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Clause-referenced design checks to the Eurocodes, AISC, AS, IS and BS — each module validated against published worked examples (365/365 checks pass). Free account, 10 calculations a month.

Eurocode load combination calculator — free, no sign-up. Every EN 1990 ULS (6.10a/6.10b with the UK NA ξ = 0.925) and SLS combination from your Gk, Qk, Wk and Sk, with the governing case identified… Steel beam design to Eurocode 3, in your browser. Design steel beams to EC3 (EN 1993-1-1) online: bending, shear, LTB to §6.3.2, deflection — every check referenced to it… Reinforced concrete beam design to Eurocode 2. Design RC beams to EC2 (EN 1992-1-1) online: flexural reinforcement, shear links, deflection by span/depth, crack contro… Pad foundation design to Eurocode 7. Design pad footings to EC7 online: bearing pressure with moment, eccentricity, EC2 pad reinforcement, punching shear. Va… Timber beam design to Eurocode 5. Design timber beams, rafters and joists to EC5 (EN 1995-1-1) online: bending with kmod and ksys, shear, bearing, deflect… Retaining wall design, checked the classical way. Design retaining walls online: Rankine/Coulomb earth pressures, sliding, overturning, bearing and stem design. Validated… Wind loading to EN 1991-1-4, with the UK National Annex. Calculate wind loads online to BS EN 1991-1-4 with the UK National Annex: basic wind velocity, peak velocity pressure qp… Snow loading to EN 1991-1-3, UK zones and altitude. Calculate roof snow loads online to BS EN 1991-1-3 with the UK National Annex: ground snow load by zone and altitude, sh… Connection design to EC3 Part 1-8. Design steel connections to EC3-1-8 online: bolt groups under eccentric shear, end plates, fin plates, welds, moment con… Seismic design to Eurocode 8. Run EC8 seismic checks online: design response spectrum, fundamental period, lateral force method base shear, storey for… Masonry design to Eurocode 6. Design loadbearing masonry to EC6 online: characteristic strength fk, slenderness and Φ factors, vertical load resistanc… Reinforced concrete column design to Eurocode 2. Design short and slender RC columns to EC2 (EN 1992-1-1): axial capacity, uniaxial and biaxial bending by the §5.8.9 exp… Flat slab punching shear design to Eurocode 2. Check punching shear at internal, edge and corner columns to EC2 (EN 1992-1-1) §6.4: control perimeters, vEd vs vRd,c, a… Reinforced concrete staircase design to Eurocode 2. Design RC stair flights to EC2 (EN 1992-1-1): flight geometry, design load on plan, flexural reinforcement and span/dept… Steel-concrete composite beam design to Eurocode 4. Design composite beams to EC4 (EN 1994-1-1): plastic moment resistance, degree of shear connection, shear stud design an… Steel portal frame design to Eurocode 3. Design single-span steel portal frames to EC3 (EN 1993-1-1): frame geometry, elastic member forces, rafter and column ch… Cross-laminated timber (CLT) panel design to Eurocode 5. Design CLT floor and roof panels to EC5 (EN 1995-1-1): bending and rolling shear by the layered/gamma method, deflection… Driven pile capacity design to Eurocode 7. Calculate driven pile axial capacity to EC7 (EN 1997-1): shaft friction and base resistance in sand and clay with the de… Sheet pile retaining wall design. Design cantilever and propped sheet pile walls: active/passive pressures (Rankine), embedment depth, maximum bending mom… Reinforced concrete shear wall design to Eurocode 2. Design RC shear walls to EC2 (EN 1992-1-1): in-plane shear resistance VRd,c and VRd,s, minimum vertical and horizontal r… Prestressed concrete beam design to Eurocode 2. Design prestressed concrete beams to EC2 (EN 1992-1-1): initial prestress force, short- and long-term losses, stress lim… Water-retaining structure design to Eurocode 2. Design water-retaining RC walls to EC2 and EN 1992-3: hydrostatic moments and shears, flexural reinforcement and crack-w… Continuous beam analysis and design. Analyse and design continuous (multi-span) beams: support and span moments, shear forces and reactions for two, three an… Welded plate girder design to Eurocode 3. Design welded steel plate girders to EC3 (EN 1993-1-5): flange moment resistance, web shear buckling with tension-field … Castellated and cellular beam design to Eurocode 3. Design castellated and cellular steel beams to EC3: section geometry, Vierendeel bending, web-post buckling and horizont… Floor vibration check to AISC DG11 and SCI P354. Check steel and composite floor vibration: fundamental frequency, response factor and peak acceleration against human-co… Cold-formed steel design to Eurocode 3. Design cold-formed steel C and Z sections to EC3 (EN 1993-1-3): effective section properties, moment and lateral-torsion… AISC steel beam design to AISC 360 (LRFD). Design steel beams to AISC 360-22 (LRFD): flexural design strength φMn including lateral-torsional buckling, shear φVn a… Steel beam-column design to Eurocode 3. Design steel members under combined axial load and bending to EC3 (EN 1993-1-1): compression and buckling resistance, an… Steel design to BS 5950-1:2000. Design steel beams to BS 5950-1:2000: moment capacity Mc, lateral-torsional buckling Mb, shear and deflection — for proj… Crane runway girder design to Eurocode 3. Design crane runway girders to EC3 and EN 1993-6: vertical and horizontal wheel loads, biaxial bending, and the L/600 de… Bolted moment connection design to Eurocode 3. Design bolted end-plate moment connections to EC3 (EN 1993-1-8): moment resistance Mj,Rd by the component method, shear … Steel fire design to Eurocode 3. Check steel members in fire