourced directly from the calculation engines, with exact code clause references. ACI 318-19 reinforced-concrete design is fully implemented in 9 of the 13 modules; the remaining 4 — geotechnical and masonry modules — use their own established methods instead, disclosed individually below. IS 456:2000 and Eurocode 2 are fully implemented in the Beam and Column studios.
RC Beam Studio
Singly reinforced beams, multi-span continuous beams, flexure, shear, torsion, and deflection.
Flexure (Whitney stress block), shear (§22.5), torsion (§22.7), curtailment, development length, deflection (§24.2).
Flexure (Annex G-1.1), shear (Cl 40), torsion (Cl 41), Mu,lim check, anchorage (Cl 26.2).
Flexure (§6.1), shear (§6.2, VRd,c & VRd,s), torsion (§6.3), minimum reinforcement (§9.2.1), detailing (§8.4).
Column Design Studio
Circular and rectangular RC columns under uniaxial and biaxial bending with P-M interaction diagrams and slenderness checks.
P-M interaction (§22.4), slenderness (§6.2.5, §6.6.4 magnified moments), ties & spirals (§25.7), biaxial (Bresler).
Short & slender columns (Cl 39), P-M interaction, additional moment method (Cl 39.7.1).
Slenderness (§5.8.3, λlim), nominal curvature second-order method (§5.8.8), P-M interaction (§6.1), detailing (§9.5).
Whole-Floor Slab Grid
7-sheet multi-panel two-way flat plate and flat slab analysis with strip moments, column & middle strip reinforcement, and BBS.
DDM strip moments (§8.10), minimum thickness (Table 8.3.1.1), flexural reinforcement, deflection (§24.2), BBS.
Isolated & Combined Footings
Square, rectangular, and combined footings under concentric and eccentric column loads with bearing, one-way shear, punching shear, and flexural reinforcement.
Bearing capacity (§13.2), one-way shear (§22.5), two-way punching (§22.6), flexural reinforcement (§13.3), minimum As (§13.3.3).
Pile Cap Studio
2- to 5-pile groups using Strut-and-Tie Method (STM) for cap flexural design, one-way and two-way shear checks, and top mesh reinforcement.
STM (Ch 23), pile reactions (rigid-cap), flexure (PC-B1/B2), one-way & punching shear, PC-T1 top mesh, BBS.
Bearing Capacity & Settlement
Allowable and ultimate bearing capacity for shallow foundations using Terzaghi and Meyerhof methods, plus elastic and Terzaghi consolidation settlement.
Terzaghi (1943) & Meyerhof (1963) general bearing capacity equations, elastic settlement (Janbu), primary consolidation (Terzaghi).
Laterally Loaded Pile
Ultimate lateral capacity of single circular piles using the Broms (1964) method for both free-head and fixed-head conditions in cohesive and cohesionless soils.
Broms (1964) short & long pile failure modes, passive soil resistance, moment demand and deflection estimate.
Retaining Wall Studio
Cantilever and gravity masonry retaining walls with Rankine earth pressure, sliding, overturning, and bearing capacity stability checks.
Stem flexure & shear (§22.5), toe & heel slab design, development length, Rankine active pressure, stability ratios.
RC Staircase Studio
Simply supported RC flight staircase design with waist slab flexure, shear, minimum reinforcement, and BBS.
Waist slab method, flexural demand on inclined slab, shear (§22.5), minimum As (§24.4.3.2 shrinkage & temperature ratio), step reinforcement.
RC Water Tank Studio
Rectangular and circular RC water-retaining structures designed to ACI 318-19 general RC provisions with serviceability crack-width control.
Wall flexure & shear, crack-width control (Gergely-Lutz z-factor method), direct tension reinforcement, minimum wall thickness, base slab.
RC Swimming Pool
RC swimming pool walls and base slab under hydrostatic pressure and soil surcharge with crack-width verification.
Hydrostatic & lateral earth pressure loading, wall & base flexure, shear, serviceability crack control (Gergely-Lutz z-factor method).
Stepped Masonry Footing
Stepped brick masonry footing design under concentrically loaded columns following bearing stress dispersion rules.
Traditional allowable-stress masonry design (load dispersion through steps, bearing stress verification, step geometry optimization) — not an ACI 318 reinforced-concrete check; brickwork here is unreinforced.
Pile Axial Capacity
Axial load-carrying capacity of driven and bored circular piles in layered soil using unit skin friction and end-bearing methods.
α-method (cohesive soils), β-method (cohesionless soils), Meyerhof end bearing, layered soil, factor of safety, inverse depth solver.
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