Release notes: Tekla Structural Designer 2021 SP3

Tekla Structural Designer
2021
Tekla Structural Designer

Release notes: Tekla Structural Designer 2021 SP3

This release will upgrade your Tekla Structural Designer installation to version number 21.3.0.72 and should be installed to ensure optimum function of the program. It includes a number of new features, enhancements and issue resolutions as detailed below.

If you are upgrading from a version earlier than the immediately prior release 2021 SP2 (version 21.2.0.58 released June 2021), you can find details of requirements, enhancements and fixes for all previous releases in Tekla User Assistance (TUA) and Tekla Downloads via the links below:

Licensing & Installation

Licensing:

Installation:

  • This service pack requires Tekla Structural Designer 2021 first release (version 21.0.0.116) to be installed and will update your current version.

  • Integration:
    • Tekla Structures - if you wish to integrate with Tekla Structures you should install both this release and Tekla Structures 2021 for optimum performance.

      • Note that there have been significant improvements to integration - especially for rebar - in the 2021 release of Tekla Structures. For more information about this please see the Tekla Structures Help Topic Tekla Structural Designer Import and Export.

    • Tekla Tedds - to use Design using Tekla Tedds, for optimum performance you should install Tekla Tedds 2021. This can be obtained from Tekla Downloads.

    • Tekla Portal Frame and Connection Designer 21 - if you wish to integrate this release with Tekla Portal Frame Designer/ Tekla Connection Designer - or use these products on their own - you should install Service Pack 3 for Tekla Portal Frame Designer 21/ Tekla Connection Designer 21 which is installed at the same time as this release. The installation for this can be obtained from Tekla Downloads.

    • Autodesk Revit© - the Tekla Structural Designer Integrator for Autodesk Revit© 2022 (version 8.0) was released in June 2021. For more information about this see the Tekla Structural Designer Integrator June 2021 updates page. The installation for this is available in Tekla Downloads. If you are using Autodesk Revit© 2022, you can install this to perform BIM integration with Tekla Structural Designer.
      • Fixes and enhancements included in the Integrator for Revit© 2022 were also included in updates for the Integrators specific to the other currently supported Revit© versions which are 2019 (update version 5.04), 2020 (update version 6.03) and 2021 (update version 7.02). For more information see the Tekla Structural Designer Integrator June 2021 updates page. If you are performing BIM integration with any of these Revit© versions, we recommend you update to the latest version of the associated Integrator.
        • Please note that the Integrator for Revit© 2018 is no longer supported and so there is no update for this.

  • Previous Versions and file compatibility - files from all previous versions can be opened in this release, however note that, once saved, they cannot then be opened in a previous release. If you wish to retain this option we therefore recommend using the File > Save As… option to save a copy of the file in the previous release and retain the original.

Issues with Associated Product Bulletins

  • [TSD-9946] - Concrete Slab Design - Eurocode - incorrect deflection check maximum allowable span-to-effective-depth ratio

    This issue relates to the design of concrete slab on beams and the “deemed to satisfy” deflection check. For this the maximum allowable span-to-effective-depth, (L/d)max , was in most cases overestimated due to incorrect calculation of the magnification factor which accounts for the service stress in the tensile reinforcement. Note that this issue does not apply to flat slabs, only to slab on beam systems for which deflection is rarely a controlling concern. For more information please see Product Bulletin PBTSD-2109-01.

    • This issue is fixed in this release.

  • [TSD-10121] - Drawings - Column Schedule - potentially incorrect cross sections

    There were potential errors in the cross sections drawn on concrete column schedule drawings when a column stack started or ended at a point between construction levels. Note that this issue only applied to column schedules, not wall schedules. Column and wall detail drawings were unaffected. For more information please see Product Bulletin PBTSD-2108-1.

    • This issue is fixed in this release - proper stacks are now considered in each cell of the drawing table. Also a note has been added indicating cells where multiple stacks are represented by a single cross-section.

  • [TSD-7911] - 2D Integrated Results & Slab Patch Design - Results Strips - incorrect results after saving and re-opening

    For slabs with the “X-Direction” set to a non-zero value, analysis results of Strips would incorrectly change after saving, closing and reopening the model. The change was corrected by re-analysis. This issue could have implications for slab patch design - which uses Result Strips - for those placed over such slab items if patch check/ design was performed directly after opening a model. However, with it being usual to check/ design slabs always after a re-analysis, we expect such an issue is unlikely to have been common. For more information please see Product Bulletin PBTSD-2109-02.

    • This issue is fixed in this release - analysis results of strips for a slab with rotation angle set to a non-zero value no longer changes after saving and reopening the model.

Highlights

General & Modeling

  • A number of additional fixes which are not detailed explicitly here are also made to improve general performance and stability. An example of this is given directly below:

    • [TSD-8139] - Crash when placing column at the intersection of bearing walls

      A crash (program exception) could occur in some circumstances when creating a column at the intersection of bearing walls. This is fixed in this release.

  • [TSD-10029] - Issue saving to network location fixed

    An issue which caused an error when attempting to save a model to a network location is now fixed. This issue relates only to version 2021 SP2 (v21.2.0.58 released June 2021) in which it was introduced.

