SkyCiv Foundation provides a user-friendly interface paired with powerful design to easily model isolated foundations. The Isolated Foundation user-interface is composed into 4 tabs: Dettagli, Fondamenti, Ingresso e risultati.
io. Dettagli
Once the user has chosen a design code, all'utente verrà presentato il file “Dettagli” tab as shown below. The units will be chosen automatically based on the design code chosen
figura 1. Project tab details
The user can fill the information for the project details, ad esempio
- Un nome di progetto
- Un ID progetto
- Il nome della tua azienda
- Il disegnatore
- Il cliente
- Note di progetto (open ended notes)
Queste informazioni verranno inserite nel report di progettazione generato.
II. Fondamenti
figura 2. Foundation tab details
Summary of inputs on the “Fondazione” tab:
- Foundation ID – assign numerical identification to each foundation.
- genere – dovresti sentirti pronto per affrontare progetti molto più grandi e complessi “Isolated Foundation” from the drop-down menu.
- supporti – boundary conditions for the foundation (Fare riferimento alla figura 3)
Pin (FFFFRR) – resists vertical and horizontal forces, torsione, but bending moments about local Y and Z axis
3Pin D (FFFRRR) – resists vertical and horizontal forces ONLY
Fisso (FFFFFF) – resists vertical and horizontal forces, as well as moments - SW – self-weight factor
- Stato – resultant of foundation design
Passaggio – the input parameters in the foundation is adequate.
Fallire – the input parameters in the foundation is not adequate. - modificare – click this to start inputting data and edit your foundation
- Eliminare – delete the foundation
figura 3. Type of Supports
III. Ingresso
figura 4. Selecting the Base isolata on the drop-down menu.
Users can establish the type of foundation as shown in Figure 4, dovresti sentirti pronto per affrontare progetti molto più grandi e complessi “Base isolata” to bring up this view
figura 5. Foundation Tab
Il “Ingresso” tab can be separated into three separate tabs, each serving a specific purpose:
- Left Tab
Separates the different input categories such as: Footing, Colonna, Suolo, materiale, Carichi, Reinforcement and Design Parameters. - Screen Tab
User can select different diagram configuration such as Geometry, Analytical or both simultaneously (mostrato in figura 6). This is where dimensions, unità, and analysis graphics of the footing are shown. - Right Tab
Changes in accordance to which input configuration is selected. This is where all of the information with be inputted.
The Screen tab (model space) in the middle can be changed to three different view by clicking the required button in the upper right of the Screen tab. figura 6 shows these three views.
figura 6. (sinistra) Geometry Diagram (centro) Analytical Diagram (giusto) Both Geometry and Analytical Diagram
Lets go over the different input categories in a little more detail.
Footing Configuration
figura 7. Right Tab of selected Footing Configuration at the left tab.
Guarda la figura 8 for the nomenclature of the foundation dimensions:
figura 8. Foundation with designation
Column Configuration
figura 9. Right Tab of selected Column Configuration at the left tab.
Nota: Per λS Modifier – Per ACI 318-14 Sezione 22.6.5.3 – The value of λS è 40 for interior columns, 30 for edge columns and 20 for corner columns.
Guarda la figura 10 for the nomenclature of the foundation dimensions:
figura 10. Foundation with designation
Soil Configuration
figura 11. Right Tab of selected Soil Configuration at the left tab.
Nota: Soil values are usually found in the Geo-technical Report.
materiale
figura 12. Right Tab of selected Materiale button at the left tab.
Carichi
quando “Carichi” are selected, a pop-up window will appear:
figura 13. Loads input window after clicking Carichi
Rinforzo
To navigate between the reinforcement in the X and Z direction, and the column reinforcement, toggle between them using the buttons on the upper right of the Right Tab with Rinforzo selezionato.
figura 15. Right Tab of selected Rinforzo button at the left tab.
figura 14 details the direction nomenclature for the X and Z reinforcement
figura 14. Details of Reinforcement.
Rebar Code Reference:
- ASTM615 – American Society for Testing and Materials 615 : Standard Specification for Deformed and Plain Carbon-Steel Bars for Concrete Reinforcement
- N – Australian Rebar Class N
- PNS49 – Philippines National Standard 49 : Steelbars for concrete reinforcement – Specification.
Design Parameters
To navigate between different Design Parameters, toggle between them using the buttons on the upper right of the Right Tab with Design Parameters selezionato. This section will change depending on the
figura 16. Right Tab of selected Design Parameters button at the left tab.
IV. risultati
After hitting the Controlla il design pulsante, your design will be directed to the “Results Page”. Each column, except for the last two, represents a design check completed by the Foundation module. The values are represented as unity ratios, where anything under 1.0 is a PASS, and anything over 1.0 is a FAIL. The last two columns represent the area of steel in both directions of the footing.
figura 17. risultati Output page
Summary of column representations:
- DIM
Ratio of user’s input dimensions over required design dimensions. - Ribaltamento
Ratio of overturning moment experienced over allowable overturning moment. - Scorrevole
Ratio of sliding force experienced over sliding resistance. - Pressione del suolo
Ratio of soil pressure from experienced loads over allowable soil pressure. - Senso Unico
Ratio of ONE-way shear demand over capacity. - A due vie
Ratio of TWO-way shear demand over capacity. - Flessione
Ratio of flexural demand over flexural capacity. - ComeX
Reinforcement area along x-axis. - Comecon
Reinforcement area along z-axis. - Stato
Indicates that the foundation design is Metà dell'altezza del muro dal fondo della base per il caso del o FAIL - rapporto
Click to see detailed calculation of the design foundation
Riferimento:
- Requisiti del codice di costruzione per calcestruzzo strutturale (ACI 318-14) Commento ai requisiti del codice edilizio per il calcestruzzo strutturale (ACI 318R-14). American Concrete Institute, 2014.
- Taylor, Andrea, et al. Il manuale di progettazione del cemento armato: un compagno di ACI-318-14. American Concrete Institute, 2015.