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  1. Figure 01 - Export of Reinforcement Objects from RFEM to Revit

    Export of Reinforcement RFEM - Revit

    Surface reinforcements defined in the RF-CONCRETE Surfaces add-on module can be exported as reinforcement objects to Revit by using the direct interface.
  2. RF-CONCRETE | Features

    • Automatic import of internal forces from RFEM
    • Ultimate limit state and serviceability limit state design
    • The module extension EC2 for RFEM allows for design of reinforced concrete members according to Eurocode 2 (EN 1992‑1‑1:2004) and the following National Annexes:
      • United Kingdom NA to BS EN 1992-1-1:2004/NA:2005 (United Kingdom)
      •  ÖNORM B 1992-1-1:2011-12 (Austria)
      • Belarus TKP EN 1992-1-1:2009 (Belarus)
      • Belgium NBN EN 1992-1-1 ANB:2010 (Belgium)
      • Bulgaria BDS EN 1992-1-1:2005/NA:2011 (Bulgaria)
      • Cyprus NA to CYS EN 1992-1-1:2004/NA:2009 (Cyprus)
      •  CSN  1992-1-1/NA:2016-05 (Czech Republic)
      •  EN 1992-1-1 DK NA:2013 (Denmark)
      •  SFS EN 1992-1-1/NA:2007-10 (Finland)
      •  NF EN 1992-1-1/NA:2007-03 (France)
      •  DIN EN 1992-1-1/NA/A1:2015-12 (Germany)
      •  UNI EN 1992-1-1/NA:2007-07 (Italy)
      •  LVS EN 1992-1-1:2005/NA:2014 (Latvia)
      •  LST EN 1992-1-1:2005/NA:2011 (Lithuania)
      •  MS EN 1992-1-1:2010 (Malaysia)
      •  NEN-EN 1992-1-1+C2:2011/NB:2016 (Netherlands)
      •  NS EN 1992-1-1:2004-NA:2008 (Norway)
      •  PN EN 1992-1-1/NA:2010 (Poland)
      •  NP EN 1992-1-1/NA:2010-02 (Portugal)
      •  SR EN 1992-1-1>2004/NA:2008 (Romania)
      •  SS EN 1992-1-1/NA:2008-06 (Singapore)
      •  STN EN 1992-1-1/NA:2008-06 (Slovakia)
      •  SIST EN 1992-1-1:2005/A101:2006 (Slovenia)
      •  UNE EN 1992-1-1/NA:2013 (Spain)
      •  SS EN 1992-1-1/NA:2008 (Sweden)

    In addition to the National Annexes (NA) listed above, you can also define a specific NA, applying user‑defined limit values and parameters.
    • Flexibility due to detailed setting options for basis and extent of calculations
    • Quick and clear results output for an overview of the distribution of results immediately subsequent to the design
    • Graphical results output integrated in RFEM, for example required reinforcement
    • Clearly-arranged numerical results output displayed in tables and option to represent results graphically in the structure
    • Complete integration of data output in the RFEM printout report
  3. RF-CONCRETE Members - 1.1 General Data

    Features of RF-CONCRETE Members

    • Determination of longitudinal, shear and torsional reinforcement
    • Representation of minimum and compression reinforcement
    • Determination of neutral axis depth, concrete and steel strains
    • Design of member cross-sections affected by bending on two axes
    • Design of tapered members
    • Determination of deformation in cracked sections (state II), for example according to EN 1992‑1‑1, 7.4.3
    • Consideration of tension stiffening
    • Consideration of creep and shrinkage
    • Itemization of reasons for failed design
    • Design details for all design locations for better traceability of reinforcement determination
    • Options to optimize cross‑sections
    • Visualization of concrete cross‑section with reinforcement in 3D rendering
    • Output of complete steel schedule
    • Fire resistance design according to the simplified method (zone method) in accordance with EN 1992‑1‑2 for rectangular and circular cross‑sections
    • Optional extension of the RF‑CONCRETE Members add‑on module with a nonlinear calculation of frameworks for the ultimate and the serviceability limit state. The extension allows for design of potentially unstable structural components by means of a nonlinear calculation, or a nonlinear deformation analysis of 3D frameworks. Find more information under the product description of the RF‑CONCRETE NL add‑on module.
  4. RF-CONCRETE Surfaces - 1.1 General Data

