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RAM | STAAD | ADINA Wiki If Beam is designed for axial plus biaxial forces, ideally if axial force in beam is less than the permissible value of IS 13920 code, the member should be designed as beam only both for strength and crack width and check as per columns not be applicable
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            • Asv required for is greater than Asv provided.
            • Beam Design for Biaxial Moment
            • Beam design with axial force and Biaxial Moment - Side face reinforcement for Column detailing
            • Beam ductile link calculation as per IS 13920-2016 cl 6.3.5 (b)
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            • If Beam is designed for axial plus biaxial forces, ideally if axial force in beam is less than the permissible value of IS 13920 code, the member should be designed as beam only both for strength and crack width and check as per columns not be applicable
            • If the Beams exists at support level of the structure, can it be designed in STAAD Advanced Concrete Design (RCDC)?
            • Ignoring concrete capacity in beam design as per clause 6.3.4 of IS 13920-2016
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            • Is there a Customized curtailment provision in RCDC ?
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    If Beam is designed for axial plus biaxial forces, ideally if axial force in beam is less than the permissible value of IS 13920 code, the member should be designed as beam only both for strength and crack width and check as per columns not be applicable

    Applies To
    Product(s): STAAD Advanced Concrete Design
    Version(s): Connect Edition
    Environment:
    Area: Concrete Design
    Subarea: Beam design
    Original Author:

    SANJIB DAS

    Bentley Technical Support Group

    If Beam is designed for axial plus biaxial forces, ideally if axial force in beam is less than the permissible value given in IS 13920 code, the member should be designed as beam only both for strength and crack width and check as per columns should not be applicable.

    Whenever design for ‘Biaxial Bending’ is selected, RCDC would treat the design of beam like a column. There is possibility where axial forces would be negligible but lateral moment and shear would be high. In this case this member should be designed as a column only. Axial forces will not govern whether to details the member like beam or column.IS 13920 suggest to design/ details member like column as per clause 7 if axial stress exceeds 0.08ck. here the section will be detail as a column. shear (ductile) links should be calculated as per column. if axial stress less than 0.08 fck the section would be details as beam. All the links calculations would be as per beam. Further depending on Pu-threshold value set by user (the value is considered as compressive), RCDC will design the section with Pu, Mu-major and Mu-minor. If Pu for a given combination is less than Pu-threshold, it simply assumed, Pu = 0. This is only for ‘design combinations’ or limit state of collapse. For crack-width, there is no input for threshold value (currently there is no provision for it) of axial force. The crack-width is checked for service combinations. In this case, the values as per combinations are used for crack-width check.

    • RCDC
    • RCDC BEAM
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    • DSANJU Created by Bentley Colleague DSANJU
    • When: Wed, May 4 2022 5:22 AM
    • Revisions: 1
    • Comments: 0
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