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2021-09-08

Concrete Design Add-on

The Concrete Design add-on combines all CONCRETE add-on modules from RFEM 5 / RSTAB 8. Compared to these add-on modules, the following new features have been added to the Concrete Design add-on for RFEM 6 / RSTAB 9:

  • Input of design-relevant specifications (effective lengths, durability, reinforcement directions, surface reinforcement) directly in the RFEM or RSTAB model
  • Extensive input options for longitudinal and transverse reinforcement of members
  • Detailed intermediate results for the design with specification of the equations of the applied standard for better traceability of the calculation
  • New interaction diagram with interactive graphic for N, M, and M + N from cross-section design incl. output of the secant and tangent stiffness
  • Design of the defined reinforcement in the ultimate limit state and serviceability limit state incl. graphical output of the design ratio for the respective component
  • Automatic check of the defined reinforcement with regard to the construction or general reinforcement rules for reinforced member and surface components
  • Cross-section design optionally with net values of the concrete section
  • Design according to the Russian standard SP 63.13330
Defining Longitudinal Reinforcement of Member
Defining Longitudinal Reinforcement of Member
Events
2024-04-24
Online Training | English
EN-GB | Flag Online Training
RFEM 6 | Students | Introduction to FEM
2024-05-08
Online Training | English
EN-GB | Flag Online Training
RFEM 6 | Students | Introduction to Reinforced Concrete Design
2024-05-23
Most Frequently Asked Questions Answered by Dlubal Support Team
EN-GB | Flag Webinar
Most Frequently Asked Questions Answered by Dlubal Support Team | May 2024
2024-10-23
Online Training | English
EN-GB | Flag Online Training
RSECTION 1 | Students | Introduction to Strength of Materials
2024-10-30
Online Training | English
EN-GB | Flag Online Training
RFEM 6 | Students | Introduction to FEM
2024-11-13
Online Training | English
EN-GB | Flag Online Training
RFEM 6 | Students | Introduction to Reinforced Concrete Design
Videos
EN-US | Flag Event
Online Training | RFEM for Students | Part 3 | 15.06.2021
Length: 02:50:31 min
FAQ 004892
EN-US | Flag FAQ
[EN] FAQ 004892 | Why do I get such a small amount of reinforcement for the upstand beam? The amount ...
Length: 00:01:00 min
FAQ|004893
EN-US | Flag FAQ
[EN] FAQ 004893 | How are the creep and shrinkage for columns considered in RF‑CONCRETE Members ...
Length: 00:00:27 min
EN-US | Flag Event
Online Training | RFEM for Students | Part 3
Length: 02:48:58 min
FAQ|004527
EN-US | Flag FAQ
[EN] FAQ 004527 | In connection with the analytical SLS calculation, I get implausibly large values for...
Length: 00:00:51 min
FAQ 004501
EN-US | Flag FAQ
[EN] FAQ 004501 | Is it possible to export the results from RF‑CONCRETE Surfaces to Excel? For ...
Length: 00:00:50 min
KB | 001677
EN-US | Flag Knowledge Base
KB 001677 | Nonlinear Calculation of Floor Slab Made of Steel Fiber Reinforced Concrete in Serviceability ...
Length: 00:02:09 min
CP | 001169
EN-US | Flag Customer Project
CP 001169 | Membrane Roof Structure on Banks of Elbe River in Dresden, Germany
Length: 00:00:10 min
KB|001623
EN-US | Flag Knowledge Base
KB 001623 | Nonlinear Calculation of Floor Slab Made of Steel Fiber-Reinforced Concrete in Ultimate...
Length: 00:04:00 min
Models to Download
Model 004557 | Bolted Plate Connection
324x
15x
Bolted Plate Connection
Model 004545 | I Profile to Concrete Block Connection
474x
29x
I-Section to Concrete Block Connection
Model 004544 | Two-Way Ribbed Slab
355x
20x
Two-Way Ribbed Slab
Model 004543 | One-Way Ribbed Slab
645x
29x
One-Way Ribbed Slab
Model 004576 | Bridge with Piers and Abutments
378x
28x
Bridge with Piers and Abutments
Model 004558 | Braced Retaining Wall
