22 April 2025
- Implemented collinear columns along the x-axis for combined footings.
14 April 2025
General UI Bug Fixes and Improvements:
- Fixed the issue where the UI switches to mobile mode when resizing the window
- Fixed incorrect direction of Vz in the graphics (combined footing)
- Displays the correct value and direction of loads in 3D graphics
- Added option to skip one-way shear checks
- Added option to skip load transfer checks
- Added soil cohesion user input
- Rename 'Gross Allowable Soil Bearing Capacity' to Allowable Soil Bearing Capacity
- Renamed the 'Add static load' button to 'Add Load'
- Renamed header for Longitudinal reinforcements to 'Reinforcements along the x-direction'
- Renamed header for Transverse reinforcements to 'Reinforcements along the z-direction'
- Adjusted default values for steel strength, combination factors, long-term and short-term factors, and bearing capacities to more realistic levels
- Renamed the design code selection for Australian Standard (2018) to 'Australian Standard (AS 3600:2018, AS 2159-2009)
- Renamed the design code selection for Australian Standard (2009) to 'Australian Standard (AS 3600:2009, AS 2159-2009)
UI Changes for Australian Standards:
- Fixed info tip for F_gw Combination Factor
- Removed the 65 MPa concrete strength (f'c) limit
- Added option to add ULS check soil bearing capacity
- Added Ultimate Soil Bearing Capacity user input
- Added 'Stability' load combination for custom loads
- Renamed header 'Imposed Action Factors' to 'Load Combination Factors'
- Set the default value of the punching shear edge factor to 0.5
General Calculation Changes:
- Fixed maximum eccentricity to consider negative values (considered the absolute value of eccentricities to get the maximum)
- Added passive soil resistance considering the presence of groundwater (Sliding Checks)
- Added passive force due to cohesion (Sliding Checks)
- Added base resistance due to cohesion (Sliding Checks)
- Revised sliding check message when no shear force is declared
- Revised table header for self-weights to 'Additional loads on the footing'
Calculation Changes For Australian Standard One-way Shear Check:
- Added One-way shear check for isolated footings
- Added depth check for shear reinforcements
- Updated Vu,max formula according to AS 3600-2016 amendment 2
Calculation Changes For Australian Standard Development Length Check:
- Fixed cd calculation using clear spacing of bars in development length check
- Updated the value of factor k₁ to reflect thick bottom concrete cover exceeding 300 mm
- Concrete strength (f'c) taken as 65 MPa for strength classes exceeding 65 MPa
Calculation Changes For Australian Standard Punching Shear Check:
- Set the default critical shear perimeter from (punching_shear edge_factor * d) to 0.5d for punching shear check
- Corrected the formula used for calculating the critical shear perimeter
- Improved reporting of punching shear checks
- Added illustration guides for the column position classification
Calculation Changes For Australian Standard Bending Check:
- Revised moment capacity for plain concrete formula, changed 0.45√f'c to 0.6√f'c
- Revised moment capacity formula, changed α₂ to ku
- Updated ductility check conditions (ku <= 0.36) in the calculation of moment capacity
- Recalculated 'a' and 'ku', then added formula for moment capacity of the non-ductile section
- Removed minimum reinforcement check for top bars
Calculation Changes For Australian Standard Stability Check:
- Buoyancy force accounted for in stability checks when using custom loads
- Revised destabilising and stabilising moment formulas to consider moments at toe and heel
- Updated P, V, M values in tables for destabilising and stabilising moments
- Additional notes for overturning check
- Updated overturning ratio to consider x and z directions
- Renamed Stabilising moments and destabilising moments table headers to 'About x' and ' About z' in overturning checks
- Improved calculation process for stability checks for custom load cases
Calculation Changes For American Standard:
- Added One-way shear check for isolated footings
24 February 2025
- Calculation of piles geotechnical capacity using ultimate limit state.
- Fixed issue of progress status bar stuck at 8.5% for multiple foundations with custom loads on.
- CSA 2014: Fixed incorrect moment capacity due to a negative value in footing reinforcement area per unit length.
- CSA 2014: Added notification when zero anchorage length is provided in one direction.
