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Tekla Structural Designer 2016i Service Pack 1

Last updated November 20, 2017 by Tekla Structural Designer Development Team tekla-product-development-tsd-team-ug@trimble.com

Tekla Structural Designer 2016i Service Pack 1

This service pack should be installed to ensure optimum function of the program. Several improvements and issues have been resolved including:

Issues with Associated Bulletins

  • Flat Slab Punching Checks - Head Codes BS and Eurocode (All Countries/ Regions) - this issue applies only to slabs with none or mesh reinforcement (which is unusual for typical flat slabs, but not impossible). In these circumstances the calculation of the tension reinforcement ratio ⍴ could be incorrect and too high in one direction. Where this occurred it would produce an unconservative result for the slab shear capacity without reinforcement. See Product Bulletin PBTSD-1610-1 (12930).

Enhancements & Fixes

General & Modelling

  • File Opening - “File cannot be read” error - a number of issues have been addressed which could prevent files created in previous versions from being opened in 2016i, or being re-opened in 2016i once saved in this version:
    • Where a file has been corrupted or truncated during a prior save (due to a disc or network error), a new opening process attempts to recover the file. Where recovery is possible, the user is prompted to save the core of the file to a new filename.
    • An issue occurred with some models which contained concrete beams or columns where changes were made that affected the number of spans or stacks. This could result in missing data for reinforcement which caused a problem on re-opening the model. 
    • Some models created in previous versions contained missing or unexpected data in a number of areas that could prevent opening. The processing routines which run during file opening have been enhanced to cope with this circumstance.
  • Concrete Beams - where the beam was in a duplicate level, a program error occurred when changing the Characteristic from “beam” to “analysis element” (51919).
  • FE Concrete Walls - wall mesh beams - in some circumstances the wall mesh beams at the top of a wall were not correctly subdivided to connect to all the nodes of the wall FE mesh. Odd/ unexpected 2D contour forces would generally result where the issue occurred making it apparent. Tolerances within the meshing process are improved to cope with such circumstances (12811, 12879).
  • Model Geometry - in some circumstances editing the geometry of elements - by moving one or both end nodes - could cause a program error (12880).
  • Portal Frames - when creating a Portal Frame, a program error would occur if the underside of haunch (“U/S Haunch”) level option was selected (51932).
  • View Configurations - Wind Views - a program error would occur when a saved view configuration created in a Wind View was opened.  In addition such views did not display correctly when included in reports (12909, 12916).

     

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  • Wind Wizard - Head Code EC - when editing the Standard roof zones and setting Zone D for a flat roof, the Wind Wizard incorrectly transposed the -ve and +ve CPe values, i.e. for the -ve CPe it displayed and used a value of +0.2 and for +ve CPe showed a value of -0.2. Where it occurred the issue was clearly apparent and could be worked around by manually editing the CPe values (12810).

Validation

  • Model Geometry - Slab/Mat Patches - a program error could occur when messages for patches with Invalid Geometry - potentially arising from model edits - were double-clicked in the Validation Status tree (51929).
  • Design Groups - Concrete Beams - a validation error could occur following the addition of a duplicate of a floor containing concrete beams.  This was caused by the new beams not being correctly placed in the same groups as existing beams.  The issue could be resolved by re-grouping the members - this is no longer necessary  (51910).

Analysis & Results

  • Sway Deflections - deflection values can now be displayed on the sway deflection diagram by activating the “Deflection” button in the Text group of the Results Ribbon is activated (51851).
  • Global Analysis Results -
    • In some circumstances a program error could occur when viewing 1D deflection results (12933).
    • 2D Wall forces - Envelopes - the values given in the cursor tooltip (displayed when the the cursor is moved over a result diagram) for combination envelopes were incorrect.  Only values displayed in the tooltip were affected, not results for individual combinations, nor envelope values shown on the results diagram or in reports tables (12950).
  • RSA Analysis - following a Design (RSA), vibration mode shapes were not displayed when the RSA Seismic analysis type was selected for viewing mode shape results for the Seismic Inertia combination. This issue only occurred in Tekla Structural Designer 2016i (51942).
  • 2D Results - Semi-rigid Diaphragm Elements - force contour diagrams are now available for in-plane forces (Fx , Fy and Fxy) for these elements in the Results View.  Note that to see these it is necessary to activate their visibility via Scene Content > 2D Elements > Semi-rigids.  These results are also available numerically via the Report items Analysis > FE Results by Node and FE Results by Shell (51884).