223x
13x
Braced Retaining Wall
Model 004562 | Concrete Base Band
141x
5x
Concrete Base Band
Model 004561 | Anchor Plate for I-Profile Beam
236x
11x
Anchor Plate for I-Section Beam
Model 004559 | Water Storage Tank
168x
5x
Water Storage Tank
Knowledge Base Articles
Determining Required Longitudinal Reinforcement for Shear Force Design
The shear force resistance VRd,c without computational shear force reinforcement according to 6.2.2 of EN 1992-1-1 [1] or 10.3.3 of DIN 1045-1 [2] is calculated depending on the longitudinal reinforcement ratio. If the required longitudinal reinforcement from the bending design is used for the calculation of VRd,c, this leads to an underestimation of the shear force resistance without shear reinforcement in the vicinity of the hinged end supports. In contrast to the shear force, the required bending reinforcement decreases in the direction of the support. Furthermore, the actually inserted longitudinal reinforcement usually deviates significantly from the required bending reinforcement in the end support area (for example, in the case of non-staggered beam reinforcement).
Floor Slab with Racking Loads
Describing the procedure for the serviceability limit state design of a floor slab made of steel fiber reinforced concrete. This article shows how to perform the corresponding design for the SLS by means of the iteratively determined FEA results.
Base Plate with FE Mesh Refinements and Shelf Support Loads 
Steel-fiber-reinforced concrete is mainly used nowadays for industrial floors or hall floors, foundation plates with low loads, basement walls, and basement floors. Since the publication in 2010 of the first guideline about steel-fiber-reinforced concrete by the German Committee for Reinforced Concrete (DAfStb), a structural engineer can use standards for the design of the steel fiber-reinforced concrete composite material, which makes the use of fiber-reinforced concrete increasingly popular in construction. This article describes the nonlinear calculation of a foundation plate made of steel fiber-reinforced concrete in the ultimate limit state with the FEA software RFEM.
Load-Deformation Behavior of a) Unreinforced Concrete and b) Steel Fiber-Reinforced Concrete
Steel-fiber-reinforced concrete is mainly used nowadays for industrial floors or hall floors, foundation plates with low loads, basement walls, and basement floors. Since the publication in 2010 of the first guideline about steel-fiber-reinforced concrete by the German Committee for Reinforced Concrete (DAfStb), a structural engineer can use standards for the design of the steel fiber-reinforced concrete composite material, which makes the use of fiber-reinforced concrete increasingly popular in construction. This article explains the individual material parameters of steel-fiber-reinforced concrete and how to deal with these material parameters in the FEM program RFEM.
Screenshots
Defining Longitudinal Reinforcement of Member
Defining Longitudinal Reinforcement of Member
VE 1027 | Model
VE 1027 | Model
Dialog Box "New Member Rotational Restraint", Assigning Member Support
Dialog Box "New Member Rotational Restraint", Assigning Member Support
Verification Example 1027 | Load Cases
Verification Example 1027 | Load Cases
Dialog Box "New Member Support", Tab "Rotational Restraint"
Dialog Box "New Member Support", Tab "Rotational Restraint"
Dialog Box "New Member Support", Tab "Main"
Dialog Box "New Member Support", Tab "Main"
Dialog Box "New Member Support", Tab "Eccentricity"
Dialog Box "New Member Support", Tab "Eccentricity"
Dialog Box "New Member Shear Panel", Assigning Member Support
Dialog Box "New Member Shear Panel", Assigning Member Support
Dialog Box "New Member Support", Tab "Shear Panel - y"
Dialog Box "New Member Support", Tab "Shear Panel - y"
Product Features
Defining Longitudinal Reinforcement of Member

