General features of the In-situ, precast and steel joists CYPECAD module
Using the In-situ, precast and steel joists module, the following types of joist floor slabs can be analysed and designed:
Defining in-situ, precast and steel joist floor slabs
Precast reinforced joist floor slabs
The files or authorisations for these floor slabs have been provided by several manufacturers and are included in the program. If users wish to enter their own data, they can do so using the Joist floor slab editor.
CYPE’s Joist floor slab editor is a free application that can be downloaded from our website and is also included in the CYPE programs installation USB. The editor allows users to generate an FVA file that can be imported directly to CYPECAD.
More information on this program (Download, Installation, Data introduction, Joist floor slab files for all CYPECAD users, etc.) can be found on the Precast, reinforced and prestressed joist floor slab editor.
Precast prestressed joist floor slabs
The files or authorisations for these floor slabs have been provided by several manufacturers and are included in the program. If users wish to enter their own data, they can do so using the Joist floor slab editor.
CYPE’s Joist floor slab editor is a free application that can be downloaded from our website and is also included in the CYPE programs installation USB. The editor allows users to generate an FVA file that can be imported directly to CYPECAD.
More information on this program (Download, Installation, Data introduction, Joist floor slab files for all CYPECAD users, etc.) can be found on the Precast, reinforced and prestressed joist floor slab editor.
In-situ joist floor slabs
These joist slabs are assembled entirely on-site. They are reinforced in the same way as concrete beams. They can be assigned a bottom base reinforcement using the option: Slabs > Base reinforcement. Users define the following floor slab elements:
- Compression layer thickness
- Rib spacing
- Form material
- Form geometry
- Unit weight of the form
Steel joist floor slabs
These are rolled T or I-section steel joist floor slabs and are designed as statically determinate elements. Users define the following floor slab elements:
- Compression layer thickness
- Rib spacing
- Form material
- Form geometry
- Unit weight of the form
Open-web joist floor slabs
These floor slabs are composed of trussed joists that are designed as statically determinate elements. Users have to select the following elements to define the floor slab:
- Type of open-web joist:
- Double circular hollow section
- Double rectangular hollow section
- Quadruple rectangular hollow section
- Double angles
- Quadruple angles
The top and bottom chords of the trusses are formed by one or two identical sections, depending on the selected type, whilst the diagonals are formed by a single section, all of which are of the same series.
- Nominal depth
- Passage
- Joist spacing
- Thickness of the top slab
In-situ, precast and steel joists library
The reinforced precast and prestressed joist floor slabs files generated by users can be saved alongside the manufacturer's floor slab files included in the program. The forms that are defined for in-situ and metal joist floors can also be included in a form library, and the metal sections that are used in metal and lattice joists are selected from the program's section library, which can be extended by the user.
Design options
The program has a series of design options available with suitable default values that can be configured by the user (minimum top reinforcement lengths, minimum moments to be covered with reinforcement, deflection limits, covers, rounding-off of bar lengths, etc.).
Results obtained
For in-situ, precast and steel joists, the program displays the following results in drawings and on screen:
- Precast joist floor slabs
- Factored bending moments per metre width
- Factored shear per metre width at supported ends
- Type of reinforced or prestressed joist
- The type of lattice for reinforced precast joists
- Top reinforcement
- In-situ joist floor slabs
- Factored bending moments per metre width
- Factored bending shear per metre width at the bearing edge
- Diameter and length of bottom reinforcement
- Diameter and spacing of shear reinforcement
- Top reinforcement
- Steel joist floor slabs
- Factored bending moments per metre width
- Factored shear per metre width at the bearing edge
- Section of the designed steel joist
- Top reinforcement
- Open-web joist floor slabs
- Factored bending moments per metre width
- Factored shear per metre width at the bearing edge
- Designed lattice reinforcement
- Top reinforcement
El programa dispone de herramientas para igualar los resultados del cálculo de modo que se obtengan unos resultados uniformes que faciliten la The program has tools to equalise the calculation results so as to obtain uniform results that provide an easier interpretation of the drawings.
CYPECAD versions
CYPECAD is available in its unlimited version and also in two limited versions called LT30 and LT50, which contain the same tools and module acquisition possibilities, but have the following conditions:
CYPECAD LT50:
- Fifty columns.
- Four floor groups (Floor group: floors which are the same and consecutive).
- Total of five floors.
- Walls: one hundred linear metres. Feature available with the Building walls module.
CYPECAD LT30:
- Thirty columns.
- Four floor groups (Floor group: floors which are the same and consecutive).
- Total of five floors.
- Walls: one hundred linear metres. Feature available with the Building walls module.
Integrated 3D structures of CYPECAD (also LT50 and LT30) is not technically a module. To define these 3D structures in CYPECAD, users must also have the required permits to use CYPE 3D in their user license and, optionally, modules that are exclusive to CYPE 3D.
Other features
In order to access further features offered by the program, there are several modules that can be found on the "CYPECAD modules" webpage.