  • [TSD-10073] - Manage Property Sets enhanced with Comment box

    The Manage Property sets dialog is enhanced with a Comment box, similar to that of the Properties Window, that displays relevant/ additional information for the selected property.

    • The Comment box (and tool tip) will display pertinent information for certain properties such as in what circumstances they apply - for example for Base Plate > Concrete Base properties which are not applied where a Foundation Pad base exists (since these values are set by the Pad base) as shown below.
  • Embodied Carbon Enhancements

    • [TSD-9863] - Embodied Carbon Mass in kg for US Head Code and Customary Units

      In line with current practice in the USA, the units for Embodied Carbon Mass (per Mass and Length etc) can now be set to kg for the US Customary Unit System - as shown in the picture below - and this is now the default setting.
  • [TSD-8821] - Remember Last Used Property Set

    To improve the workflow when modeling, the last used property set for the entity being created is now remembered and automatically set in the Properties window. This is the case even when you switch from modeling one type of entity to another, then back - e.g. from a pad base to a steel column (or any other entity) then back to a pad base - the last used pad base property set is remembered. This feature was first implemented in 2021 SP2 for line elements (beams, columns, braces) - in this release this functionality is extended to the following entities:

    • [TSD-10162] - Walls (all types*)

    • [TSD-10163] - Slabs (all types*)

    • [TSD-10170] - Supports, Roof panels, Foundations, Punching Checks, Base Plates

      *Note that there is a slight limitation for Walls (and Slabs also) in that this feature functions only for types for which there is a specific button (or drop list item) on the ribbon. For example: the Model tab > Concrete group > “Meshed Wall” button applies to cast-in-place concrete meshed walls only. Thus a precast concrete meshed wall saved Property Set will still not be remembered as last used when starting modeling from the Meshed Wall button.

  • [TSD-8598] - Columns - enhanced level information in Properties Window

    As shown in the picture below, to aid modeling the Level type and elevation are now included in the Properties Window Level list for a selected column.
  • [TSD-10261] - Base Plates added to Find Command

    As shown in the picture below, the Home > Find command can now be used to locate Base Plate entities in the model via their name.
  • [TSD-10164] - Save View Configuration forSection/ Material Grade

    It is now possible to use Save View Configuration for the Review View > Show/ Alter State > Section/ Material Grade command, as shown in the picture below. This enables many useful model views to be saved and also used in Reports. For more about using View Configurations see the Help Topic Is it possible to save a customised Scene View?.
  • [TSD-10093] - Slabs - maximum cover limit revised

    The maximum allowed cover value for slabs has been increased from 100mm (US Customary 4 in) to 1000mm (US Customary 40 in). This issue relates only to release 2021 (v21.0.0.116 released March 2021), in which the previous limit was introduced, and subsequent releases.

    • This change applies to all the following concrete entities; slabs (both flat slab and slab on beams), pad bases, mat foundation, pile caps.

Interoperability

  • Cellbeam Integration
    • [TSD-9566] - New warning text and confirmation checkbox

      When exporting Westok beams to Cellbeam, the export dialog now includes additional warning text bringing the user’s attention to some settings that should be carefully considered, as shown in the picture below. A new checkbox underneath this titled “Please check the box to confirm” must be enabled to proceed with the export.

      • Warning text - “The user must carefully review that the slab arrangements, loading, restraints etc of the beam modeled in Tekla Structural Designer match the imported conditions of the beam in Cellbeam. A review of the restraints and bending moment values in both software packages as a minimum is recommended.”
    • [TSD-10295] - Supported column reactions now exported

      Loading from columns supported by a beam e.g. in a ‘transfer system’ are now exported as additional load sets where previously they were not. This applies for vertical columns only.

      • Note that for the situation of a column which is supporting a beam - i.e. the beam is continuous over the column - which will produce a negative reaction on the beam, these reactions are NOT exported. We would note that this is a much less common situation.

  • FBEAM Integration

    • [TSD-10080] - New warning text and confirmation checkbox

      When exporting FABSEC beams to FBEAM, the export dialog now includes additional warning text bringing the user’s attention to some settings that should be carefully considered, as shown in the picture below. A new checkbox underneath this titled “Please check the box to confirm” must be enabled to proceed with the export.

      • Warning text - “You are advised to carefully review that the slab arrangements, loading, restraints etc of the beam modeled in Tekla Structural Designer match the imported conditions of the beam in FBEAM. In particular a review of the moments, shears and axial forces is strongly recommended. Note that end moments are not exported.”
    • [TSD-10079] - Fixed end moments and end fixity no longer exported

      Due to the mismatch between what can be modeled in Tekla Structural Designer and in FBEAM, fixed end moments (FEMs) are unlikely to be consistent when exported. For example, only one set of wind loads is available in FBEAM and so wind left to right and wind right to left cannot be exported simultaneously. Consequently, FEMs are no longer exported. To support this change, end fixity is no longer exported also. The new warning information text detailed above also includes this information.