The Concrete Design add-on combines all CONCRETE add-on modules from RFEM 5 / RSTAB 8. Compared to these add-on modules, the following new features have been added to the Concrete Design add-on for RFEM 6 / RSTAB 9:

  • Input of design-relevant specifications (effective lengths, durability, reinforcement directions, surface reinforcement) directly in the RFEM or RSTAB model
  • Extensive input options for longitudinal and transverse reinforcement of members
  • Detailed intermediate results for the design with specification of the equations of the applied standard for better traceability of the calculation
  • New interaction diagram with interactive graphic for N, M, and M + N from cross-section design incl. output of the secant and tangent stiffness
  • Design of the defined reinforcement in the ultimate limit state and serviceability limit state incl. graphical output of the design ratio for the respective component
  • Automatic check of the defined reinforcement with regard to the construction or general reinforcement rules for reinforced member and surface components
  • Cross-section design optionally with net values of the concrete section
  • Design according to the Russian standard SP 63.13330
Activating Add-on "Optimization & Costs / CO2 Emission Estimation"

Both optimization methods have one thing in common. At the end of the process, they provide you with a list of model mutations from the stored data. Here you can find the details of the controlling optimization result and the associated value assignment of the optimization parameters. This list is organized in descending order. You can find the assumed best solution shown in the first line. For this, the optimization result with its determined value assignment is closest to the optimization criterion. All add-on results have a utilization < 1. Furthermore, once the analysis is completed, the program will adjust the value assignment to that of the optimal solution for the optimization parameters in the global parameter list.

In the material dialog boxes, you can find the additional tabs "Cost Estimation" and "Estimation of CO2 Emissions". They show you the individual estimated sums of the assigned members, surfaces, and solids per unit weight, volume, and area. Furthermore, these tabs show the total cost and emission of all assigned materials. This gives you a good overview of your project.

Graphical Display of Member Reinforcement
  • Deformation analyses of reinforced concrete surfaces without or with cracks (state II) by applying the approximation method (for example, deformation analysis according to ACI 318-19, 24.3.2.5 or EN 1992‑1‑1, Cl. 7.4.3 )
  • Tension stiffening of concrete applied between cracks
  • Optional consideration of creep and shrinkage
  • Graphical representation of results integrated in RFEM, such as deformation or sag of a flat slab
  • Clear numerical result display in the detail dialog box
  • Complete integration of results in the RFEM printout report
Serviceability Configuration

Are you looking for a deformation calculation? Check the Serviceability Configuration, where it can be activated. You can also control the consideration of long-term effects (creep and shrinkage) and tension stiffening between cracks in the dialog box above. The creep coefficient and shrinkage strain are calculated using the specified input parameters, or you can define them individually.

Furthermore, you can specify the deformation limit value individually for each structural component. The max. deformation is defined as the allowable limit value. In addition, you have to specify whether you want to use the undeformed or the deformed system for the design check.

Frequently Asked Questions (FAQ)
How do I display some results of all load cases in the printout report, but other results of selected load cases only?
Where can I find the results of the contact stress (soil pressure) for the elastic surface foundation or the member elastic foundation displayed on the screen?
How can I apply concentrated loads to a curved surface?
Does the Grasshopper plugin require a special license (for example, RS‑COM)?
Why do I get such a small amount of reinforcement for the upstand beam? The amount of reinforcement for the downstand beams is significantly larger.
How are the creep and shrinkage for columns considered in RF‑CONCRETE Members?
Customer Projects
Pedestrian and Cyclist Bridge "Herzogsteg" in Eichstätt, Germany | © Bruno Klomfar
Pedestrian and Cyclist Bridge "Herzogsteg" in Eichstätt, Germany
Front View of Office Building with V-Shaped Steel Composite Columns | © Die Tragwerker GmbH
Office Building with Integrated Visitor Center and Parking Garage in Geiselbulach, Germany
Office Building of Stadtwerke Kirchheim unter Teck, Germany (Rendering) | © MEDIA 4D GmbH
Office Building of Stadtwerke Kirchheim unter Teck, Germany
Reinforced Concrete Elevator Shaft at Montluçon Station, France (© E.T.L Structures)
Reinforced Concrete Elevator Shaft at Montluçon Station, France
Quai M, the New Concert Hall in La Roche-sur-Yon, France (© LCA Construction Bois)
New Concert Hall in La Roche-sur-Yon, France
Residential Buildings in Trieste, Italy
Residential Buildings in Trieste, Italy
Deformations of Airedale Swing Bridge in RFEM
Airedale Swing Bridge in Rodley, United Kingdom
Deformations in RFEM | © Baumruck + Oswald
AQUAtherm Indoor/Outdoor Swimming Pool in Straubing, Germany
Pedestrian Bridge "Am Freischütz" over Federal Highway 236 | © VIC Planen und Beraten GmbH | Photo: René Legrand
Freischütz Pedestrian Bridge, Germany
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