to EC3-1-2 (EN 1993-1-2): section factor Am/V, temperature rise, the strength reduction at e… Weld and detail fatigue design to Eurocode 3. Check welded and bolted details for fatigue to EC3-1-9 (EN 1993-1-9): detail category ΔσC, the S-N curve, damage-equival… Steel design to IS 800:2007 (LSM). Design steel beams to IS 800:2007 by the Limit State Method: design bending strength Md with lateral-torsional buckling,… Reinforced concrete torsion design to Eurocode 2. Design RC members for torsion to EC2 (EN 1992-1-1) §6.3: thin-walled section idealisation, maximum torsional resistance … Reinforced concrete corbel design to Eurocode 2. Design RC corbels and nibs to EC2 (EN 1992-1-1) by strut-and-tie: strut angle and force, main tension tie reinforcement … Precast hollow-core slab design. Design precast prestressed hollow-core floor slabs: design load, flexural capacity, shear and the span/load selection ag… RC transfer beam and structure design. Design heavy RC transfer beams that carry columns over open spans: superposed point loads, design moment and shear, deep… Yield-line analysis of reinforced concrete slabs. Analyse RC slabs by yield-line theory: the required moment for common slab and support arrangements at the collapse mech… Concrete anchor and holding-down bolt design to EN 1992-4. Design fastenings to concrete to EN 1992-4: steel, concrete cone, pull-out and edge/splitting failure in tension and she… Structural embodied carbon calculator. Calculate the embodied carbon of a structure to RICS WLCA and the ICE database: material quantities × carbon factors, to… Column load takedown and load path. Run a column load takedown through a multi-storey building: floor reactions accumulated down each column with the EN 199… Reinforced concrete pile cap design to Eurocode 2. Design RC pile caps to EC2 by strut-and-tie: pile reactions, main tension tie reinforcement, punching/corner shear and t… Ground-bearing slab (slab on grade) design to TR34. Design ground-bearing concrete slabs to Concrete Society TR34: radius of relative stiffness, point and line load capacit… Gabion retaining wall design. Design gabion gravity retaining walls to CIRIA C516: self-weight and earth pressures, sliding and overturning stability,… CPT-based pile design (cone penetration test). Design piles directly from CPT data: shaft friction and base resistance from cone resistance qc and sleeve friction fs b… Consolidation settlement analysis (Terzaghi 1-D). Calculate primary and secondary consolidation settlement by Terzaghi's 1-D theory: compression from stress increase, tim… Timber connection design to Eurocode 5. Design timber connections to EC5 (EN 1995-1-1): embedment strength, the Johansen (European Yield Model) lateral capacity… Timber rafter and joist design to Eurocode 5. Design timber rafters and joists to EC5 (EN 1995-1-1): design bending strength with kmod and kh, bending and shear stres… Flitch beam design (steel plate + timber). Design flitch beams (timber with a bolted steel flitch plate) by the transformed-section method: shared stiffness, load … Reinforced concrete ground beam design to Eurocode 2. Design RC ground beams spanning between pads or piles to EC2 (EN 1992-1-1): design moment and shear from wall and ground… Masonry lintel design to Eurocode 6. Design lintels over masonry openings to EC6 and EC0: triangular masonry load with arching, design moment and shear, and … Highway bridge loading to Eurocode 1 (EN 1991-2). Compute highway bridge traffic loading to EC1-2 (EN 1991-2): notional lane division, Load Model 1 (tandem + UDL), and th… Schmertmann settlement of footings on sand. Estimate the settlement of footings on sand by Schmertmann's strain-influence method: net pressure, depth and creep corr… Steel design to AS 4100 (Australian). Design steel beams to AS 4100:2020: section moment capacity φMs, member capacity with lateral buckling, shear capacity φ… Reinforced concrete design to AS 3600 (Australian). Design RC beams to AS 3600:2018: rectangular stress-block flexure, required tension steel Ast, shear and minimum reinfor… Reinforced concrete design to NZS 3101 (New Zealand). Design RC beams to NZS 3101.1:2006: rectangular stress-block flexure, required tension steel Ast, shear and the strength… Catenary cable analysis. Analyse cables and catenaries: sag-tension relationship, horizontal and maximum tension, and cable length under self-wei… Reinforcement anchorage and lap length to Eurocode 2. Calculate rebar anchorage and lap lengths to EC2 (EN 1992-1-1) §8.4-§8.7: design bond strength fbd, basic and design anc… Imposed load reduction to Eurocode 1. Calculate imposed-load reduction to EC1 (EN 1991-1-1) §6.3.1.2: the area reduction factor αA and the storey reduction fa… Reinforced concrete fire design to Eurocode 2. Check RC members in fire to EC2-1-2 (EN 1992-1-2): tabulated axis distance, the 500°C isotherm reduced section, and the … Timber bolt and dowel group design to Eurocode 5. Design timber fastener groups to EC5 (EN 1995-1-1) §8.5.1.1: the effective number of fasteners nef in a row, the group r… Seismic time-history analysis (Newmark method). Run a linear time-history analysis of a single-degree-of-freedom system by Newmark-β integration: response to a ground-m… Steel cross-section classification to Eurocode 3. Classify steel cross-sections to EC3 (EN 1993-1-1) Table 5.2: flange and web slenderness in bending and compression, giv… Composite metal-deck slab design to Eurocode 4. Design composite slabs on profiled steel decking to EC4 (EN 1994-1-1): construction-stage decking check, composite momen…

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