    Features of RF-CONCRETE Surfaces

    • Free definition of two or three reinforcement layers in the ultimate limit state
    • Vectorial representation of the main stress directions of internal forces allowing optimal orientation adjustment of the third reinforcement layer to the actions
    • Design alternatives to avoid compression or shear reinforcement
    • Design of surfaces as deep beams (theory of membranes)
    • Option to define basic reinforcements for top and bottom reinforcement layer
    • Definition of designed reinforcement for serviceability limit state design
    • Results output in grid points of any selected grid
    • Optional extension of the module with nonlinear deformation analysis. The calculation is performed in RF‑CONCRETE Deflect by reducing the stiffness according to the standard, or in RF‑CONCRETE NL by the general nonlinear calculation determining the stiffness reduction in an iterative process.
    • Design with design moments at column edges
    • Itemization of reasons for failed design
    • Design details of all design locations for better traceability of reinforcement determination 
    • Export of isolines for the longitudinal reinforcement in a DXF file for further use in CAD programs as a basis for reinforcement drawings
  5. Detailed settings for analysis in RF-CONCRETE Surfaces

    RF-CONCRETE | Input

    In order to facilitate the data input, there are surfaces, members, sets of members, materials, surface thicknesses, and cross-sections preset in RFEM. It is possible to select the elements graphically using the [Select] function. The program provides access to the global material and cross-section libraries. Load cases, load combinations, and result combinations can be combined in various design cases. You can enter all geometric and standard-specific reinforcement settings for the reinforced concrete design in a segmented window. The geometry entries in both RF‑CONCRETE modules differ from each other.

    • In the RF‑CONCRETE Members add‑on module, you can define for example the curtailment of rebars, the number of layers, the cutting ability of links, and the anchorage type. For the fire resistance design of reinforced concrete members, you have to define the fire resistance class, the fire‑related material properties as well as the cross‑section sides exposed to fire.
    • In the RF‑CONCRETE Surfaces add‑on module, it is necessary to specify for example the concrete cover, the reinforcement direction, the minimum and the maximum reinforcement, the basic reinforcement to be applied or the designed longitudinal reinforcement as well as the rebar diameter.

    Surfaces or members can be summarized in special "reinforcement groups", each defined by different design parameters. In this way, it is possible to efficiently calculate alternative designs with different boundary conditions or modified cross‑sections.

  6. RF-CONCRETE Surfaces - Graphical results output for complete structural model

    RF-CONCRETE | Results

    After the calculation, the module shows clearly arranged tables listing the required reinforcement and the results of the serviceability limit state design. In addition, all intermediate values are displayed as well.

    The results of RF‑CONCRETE Members are displayed as result diagrams of each member. The reinforcement concepts of the longitudinal and the shear reinforcement including sketches are documented in accordance with current practice. It is possible to edit the reinforcement proposal and to adjust for example the number of members and the anchorage. The modifications will be updated automatically. A concrete cross‑section including reinforcement can be visualized in a 3D rendering. In this way, the program provides an optimal documentation option to create reinforcement drawings including steel schedule.

    The result of RF‑CONCRETE Surfaces can be displayed graphically as isolines, isosurfaces, or numeric values. It is possible to sort the longitudinal reinforcement display by required reinforcement, required additional reinforcement, designed basic or additional reinforcement, and by designed total reinforcement. The isolines of the longitudinal reinforcement can be exported as a DXF file for further use in CAD programs as a basis for reinforcement drawings.

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