Revit 2020.1 Update – Rebar Constraints

Released on the 21st August this update proves to be very useful for those using Revit for reinforcement modeling as well as some general tools to enhance usability and deliver more productivity. As always, I will not include non-structural features and just focus on the relevant tools for this sector. In this post we will focus in on the rebar constraint tools.

Rebar to Rebar Constraints

This is possibly one of the best new features for the Revit reinforcement tools for several years. The new rebar to rebar constraints allow you to set constraints between rebar objects, in previous releases it was only possible to set constraints to element faces or covers. This new command allows for much better parametric control when bar diameters are changed or when controlling lap lengths. In the image below you can see the B1 and B2 layers for a foundation. The B1 and B2 layers are constrained to the tangent faces of the rebar, if I change the rebar diameter on the B1 layer then the B2 layer and the column starter bars will automatically move! A major improvement.

Rebar to Rebar Constraints 1

In the image below you can see the beam bottom L-bars that are positioned relative to the beam top L-bars which are constrained to the Bottom and top layers in the beam. All these members are fully constrained and ‘intelligent’ and will update when members or bar diameters change.

Rebar to Rebar Constraints 2

Intuitive rebar constraints visualisation and editing

The method that you use to set rebar constraints have been improved and made more intuitive with simple icons and tooltips. Each of these can also have keyboard shortcuts assigned. The space bar will cycle through the various rebar constraints. A blue arrow now shows the positive side of the rebar which takes the guesswork away when setting offsets.

Revit 2020.1 Rebar Constraint Icons and descriptions

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About lawrenceh

I am employed by Excitech, one of the largest Autodesk resellers in the UK, to provide training and other services such as implementation and project support to our clients. The main products I get involved with are Autodesk Revit Structure, Dynamo & Autodesk Inventor. My personal interests include aviation, engineering and walking.
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1 Response to Revit 2020.1 Update – Rebar Constraints

  1. Pingback: Revit 2020.1 Update – Rebar Constraints - Revit news

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