- ACI 318-14 Piles: Added user-defined factors of safety for bearing and uplift serviceability checks.
- ACI 318-14 Piles: Added user-defined strength reduction factors for compression and tension members.
09 January 2025
- General UI Changes:
- NEW: Visualize column dowel/starter bars in 3D.
- NEW: Visualize footing bar hooks in 3D.
- NEW: Added column dowel/starter bars direction.
- NEW: Added solver settings button.
- NEW: Option to ignore development length checks for column dowel/starter bars.
- NEW: Option to ignore development length checks for top and bottom footing bars.
- NEW: Added footing bar end configurations (straight, 90-degree hook, 180-degree hook).
- NEW: Separate renderer filter options for top and bottom bars.
- NEW: Added filter option for column dowel/starter bars.
- NEW: Concrete cover input for column.
- NEW: Load combinations info tip in the FEA results.
- Moved punching shear factor input into the solver settings modal.
- Added development length checks on each face of column per direction.
- Moved the concrete cover input from the Miscellaneous to Reinforcement tab.
- UI Changes for ACI:
- NEW: Added Confining reinforcement modification factor of dowel bars.
- Removed Casting position factor Ψt.
- Added info tip for the coating factors.
- UI Changes for AS:
- NEW: Added toggle for epoxy-coated reinforcements.
- NEW: Added Stability load combinations in the renderer option.
- NEW: Groundwater combination factor.
- UI Changes for CSA:
- Removed development length factors (k1, k3, k4).
- Added info tip for the coating factors.
- UI Changes for EN:
- NEW: Added long-term coefficient factor for concrete.
- NEW: Added toggle for welded transverse reinforcements.
- Switched concrete strength input from text input into dropdown selection.
- Switched steel strength input from text input into dropdown selection.
- Calculation Report Changes for Column Dowel/Starter Bars:
- Detailed compression development length check.
- Additional check if the column is under tension for each load combination.
- Detailed tension development length check if the column is under tension.
- Calculation Report Changes for Flexural Bars:
- Detailed compression development length check for both top and bottom bars.
- Detailed checks of the provided anchorage length from each face and each side of the column(s).
- Detailing check: footing thickness based on bar-end configurations.
- Added illustrations as a guide for the anchorage length provided.
- Revised Critical bending distance figure (AS 3600).
- Calculation Report Changes for Stability Checks (AS 3600):
- Applied the groundwater combination factor.
- Set buoyant force as Su.
- Revised stability checks using the stability load combinations (uplift, sliding, and overturning checks).
- Added SLS6 and SLS7 under the serviceability load combinations.
15 May 2024
- NEW: Added column dowel bars toggle.
- NEW: Added short-term load combination factor (Ψs) for AS 3600.
- NEW: Added wind & seismic service load types (Ws & Es) for AS 3600.
- NEW: Option to ignore compression development length check for column dowel bars.
- NEW: Access to report manager after running design checks.
- Revised serviceablity load combinations for AS 3600.
- Revised piles uplift check for ACI 318-14.
- Revised footing flexural (tension) development length check for ACI 318-14 & AS 3600.
- Removed the bar size factor (Ψs) input from the UI for ACI 318-14.
03 May 2024
- NEW: Import JSON files under the File menu.
- Improved notifications and validation of invalid input.
- Fixed the issue where the 3D renderer crashes when inputting invalid reinforcement data.
- Fixed Report Manager under the File menu.
15 April 2024
- NEW: Added button to duplicate model inside the foundations table.
- NEW: Added custom model name input inside the foundations table.
13 March 2024
- NEW: Integration of Finite Element Analysis (FEA).
- NEW: Improved soil pressure analysis based on FEA results.
- NEW: Added wood-armer analysis.
- NEW: Added mesh size input, meshed plate model & plate ids preview.
- NEW: Added Modulus of subgrade reaction (isolated & combined footings).
- NEW: Added punching shear edge factor input to determine column classification (interior, edge, or corner).
- NEW: Added loading screen when solving the model.
- NEW: Enabled column offset in the z-direction for combined footings.
- NEW: Enabled input for shear loads & moments in both x & z directions for combined footings.
