Tekla Tedds Engineering Library (September 2020)

Last updated September 16, 2020 by Peter Rees peter.rees@trimble.com

Tekla Tedds Engineering Library (September 2020)


UK and Asia

Updates

Precast concrete half joint design (EN1992)

[TEDDS-4842]1 - Minor refactoring of output summary table.

Precast concrete wall design (EN1992)

[TEDDS-4891]1 - Fixed wall thickness being reset when re-calculating an existing design.

RC pile cap design (EN1992/EN1997)

[TEDDS-4812]1 - Fixed pile shear check performed where check considered invalid.

RC slab design (EN1992)

[TEDDS-4741]1 - Fixed undefined variable error when increasing the number of spans.

RC wall design (EN1992)

[TEDDS-4915]1 - Fixed square root of negative number error for walls in tension.

USA

Anchor bolt design (ACI318)
Column base plate design (AISC360)
Footing analysis & design (ACI318)
RC 2D analysis & design (ACI318)
RC beam analysis & design (ACI318)
RC beam design (ACI318)
RC column design (ACI318)
RC corbel design (ACI318)
RC one way slab design (ACI318)
RC two way slab design (ACI318)
RC pile cap design (ACI318)
RC shear wall design (ACI318)
RC wall design (ACI318)
Retaining wall analysis & design (ACI318/TMS/MSJC)
Tilt-up wall panel design (ACI318)

Enhanced in accordance with ACI318 2019.

Anchor bolt design (ACI318)
Column base plate design (AISC360)

Enhanced to include a new screw anchor type: A post-installed threaded, mechanical anchor inserted into hardened concrete that transfers loads to the concrete by engagement of the hardened threads of the screw with the grooves that the threads cut into the sidewall of a predrilled hole during anchor installation.

Column base plate design (AISC360)

Enhanced to include new provisions for shear lug design to ACI318. The design of attachments with shear lugs includes a bearing strength in shear check and a Concrete breakout strength check of the shear lug.

Other updates

Anchor bolt design (ACI318)

[TEDDS-950]1 - Corrected clause reference for "Anchors are located at least 1.5h_ef from the edges. Therefore the effective embedded depth has to be limited to 4.00" to 17.4.2.3 for 2014 and 17.6.2.1.2 for 2019.

2D analysis (and all design calculations which use this calculation)

[TEDDS-4100]1 - Increased the precision of the deflection results for US units to 3 decimal places.
[TEDDS-4866]1 - Amended material for default US Timber model so that density is not an editable material source property to ensure consistency with materials defined in the user interface.
Refactored all default geometry models to ensure source data never contains embedded newline characters.

2D analysis - Truss wizard (and all design calculations which use this calculation)

[TEDDS-4914]1 - Optimised model creation to ensure that sections which are not used in the specified truss configuration are not included in the analysis model.
[TEDDS-4913]1 - When choosing the material as US Wood or Glulam automatically calculate the density value rather than requiring the user to enter a value manually in the 2D analysis user interface.
[TEDDS-4913]1 - When choosing the material as US Wood use "E" rather than "E_{true}" for the Youngs modulus.
[TEDDS-4913]1 - When choosing the material as US Glulam use "E_{x}" rather than "E_{xtrue}" for NDS 2005, 2012 and 2015.

2D analysis - Frame wizard (and all design calculations which use this calculation)

[TEDDS-4913]1 - When choosing the material as US Wood or Glulam automatically calculate the density value rather than requiring the user to enter a value manually in the 2D analysis user interface.
[TEDDS-4913]1 - When choosing the material as US Wood use "E" rather than "E_{true}" for the Youngs modulus.
[TEDDS-4913]1 - When choosing the material as US Glulam use "E_{x}" rather than "E_{xtrue}" for NDS 2005, 2012 and 2015.

Footing analysis & design (ACI318)

[TEDDS-4360]1 - Fixed defect giving slightly un-conservative results for footings designed for bearing a specified net allowable bearing pressure.
[TEDDS-1123]1 - Fixed defect causing two-way shear design preview to show a failure when design was passing.
[TEDDS-450]1 - Fixed undefined variable '_InvalidBearingMessage' message.
Fixed bug that disabled option to define custom lightweight concrete modification factor.

RC column design (ACI318)

[TEDDS-4293]1 - Fixed discrepancy between max no. bars for circular columns in the Notes and the calculation
[TEDDS-4495]1 - Fixed divided by zero error when switching between uniaxial and biaxial bending in the UI.
[TEDDS-188]1 - Fixed incorrect bar spacing in output statement.

RC one way slab design (ACI318)

[TEDDS-948]1 - Corrected calculation notes referencing v1.105
[TEDDS-892]1 - Corrected application of safety factor being applied in the output report in an inconsistent way.

RC pile cap design (ACI318)

[TEDDS-4812]1 - Fixed pile shear check performed where check considered invalid.

Wind loading (ASCE7)

[TEDDS-4794]1 - Fixed an undefined variable error when designing an arched roof with a roof angle between 7 and 27 degrees to ASCE7-10.

Wood member analysis & design (NDS)

[TEDDS-4840]1 - Fixed error "Undefined variable 'LoadSharing'" when opening the Design options dialog in the user interface.
[TEDDS-4864]1 - Fixed undefined variable 'TableCode' when changing species selected.
[TEDDS-4825]1 - Fixed column stability factor calculated incorrectly for built up columns.
[TEDDS-4824]1 - Fixed input validation error not the limiting number of timber members correctly.
[TEDDS-4815]1 - Fixed error "Datalist item does not exist" when selecting a new species of wood.

Europe

Updates

Precast concrete half joint design (EN1992)

[TEDDS-4842]1 - Minor refactoring of output summary table.

Precast concrete wall design (EN1992)

[TEDDS-4891]1 - Fixed wall thickness being reset when re-calculating an existing design.

RC pile cap design (EN1992/EN1997)

[TEDDS-4812]1 - Fixed pile shear check performed where check considered invalid.

RC slab design (EN1992)

[TEDDS-4741]1 - Fixed undefined variable error when increasing the number of spans.

RC wall design (EN1992)

[TEDDS-4915]1 - Fixed square root of negative number error for walls in tension.

Australia

No updates

Canada

No updates

Footnotes

1 This number is an internal reference number and can be quoted to your local Support Department should further information on an item be required.

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