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CivilEngApps programs

Web-based programs for geotechnical and structural engineering: calculations, reinforcement detailing, loads, 3D models and printable reports. Sign in and test every program free for 15 days.

Geotechnical applications

Slope Stability

Slope stability analysis on circular slip surfaces (Bishop, ordinary method of slices) and block sliding mechanisms, with soil layers, groundwater, loads, anchors, dowels and jointed rock.

Circular slip surfaces by the Bishop method and the ordinary method of slices, with a search for the critical circle
Block sliding mechanisms with several wedges and jointed rock with joint sets
Soil layers, ground surface and water table drawn to scale; drag the points of the section on the canvas
Surcharge loads, ground anchors with rebar or strand resistance and pull-out check, and dowels
Utilisation of the most critical mechanism, or the factor of safety against the required one
Undo and redo, and a printable report

Codes and methods: DIN 4084, EN 1997-1 / DIN 1054, NBC 2020

Results and exports: PDF report, HTML report

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Bearing Capacity

Bearing capacity and settlement of strip, rectangular and circular foundations on layered soil, with eccentric loads, trial widths and a printable report.

Strip, rectangular and circular foundations on layered soil with sloped ground, berms and a water table
Eccentric and inclined loads, several load cases and a library of reusable soil types
Plot of the failure surface and of the stress bulb under the foundation
Settlement of the layered soil and the contact pressure under the foundation
Trial-width sweep: the bearing resistance and the settlement for a range of widths
Warnings that point to inputs outside the range of the method

Codes and methods: DIN 4017, DIN 4019, DIN 4018

Results and exports: PDF report, HTML report

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Earth Pressure

Active, at-rest and passive earth pressure on retaining walls from the soil profile, water table and surcharge loads, with Culmann wedge method and reports.

Active, at-rest and passive earth pressure on a wall drawn as a polyline, including battered walls
Soil layers, non-planar ground surface, water table, uniform, strip and line surcharge loads
Pressure diagrams of every pressure type with the resultant forces and their points of application
Walls with soil on both sides, each side with its own profile
Culmann wedge method and the coefficient calculator for a quick look-up of the coefficients at a point
Reusable soil type library and design factors of the chosen code

Codes and methods: DIN 4085, Eurocode 7 / DIN 1054, NZ / SESOC

Results and exports: PDF report, HTML report

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Retaining Wall Planner

Lay out cantilever retaining walls along a drawn alignment, set the wall dimensions and export the 3D model to IFC.

Draw the alignment of the wall as a 3D polyline with plan position and elevation; import it from DXF
Horizontal, sloped and stepped spans: every span is tiled with wall units of the length you set
Section of the wall units with stem, footing, toe and shear key; settings per segment or for the whole project
Mitred bends, gaps between the units and connecting panels at steps
Reference geometry (ground, buildings) in the 3D viewer, with front, side, top and developed elevations
Quantities per segment, and the result of the last computation is saved with the project

Results and exports: PDF report, Excel workbook, DXF drawings, PDF plots of the drawings, IFC model

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Shoring Anchor Planner

Plan ground anchor rows along a shoring wall, check the clearance of the anchors, and get cost quantities and BIM and CAD exports.

Wall top as a 3D polyline; horizontal, sloped and stepped segments
Rows of anchors with their own spacing, length, inclination and grout body
Installation-deviation cone around every anchor and clash check between the anchors and against the wall
3D viewer with the developed elevation of the whole wall
Cost quantities and a cost-estimation report
Data exchange with CAD and BIM tools

Results and exports: PDF report, Excel workbook, DXF drawings, IFC model, Revit script

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Borehole Logs

Draw borehole logs with soil symbols, colours and hatches from tables or Excel, and export them as DXF drawings.

Borehole logs with soil symbols, colours and hatches, samples, groundwater and cored runs
Soil classification by DIN 4023, USCS, the Canadian system or East Africa, with field and laboratory classification
In-situ tests: SPT, CPT/CPTu, DCP, vane and others, with CSV import of CPT data
Profile columns or a log sheet with drilling data and several sheets for deep holes
3D model of the ground between the boreholes over a plan area you draw, with sections along any line
Boreholes from tables or from Excel, English or German drawings

Codes and methods: DIN 4023, USCS, Canadian, East Africa

Results and exports: DXF drawings, PDF plots of the drawings, Excel workbook

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Cantilever Wall Designer

Check the stability of cantilever retaining walls (sliding, overturning, bearing, slip circles) and design stem, toe and heel reinforcement.

Sliding, overturning, eccentricity and bearing capacity of cantilever walls, and overall stability with slip circles
Soil layers, ground surfaces, water table and loads; one segment or all segments of a wall project
Stem, toe and heel reinforcement from the structural design
Own wall without a wall project, edited on the screen by dragging its handles
The result of the last computation is saved with the design
Project information in the reports and drawings

Codes and methods: NBC 2020, Eurocode 7 / DIN 1054, NZ / SESOC

Results and exports: PDF report, HTML report, DXF drawings, PDF plots of the drawings

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Pile Design

Axial capacity, tension, pile groups, negative skin friction, settlement and lateral load of single piles and pile groups.