Design

General

  • Wind Drift Check - the check conducted for wind combinations incorrectly used results for Strength combination factors rather than Service factors producing an over-conservative result for the check (12855, 12867, 12898).
  • Concrete Beam Design - sometimes the clear length of a beam span would be negative if a wall was connected along the entire beam span length (51853).
  • Concrete Wall Design - the formula displayed in the design details for transverse wall reinforcement area provided was incorrect when mesh was used. The issue was only present in the displayed formula and had no effect on the calculated values or design results (51927).
  • Isolated Foundations - design would give an error when the P-delta “K_amp” amplified forces analysis method was used (12905, 12946).
  • Slab Design - Punching Checks:
    • In some circumstances a warning message was incorrectly issued stating the “Loaded perimeter and basic control perimeter overlap” (12887).
    • Where a u0 - user reduction was applied to a punching check, the reduction in the perimeter length was applied twice giving an over-conservative result (12889).
  • Steel Beam Design - Cold Formed - where a Warning Status was given due to forces on the beam exceeding the ignorable values (Design > Options > Design Forces > Ignore Forces Below), no information regarding this was given in the design details (12806).
  • Composite Beams - additional tolerance has been added to ignore extremely small negative (uplift) moments which could prevent a design being performed (12823, 12873).
  • Slab Design:
    • In some circumstances the slab check and design processes could fail resulting in an ‘Unknown’ design status after running the Design Slabs process (12986).
    • When a two-way slab that had already been designed at least once was changed to one-way, and the design or check slabs process was run again, the prior results for the original two-way setting were still incorrectly displayed, potentially giving the impression the slab had been designed as one-way.  One-way slabs are not designed in the program.  Furthermore, for one-way slabs; the ‘Check Panel’ option was shown in the context menu (displayed when a panel is right-clicked over); the post-design status was given as ‘Unknown’ rather than ‘Beyond Scope’.  These issues are now addressed; the ‘Check Panel’ option is removed from the context menu; a ‘Beyond Scope’ post-design status is assigned to one-way slabs always, including in the scenario described above for panels previously set to and designed as two-way (12970).
  • Gravity Design - the “Fix column nodes horizontally” setting (Home > Settings > Design Options > Gravity Design) could have unwanted effects for models including Portal Frames since (by applying fixed lateral supports to the tops of Portal Frame columns) the setting prevented spread of the frames under gravity loads and hence portal action.  Lateral supports are no longer applied to columns of Portal Frames when this setting is on (52006).  
    • Note that this only applies to Portal Frame objects modelled using the automated “Portal Frame” command on the Model ribbon, not to those modelled ‘manually’ using regular steel beams and columns.  For such models the user should turn off the “Fix column nodes horizontally” setting.
  • Concrete Walls - an error which caused the program to close would occur when the Interactive Design dialog was opened for walls which did not have valid reinforcement grades set.  A warning is now issued in this circumstance and the Interactive Design dialog is closed (51938).

 

Head Code Australia

  • Steel Member Design - the following issues are fixed:
    • Columns subject to minor axis eccentricity moments only plus axial load were assigned a Fail status following Steel Design (Gravity) or (Static) but this changed to a pass when an individual check was performed (12890).
    • In these same circumstances, the correct Combined Actions - Member Capacity check (axial compression + minor bending) was not performed (51964).
    • In some circumstances the calculation of the LTB alpha_m factor gave an error during the LTB check (51965).

Head Code BS

  • Pile Cap Design - where Shear Capacity was identified as the critical check, the critical direction was not correctly indicated in the design details by the “!” symbol (51872).

Head Code EC

  • Concrete Wall Design - the link spacing check for walls was being carried out despite links not being used (12805).
  • Steel Design - in some circumstances for a member subject to axial compression and bending, the web of an I section could be incorrectly classified as Class 4 instead of Class 3 (51978).

Head Code US

  • Seismic Design
    • Review View - after a Design an Error Status could incorrectly be displayed for steel columns which supported concrete beams (51870).
    • Steel Beams - where both axial and major axis moment forces were below the ignorable limits the Seismic Classification could be incorrectly given as Non Compact rather than Compact (51877). 
  • Tabular Data - Drift and Seismic Drift - to aid assessment of drift values they are now shown in decimal format rather than fractions e.g. “1.6“ (in) rather than “1 9/16” (12778).

Reports & Drawings

  • Slab/Mat Detail Drawing - rarely some arrangements of slab patch geometry and reinforcement could cause an error during drawing generation (12892).
  • Wind Drift - the wind drift report formatting has been improved to cope with longer names of wind load cases and combinations, where previously this could cause the report table text and lines to overlap (12872).
  • Material list - slab reinforcement - when slab patch properties were set to Consider Strips in both X & Y directions, but reinforcement was selected for only one direction, the material list incorrectly included data for bars (using the default bar size setting) for the direction that had not been selected (12924).
  • Member Detail Drawings - concrete beams - the beam section size is now included together with the beam reference in the beam elevation view (10806).
  • Report - Member Design Details - Cold formed Beam Design - no design details were given in the report for this item (12806).

Notes:

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

32bit (x86) and 64bit (x64) Versions

Service packs are available for both 32bit (x86) and 64bit (x64) versions of Tekla Structural Designer. Before downloading, check which version you have currently installed via the Information button at the top right of the Tekla Structural Designer window, then download the appropriate service pack

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