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  1. Figure 01 - Load Type "Imposed Line Deformation"

    Imposed Line Deformation

    Imposed line deformations can be defined for supported lines in RFEM. For example, foundation settlements can be simulated with this function.

    Moreover, it is possible to define imposed rotations for lines.

  2. Figure 01 - Load Type "Imposed Line Deformation"

    Imposed Line Deformation

    Imposed line deformations can be defined for supported lines in RFEM. For example, foundation settlements can be simulated with this function.

    Moreover, it is possible to define imposed rotations for lines.

  3. Dialog box with combinations and Table 2.5 Load Combinations

    Automatic Generation of Combinations

    The “Edit Load Cases and Combinations” dialog box provides the option of the automatic generation of load and result combinations after selecting the corresponding combination expressions. In this clearly arranged dialog box, it is also possible to copy, add, or renumber load cases, for example.

    Furthermore, you can manage the load cases and combinations in Tables 2.1 – 2.6.

  4. Defining the standard in the general data of the model

    Standards

    The General Data dialog box includes a wide range of standards and the option to create combinations automatically. The following standards are available:

    •  EN 1990:2002
    •  EN 1990 + EN 1995:2004 (timber)
    •  EN 1990 + EN 1991-2; Road Bridges
    •  EN 1990 + EN 1991-3; Cranes
    •  EN 1990 + EN 1997
    • United Kingdom BS 5950-1:2000
    •  DIN 1055-100:2001-03
    •  DIN 1055-100 + DIN 1052:2004-08 (timber)
    •  DIN 1055-100 + DIN 18008 (glass)
    •  DIN 1052 (simplified) (timber)
    •  DIN 18800:1990
    •  ASCE 7-10
    •  ASCE 7-10 NDS (timber)
    •  ACI 318-14
    •  IBC 2015
    • Canada CAN/CSA S 16.1-94:1994
    • Canada NBCC:2005
    •  NBR 8681
    •  IS 800:2007
    •  SIA 260:2003
    •  SIA 260 + SIA 265:2003
    •  CTE DB-SE
    • China GB 50009-2012

    For the European standards (EC), the following National Annexes are available:

    • United Kingdom BS EN 1990/NA:2004-12 (United Kingdom)
    •  ÖNORM EN 1990:2007-02 (Austria)
    • Belarus TKP EN 1990/NA:2011 (Belarus)
    • Belgium NBN EN 1990 – ANB: 2005 (Belgium)
    • Bulgaria BDS EN 1990:2003/NA:2008 (Bulgaria)
    • Cyprus CYS EN 1990:2002 (Cyprus)
    •  CSN EN 1990/NA:2004-03 (Czech Republic)
    •  DK EN 1990/NA:2007-07 (Denmark)
    •  SFS EN 1990/NA:2005 (Finland)
    •  NF EN 1990/NA:2005/12 (France)
    •  DIN EN 1990/NA:2009-05 (Germany)
    • Greece ELOT EN 1990:2009 (Greece)
    •  UNI EN 1990/NA:2007-07 (Italy)
    •  IS EN 1990:2002/NA:2010 (Ireland)
    •  LVS EN 1990:2003 /NA:2010 (Latvia)
    • Lithuania LST EN 1990/NA:2010-11 (Lithuania)
    • Luxembourg LU  EN 1990/NA:2011-09 (Luxembourg)
    •  MS EN 1990:2010 (Malaysia)
    •  NEN EN 1990/NA:2006 (Netherlands)
    •  NS EN 1990/NA:2008 (Norway)
    •  PN EN 1990/NA:2004 (Poland)
    •  NP EN 1990:2009 (Portugal)
    • Romania SE EN 1990/NA:2006-10 (Romania)
    •  SS EN 1990:2008 (Singapore)
    •  STN EN 1990/NA:2009-08 (Slovakia)
    •  SIST EN 1990: 2004/A1:2005 (Slovenia)
    •  UNE EN 1990 2003 (Spain)
    •  SS EN 1990/ BFS 2010:28 (Sweden)
  5. Determination of member inclination

    Various Load Types

    There are various load types available for member and surface loads (force, moment, temperature, precamber, and others). Member loads can be assigned to members, sets of members, and member lists. In the case of imperfections, inclination and precamber can be determined according to Eurocode or the American standard ANSI/AISC 360.

  6. Assigning action types to load cases

    Load Cases / Action Types

    In the "Edit Load Cases and Combinations" dialog box, you can create and edit load cases as well as generate action, load and result combinations. It is possible to assign various action types to the individual load cases in accordance with the selected standard. If several loads have been assigned to one action type, they can act simultaneously or alternatively (for example wind from the left or right).

  7. Assigning design situations to combination rules

    Combination Expressions

    For the combination of actions in the ultimate and the serviceability limit state, you can select various design situations according to the standard (for example ULS (STR/GEO) - permanent/transient, SLS - quasi-permanent, and others). Furthermore, there is the option to integrate imperfections in the combination and to determine load cases that should not be combined with other load cases (for example construction load for roof not combined with snow load).

  8. Selecting design situation "Accidental - Snow"

    Accidental Design Situation

    The "Accidental" design situation automatically considers accidental actions such as earthquake, explosion loads, collisions, and others. When using German standards, you can select the "Accidental - Snow" design situation to consider the North German Plain automatically as well.

  9. Actions in generated action combinations

    Action Combinations

    The actions are automatically superimposed in accordance with combination expressions and then displayed as so-called "action combinations". It is possible to define which action combinations will be eventually used for the generation of load or result combinations. Based on the created action combinations, you can estimate how the combination expressions affect the number of combinations.

  10. Global calculation parameters

    Incremental Load Application

    Loads can be applied incrementally. The increment option is especially useful for calculations according to the large deformation analysis. For members, you can consider shear deformations and apply internal forces to a deformed or undeformed structural system. In addition, RFEM allows you to perform post‑critical analysis.

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