    • [TSD-10011] - Dead Load now exported as “Super Dead”

      FBEAM has a number of load types; “Dead”, “Super Dead”, “Live” etc. In composite design, the FBEAM “Dead” load is applied at the pre-composite stage and “Super Dead” and Live are applied post-composite. In Tekla Structural Designer however the “Dead” load type is applied post-composite, hence there is a discrepancy with FBEAM for this load type. To remedy this, Tekla Structural Designer’s “Dead” load is now exported to FBEAM's “Super Dead” load type.

    • [TSD-10295] - Supported column reactions now exported

      Loading from columns supported by a beam e.g. in a ‘transfer system’ are now exported as additional load sets where previously they were not. This applies for vertical columns only.

      • Note that for the situation of a column which is supporting a beam - i.e. the beam is continuous over the column - which will produce a negative reaction on the beam, these reactions are NOT exported. We would note that this is a much less common situation.

    • [TSD-10380] - Manually applied Slab Wet loads now exported

      When the “Calc Automatically” setting was disabled for the Slab Wet loadcase (used only for the Construction stage combination), manually applied loads included in this load case were not exported to FBEAM in previous releases. Such loads are now exported in this release.

    • [TSD-10360] - Camber set in FBEAM now imported

      Camber values directly set in Tekla Structural Designer are exported to FBEAM* however camber set or adjusted in FBEAM was not imported back to Tekla Structural Designer in previous releases. This release adds automatic import of camber from FBEAM using the “Apply as a Value” setting in Tekla Structural Designer.

      • *Note camber applied in Tekla Structural Designer using the setting ’’Apply as a proportion of deflection” is NOT exported to FBEAM since the camber value is produced by the design process which is not run for Fabsec beams within Tekla Structural Designer

  • [TSD-9808] - Export to Tekla Portal Frame Designer - issue exporting frame with patterned imposed loads

    In previous releases, for an attempted export of a portal frame containing patterned imposed loads to Portal Frame Designer, the export would fail and a message would be displayed in the Progress log "An exception caught during portal frame export to TPFD".

    • A rule has now been implemented which only prevents such portal frames from being exported if the following conditions apply; there is a patterned loadcase including point, line, patch or variable patch loads AND there are slab items in the model which are turned off for a pattern. In these circumstances the export will still fail with the following message displayed in the Progress Log; "There are patterned loadcases in the model which prevent an export to TPFD ''.

Analysis & Results

Highlights

Other Analysis & Results Enhancements and Fixes

  • [TSD-10044] - New - Analyze All RSA

    A new “Analyze All (RSA)” option is provided in the “Analyze” ribbon as shown below. This has been introduced to save time determining seismic drift, the results for which were previously only calculated during “Design RSA”. This new option runs exactly the same analysis and results processing phase as “Design RSA”, but simply stops before continuing with design - the seismic drift results are then available after running this option.
  • [TSD-10382] - Analyze All now finishes in Results View

    At customer request, the operation of the Analyze All options has been changed such that, when the analysis is complete, the Results View is now activated, rather than the Review View as previously. This applies to all the Analyze All options including the new “Analyze All (RSA)” detailed above.

Design

Head Code Australia

  • [TSD-9368] - Concrete Design to AS 3600:2018

    Design to the 2018 version of the Australian Concrete Design Code AS 3600 is added in this release. Design of all concrete entities has been thoroughly reviewed and updated accordingly to this new code version.

    • This code Year can now be selected in the Resistance Codes options of Model Settings > Design Codes for the Australia Head Code, as shown in the picture below. The 2018 year is set as the default for new models (applies to new installations by default - for existing installations, it can be set as the default via Home > Settings > Design Codes).

    • This new design capability applies to all the following concrete entities; Beams, Columns, Walls, Slabs, Foundations.

Head Code USA - Highlights

Other USA Design Enhancements and Fixes

  • [TSD-10112] - Steel Seismic Design for UBC Seismic Loading

    While it has always been possible to specify Seismic Loading to the UBC Loading code for the USA Head Code, in previous releases no specific seismic checks to AISC 341 were made for steel members in a Seismic Force Resisting System (SFRS) - the design performed was just to the ‘standard’ provisions of AISC 360. In this release the specific Seismic checks of AISC 341 of SFRS members are now performed (in addition to the ‘standard’ design) for UBC Seismic Loading in a similar manner to that for ASCE 7 Seismic Loading in previous releases.

    • All factors relevant to both the seismic analysis and design of SFRS members - such as R, 𝜴0 and - are generated by the seismic wizard for UBC Seismic Loading and used by design where applicable. An exception is the check of seismic design categories which applies only to ASCE 7 Seismic Loading

Reports and Drawings

Highlights

Other Reports and Drawings Enhancements and Fixes

  • [TSD-10340] - Reports - improved dashed lines in drawings

    Work on the scaling of dashed lines in drawings - such as those representing levels and gridlines - has improved their appearance in drawings included in reports, such as the drawings of Member Reports. Where previously such dashed lines could previously appear as solid or indistinct, they are now generally clearly dashed and more distinct.

Notes

The number in brackets before an item denotes an internal reference number. This can be quoted to your local Support Department should further information on an item be required.

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