Calculation Program for the design and check of REINFORCED CONCRETE beams with VARIABLE height
Calculation according to Eurocode 2 UNI EN 1992-1-1 version 2005 and Italian NTC 17-01-2018.
The program verifies and checks iteratively reinforced concrete beams of any (symmetric) cross-sections. The beams may have up to two taperings. The sections can be hollow.
Beams are simply supported and they can have Overhangs at the ends. User can add CAST IN PLACE, to support loads, even with complex shape. The program will homogenize the cast in place to the beam, taking into account the different strengths of the concrete.
FEATURES OF THE MODULE
- ALWAYS UPDATED TO THE LATEST REGULATION
- Any symmetric beam cross-section
- Automatic reinforcement design
- Very easy to use and very fast in results
- Complete results, highlighted and easily controlled
- Technical support and updates included
The program verifies and checks iteratively reinforced concrete beams of any symmetric cross-section, according to Eurocode 2 UNI EN 1992-1-1 : 2005 and Italian NTC2018.
Constantly updated to the newest Regulations
The verification is made in a serie of sections with constant step along the whole beam lenght + the most stressed section for bending
The program will also verify the transitional phases: the draft, lifting, lifting / transport after a storage period
Calculation of the half beam
Superior peak flat option
Asymmetric beams
The losses of tension are calculated in the centre of gravity of the strands contained in the lower 2/3 of the beam. The calculation at limit states is executed in an exact manner based on diagrams of breakage of the strands supplied by the manufacturer of the strands.
In each section the programs checks main traction and compression sigmas on the centre of gravity and shows the minimum distance where the stirrups should be placed. Superior and inferior reinforcement is always calculated, to absorb the tractions as requested from Regulations.
There is the possibility to calculate any section chosen from the user, with the control of main tau and sigma of traction on the whole height of the section.
AUTOMATIC DESIGN OF THE REBARS: The program automatically designs the needed rebars as for breaking verification. Anyway all the others check are done in the various phases. After the calculation, or after the design of rebars, user gets automatically the beam scheme with calculation results.
Shear Verification on support, following the method “variable strut inclination method”
Display of Constraint reactions Rare and Ultimate left and right (also shown in the calculation report).
USE DIAGRAMS research of the span-capacities diagram, given a certain reinforcement
Verification of overhang support
Verification in partial prestress
SEISMIC VERIFICATION
Verification of GERBER SUPPORT
FIRE VERIFICATION
SNOW-WIND LOADS for each Italian location for any load situation.
Moments and shear graphs
AUTOMATIC PROJECT OF THE NEEDED STRANDS The program designs the minimum needed strands FOR BREACKING VERIFICATION
AUTOMATIC PROJECT OF THE NEEDED REBARS AND STIRRUPS FOR SHEAR AND TORSION
Input of the formwork to simplify beam dimension management
Parametric Autmatic sections
Automatic calculation of all the geometrical characteristics
The beam can have CAST IN PLACE and POINT LOADS. User can input piece of rebars in any point of the beams
Editing of a database of the most used roof elements for the automatic calculation of G1, so that the user doesn’t need to look through weight tables each time
Input of loads on beam using m2 or m, user choice
ANY TYPE OF SYMMETRIC CROSS-SECTION Input by points, trapeziums, by DXF or automatic parametric sections
Reports and tables can be exported as: DOC, RTF, PDF, HTML
Fast check or results with highlight of eventual values over the limits of the Rules, any values NOT verified are indicated in red, while the values shown in blue are the values within the limits
Graph of the minimal needed area of stirrups along the whole beam
Easy and graphic management of strands, rebars and sheaths.
Handy starting menu
Settings of defaults data can fasten the inputs of the most used configurations of beams
For users that works for more companies, it is possible to save all the default data and the parameters depending on the Company in "Criterions", so that it is easier and fast to switch from a job to another without worring about all settings. For example., it is possible to save any number of lifting ans transportation schemas.
It is possible to switch from one section to another for the verification in a few seconds and immediately see if it is satisfied or not.
SCHEME OF THE BEAM: in every moment current section, cast in place if present, rebars and calculation results are displayed to always keep the situation under control.
FREE ADD-INS FOR ALL PROGRAMS engineers can easily and quickly make daily calculations
- CALCULATION OF THE REBARS AREAS (for one or more rebars, to add them and to calculate the rebar area/m)
- TABLE OF REBAR AREAS
- TABLE OF STRAND AREAS
- UNIT OF MEASURE CONVERSION
- SEISMIC PARAMETERS
- SNOW-WIND LOADS for each Italian location for any load situation.
SO FAST IT CAN BE USED ALSO IN THE QUOTING STEP
Lots of enhancements are made according to customer request
Available Languages : Italian, English, Spanish
Il programma PREF è una suite di moduli per il calcolo delle travi precompresse che viene distribuita in abbonamento annuale. L'abbonamento può essere personalizzato e include l'uso dei programmi, l'assistenza tecnica e tutti gli aggiornamenti che verranno prodotti.
I programmi hanno protezione hardware USB.
In alto a destra in questo sito, cliccare su LOGIN, accedere con le credenziali fornite (oppure richiederle all'assistenza - non è possibile crearle), andare nel menù Download-Aggiornamenti.
Appare l'elenco degli aggiornamenti disponibili.
Non è necessario scaricare le librerie, gli aggiornamenti le includono, servono solo per casi di assitenza.
The broken dongle is replaced. Contact us to organize the return and for all the details (usually a new dongle is sent and the broken dongle is collected by the courrier at delivery).
Effettuare il login in questo sito. Andare nell'area Download-Aggiornamenti. Cercare errore 7-Memoria esaurita e viene visualizzato il file da scaricare con tutte le istruzioni.
Information request
Please fill in the following form, our staff will answer as soon as possible to the email address you entered. Please specify which software you are referring to.
PREF Free Download
Please fill in the form below and we will send you an email with the link to download the FREE version of the software and all the instructions to the email address you entered.
News, events and promotions
PREF: Aggiornamento verifica al Fuoco alle ultime Normative UNI EN 1992-1-2:2019
Aggiornamento dei programmi alle ultime normative per la verifica al fuoco UNI EN 1992-1-2:2019
RTL: Aggiornamento CLASSI CALCESTRUZZO BASSE
iene data la possibilità di utilizzare anche classi di calcestruzzo basse. Questo può servire per qualche caso specifico: uso di cemento…
RTL: Aggiornamento STAFFE DI SOSPENSIONE
E’ stata messa la possibilità di aggiungere le staffe di sospensione alla staffatura corrente in alcune situazioni: sugli appoggi e nelle…
PREF Aggiornato alle NTC del 17/01/2018
Aggiornato alle NTC del 17/01/2018 AGGIORNATO ALLE ULTIME NORMATIVE: Le metodologie di calcolo sono a scelta: secondo l'Eurocodice 2 UNI EN…