- NEW: View 3D FEA results in both x & z directions for soil pressure and wood-armer analyses.
- NEW: Toggle FEA results across all load combinations including envelope cases.
- NEW: Toggle FEA results for the top, bottom, or both faces for wood-armer analysis.
- Added FEA results screenshots into the design reports.
- Updated buoyant force calculation due to the effect of groundwater.
- Revised uplift check.
- Added sliding check for combined footing.
- Added overturning check for combined footing.
- Updated service load combinations for CSA.
- Updated one-way shear check of isolated footing for CSA.
- Used exact effective depth in punching shear checks (ACI and CSA).
- Added punching shear area from "d" distance for Eurocode.
- Updated punching shear demand according to FEA results.
- Added plain concrete capacity in flexure checks of isolated footing.
- Considered the reduced area in flexure/moment resistance for CSA.
- Used unit length in calculating the reinforcement capacity.
- Updated bearing checks for CSA and ACI codes.
20 November 2023
- NEW: Added user-defined end-bearing capacity and total skin-friction resistance for Piles foundation.
12 May 2023
- NEW: Added screenshot button to download the graphics in PNG format.
- NEW: Added orthographic & front view shots into the detailed report for isolated & combined footings.
- NEW: Added orthographic & top view shots into the detailed report for piles foundation.
- Removed view buttons in right-side menu as they can now be done using the view cube in the bottom-left.
17 April 2023
- NEW: Improved & cleaner user interface.
- NEW: Added CSA A23.3-14 code for isolated and combined footings.
- NEW: Added interactive 3D graphics renderer for all foundation types.
- NEW: Added 3D graphic representation of soil pressures for isolated and combined footings.
- NEW: Added model summary data.
- NEW: Added graphic views control.
- NEW: Added visibility settings for the 3D graphics.
- NEW: Added option to display different load combinations.
- NEW: Added toggle to add top longitudinal & lateral reinforcement inputs for isolated footing.
- NEW: Added maximum critical values for ULS and SLS load combinations in the report.
- NEW: Replaced alerts with side notifications for warnings and model validation.
- Merged AS 3600 imposed action factors of columns 1 & 2 for combined footings.
- Removed the number of shear reinforcement input for Piles foundation.
- Renamed 'Soil Configuration' tab to 'Soil'.
- Renamed 'Design Parameters' tab to 'Miscellaneous'.
28 October 2022
- NEW: Column Offset (x,z) for isolated foundation.
14 September 2022
- NEW: Added project details in the reporting.
- Renamed zone labels (soil pressure).
- Updated soil pressure calculations for Zones D & E (formerly Zones 3 & 4).
24 August 2022
- NEW: Improved user interface that is cleaner and easier to use.
- NEW: Added Eurocode design code for isolated, combined and pile foundations.
- NEW: Added surcharge area load input (isolated & combined).
- NEW: Added round columns (combined).
- NEW: Improved reporting format & more detailed calculation.
- NEW: Added detailed calculation of service & ultimate soil pressures (isolated & combined).
- NEW: Added shear force & bending moment table into the report (combined).
- Revised uplift check (isolated & combined).
- Revised sliding check (isolated).
- Revised overturning check (isolated).
- Changed soil bearing capacity to gross allowable soil bearing capacity (isolated & combined).
- Transferred the edge inputs from 'Footing Confgurations' to 'Column Configurations' tab (combined).
v1.2.0 - 17 August 2020
- NEW: Added AS3600-2018 for Isolated and Combined Foundations.
- NEW: Added AS3600-2009 for Pile Foundations.
- Lots of bug fixes.
v1.1.0 - 16 January 2020
- NEW: Added design module for combined foundation
- NEW: Added custom load feature
- NEW: Added filter graphics functionality
- NEW: Added shear and moment diagram for combined foundation
- Improved geometrical and analytical diagrams.
- Improved reinforcement tab for isolated foundation.
- More detailed calculation and improved reporting.
v1.0.0 - 22 August 2019
- First release of SkyCiv Foundation Design
- Released design modules for isolated and piles foundation
- Checks foundation design based on ACI 318-2014, AS 3600-2018, AS 2159-2009 design standards