RF-PUNCH 4.xx - Dlubal Software

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Structural Analysis and Design Software

Steel Structures
Concrete Structures
Timber Structures

Glass Structures
Plant Engineering
Mechanical Engineering

Interfaces, Data Exchange
Dynamic Analysis

Updated:

05/09/2012

Cross-References

Related programs

	RFEM add-on module for reinforced concrete design of members and surfaces

	RFEM add-on module for non-linear reinforced concrete design for serviceability limit state

	RFEM add-on module for reinforced concrete design of members and surfaces (plates and walls) in 2D

	RFEM add-on module for reinforced concrete design acc. to model column method or method based on nominal curvature

RF-CONCRETE RF-CONCRETE NL RF-CONCRETE 2D RF-CONCRETE Columns

	Advanced setting for RFEM add-on modules RF-CONCRETE, RF-CONCRETE 2D, RF-CONCRETE Columns and RF-PUNCH for design acc. to EC 2

	Advanced setting for RFEM add-on module RF-CONCRETE Members for reinforced concrete design acc. to ACI 318-11

EC2 for RFEM ACI 318-11 for RFEM

Products - Overview

RF-PUNCH 4.xx

Punching Shear Design for Plates and Foundations Supported by Columns

The RFEM add-on module RF-PUNCH is used for the design of punching shear resistance for surfaces supported by columns or nodal supports. The governing punching load is automatically determined from the specified load. But it is also possible to apply a concentrated punching load to a plate manually.

RF-PUNCH allows for a quick punching shear design without entering lots of data. The following standards are available:

DIN 1045-1:2008-08

DIN 1045-1:2001-07
DIN 1045:1988-07
DIN V ENV 1992-1 -1:1992
ÖNORM B 4700:2001-06
EN 1992-1-1:2004 + AC:2010 (optionally available)

Features

Import of relevant information and results from RFEM
Integrated material and cross-section library that can be edited
Optionally available: Design of reinforced concrete members according to EN 1992-1-1:2004 + AC:2010 (Eurocode 2) as well as to the following national application documents (NAD) (see also EC2 for RFEM).

SIST EN 1992-1-1:2005/A101:2006 (Slovenia)
ÖNORM B 1992-1-1:2011-12 (Austria)
DIN EN 1992-1-1/NA:2011-01 (Germany)
NEN EN 1992-1-1/NA:2011-11 (Netherlands)
CSN EN 1992-1-1/NA:2006-11 (Czech Republic)
UNE EN 1992-1-1/NA:2010-11 (Spain)
EN 1992-1-1 DK NA:2007-11 (Denmark)
NF EN 1992-1-1/NA:2007-03 (France)
STN EN 1992-1-1/NA:2008-06 (Slovakia)
SFS EN 1992-1-1/NA:2007-10 (Finland)
NA to BS EN 1992-1-1:2004 (United Kingdom)
SS EN 1992-1-1/NA:2008-06 (Singapore)
NP EN 1992-1-1/NA:2010-02 (Portugal)
UNI EN 1992-1-1/NA:2007-07 (Italy)
SS EN 1992-1-1/NA:2008 (Sweden)

PN EN 1992-1-1/NA:2008-04 (Poland)

In addition to the NADs listed above, you can define application documents by yourself, applying user-defined limit values and parameters.

Complete and reasonable presetting of input parameters
Determination of punching shear reinforcement
Integration of design software by DEHA/Halfen (producer of shear rails)
Results numerically and graphically (3D, 2D and in sections)
Punching shear design with or without punching shear reinforcement
Design or layout of longitudinal reinforcement
Complete integration of output in RFEM printout report


Input When you start RF-PUNCH, the materials and surface thicknesses defined in RFEM are already preset. If still necessary, you can select the nodes that you want to design manually or graphically. Furthermore, it is possible to take into account openings existing around the relevant area with risk for punching shear. Those openings are either already known from the RFEM model or can be specified additionally in RF-PUNCH so that the model's stiffness won't be affected. Moreover, it is possible to define those openings subsequently in the graphic by using rectangular or circular openings. As parameters of the longitudinal reinforcement, the number and direction of layers as well as the concrete cover are defined by surface, separately for the plate's top and bottom sides. A further input table allows you to define all additional details for the punching shear points, such as the settings for the perimeter to be considered, the available longitudinal reinforcement and the punching shear reinforcement. To provide a clear overview, RF-PUNCH always displays the plate with the corresponding punching shear point. Furthermore, it is possible to start the design program developed by HALFEN-DEHA, a German producer of shear rails, in the final input table. In this way, all information set in RFEM can be transferred quickly and easily for further use.


Design RF-PUNCH can determine the punching load automatically, based on support forces, specified concentrated loads or axial forces of the connected members. It is also possible, however, to enter user-defined specifications. When designing according to DIN 1045-1, you can influence the shape and creation of perimeters. This can be useful in case you want to check existing punching shear designs with the same arrangement of perimeters, or to restrict the maximum size of the final perimeter because of structural reasons or in order to avoid collisions with other perimeters. As RF-PUNCH is integrated in RFEM, all punching shear nodes are known in the surface. Therefore it is possible to carry out an interference check of the determined perimeters with the perimeters of the adjacent columns.


Results Subsequent to the calculation, RF-PUNCH displays the punching shear designs in clearly arranged tables together with all result details in order to ensure traceability. The provided and the allowable shear stresses for the design shear resistance of the plate as well as various perimeters and reinforcement ratios are represented in detail. Where necessary, a clarifying note is indicated. Another results table lists the required longitudinal or punching shear reinforcement for each node that has been analyzed. A graphic describing the results is available, too. All displayed design results can be clearly represented with values in the workspace. Furthermore, it is possible to integrate all results tables and graphics into the global RFEM printout report. In this way, a clearly arranged documentation is guaranteed.

Note

You can find more information about RF-PUNCH here:

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