Axial resistance of piles from shaft and base resistance in layered soil
Tension and uplift, negative skin friction and settlement with the rotation of the cap
Pile groups: group efficiency, load distribution and the plan of the piles
Lateral load analysis with deflection and bending moment along the pile
Structural design of the reinforced pile with hoops or a spiral
Drawings of the pile reinforcement and, for a group, of the pile cap

Codes and methods: NBC 2020, Eurocode 7 / DIN 1054

Results and exports: PDF report, HTML report, DXF drawings, PDF plots of the drawings

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Raft Foundation

Raft foundations as plates on the ground: contact pressure, settlement, reinforcement, punching shear and bearing checks with DXF output.

Raft as a plate on the ground with the finite element method, for any outline
Contact pressure by four methods: rigid raft, subgrade reaction, stiffness modulus and stiffness modulus with edge-pressure limitation
Stiffening walls, columns and wall loads, several load combinations
Flexural reinforcement, one-way shear, punching shear with punching shear reinforcement
Bearing resistance, sliding and buoyancy of the whole raft; settlement and serviceability
Reinforcement plan with the bar schedule and the quantities

Codes and methods: EN 1992-1-1 / EN 1997-1, DIN 1054 / DIN 4018, CSA A23.3 / NBC 2020

Results and exports: PDF report, HTML report, DXF drawings, Bar schedule and quantities

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Structural applications

RC Beam & Slab Design

Reinforced concrete beams, T-sections and slab strips: bending, shear, torsion, crack width, deflection, anchorage and bar schedule.

Up to 30 sections per project: rectangular beams, T-sections and slab strips
Bending with axial force, shear, torsion and the interaction of the actions
Bar layout and effective depth, anchorage and laps
Crack width, deflection and the minimum and maximum reinforcement checks
Bar selection with the bar schedule and the quantities
Summary table of all sections

Codes and methods: EN 1992-1-1, CSA A23.3

Results and exports: PDF report, HTML report, Excel workbook, DXF drawings, Bar schedule and quantities

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RC Column Design

Reinforced concrete columns under axial force and biaxial bending with slenderness, ties and bar schedule.

Up to 30 columns per project: rectangular and circular sections
Axial force with biaxial bending: interaction diagram and the utilisation
Slenderness and second-order effects
Bars, ties and the limits of the reinforcement
Bar schedule with the quantities
Summary table of all columns

Codes and methods: EN 1992-1-1 / DIN 1045-1, CSA A23.3

Results and exports: PDF report, HTML report, DXF drawings, Bar schedule and quantities

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Staircase Design

Lay out code-compliant stairs along any plan axis with landings, handrails and guards, and export IFC, OBJ and DXF.

Up to 20 storeys per file, each one a stair between two finished floors
Stairs along any plan axis, with landings
Rise and run from the limits of the code, with handrails and guards
Code checks of the dimensions with a message for every limit
3D view of the stair
Settings for construction and railing options

Codes and methods: Ontario Building Code, NBC 2020

Results and exports: PDF report, DXF drawings, IFC model, OBJ model

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RC Beam Detailing

Reinforcement drawings of continuous beams: bars, cut-offs, laps, stirrups, sections, bar schedule and DXF.

Continuous beams with any number of spans, columns and supports
You choose the bars at every field and support; the program cuts, laps and anchors them
Stirrups with hooks, spacing zones and the layers of the drawing
Elevation, cross-sections and bar schedule that update while you type
Messages and warnings before the drawing is issued
Saved automatically

Codes and methods: EN 1992-1-1, CSA A23.3

Results and exports: DXF drawings, Bar schedule and quantities

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RC Column Detailing

Reinforcement drawings of columns over several storeys: bars, laps, ties, sections, bar schedule and DXF.

Columns over several storeys, rectangular and circular
Bars from the footing to the top with laps and cut-offs
Ties in the end zones and a middle zone, cross-section of every storey
Bar schedule and notes on the sheet
Piles detailed as long circular columns with a spiral or hoops
Messages and warnings before the drawing is issued

Codes and methods: EN 1992-1-1, CSA A23.3

Results and exports: DXF drawings, Bar schedule and quantities

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Footing Detailing

Reinforcement drawings of square, rectangular, circular, strip and combined footings with dowels, schedule and DXF.

Square, rectangular, circular, strip and combined footings
Bottom mesh, optional top bars, column dowels and links
Plan and two sections on one sheet
Bar schedule with the quantities
Messages and warnings before the drawing is issued
Saved automatically

Codes and methods: EN 1992-1-1, CSA A23.3

Results and exports: DXF drawings, Bar schedule and quantities

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Slab Design

Beam-supported two-way slabs and flat slabs: moments, reinforcement of slab and beams, punching shear, deflection, bar schedule and exports.

Beam-supported two-way slabs: coefficient method, finite element model and equivalent frame method
Flat slabs and flat plates: column and middle strips, punching shear with shear reinforcement
Openings, cantilevers, voids, walls and missing columns
Design of the supporting beams with the load distribution, the envelopes and the stirrups
Long-term deflection, crack width and natural frequency (vibration)
Optimisation of the thickness and a sensitivity study

Codes and methods: EN 1992-1-1, CSA A23.3 / NBC 2020

Results and exports: PDF report, HTML report, Excel workbook, DXF drawings, IFC model, Bar schedule and quantities

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General applications

NBC Specified Loads

Snow, wind and seismic loads of a building to NBC 2020, with the factors used and a printable report.

Specified snow load from the location and the building
Wind load with the factors used
Seismic load of the building and the pseudo-static coefficient for walls and slopes
Location and importance category of the building
Results with the factors that were used

Codes and methods: NBC 2020

Results and exports: PDF report, HTML report

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