Author "Valensas Balsevicius" posts

March 2, 2021

How to Place Grout Tubes Automatically in Precast Designs in Revit [VIDEO]

Grout tubes are used in the construction of precast concrete buildings for connecting elements like walls, tilt-up panels, beams, and columns. They’re also known as grout ducts or sleeves. The way it works is a starter bar (also known as a lap bar or dowel) is precast in one element, say, a wall panel, and then on site that dowel slides into a sleeve that was precast into, say, another panel. The sleeve – typically made of plastic or corrugated steel – is then filled with concrete to form a connection between the wall panels.

Since precast designs can contain quite a lot of grout tubes, placing them is certainly worth automating. That’s where the Smart Connections feature of our Precast Concrete BIM Solution for Revit comes in. It has options that you can configure so that grout tubes will be placed in walls automatically, reducing the amount of time you need to spend on repetitive, manual tasks.

Here’s the workflow that I would recommend. Steps are also laid out below the video.

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February 23, 2021

How to Set Up Automatic Dimensions using Smart Assemblies

With our Smart Assemblies BIM tool, you can quickly place dimensions on many kinds of Revit elements. In this post, we will look at precast walls since walls are one of the most time-consuming elements to detail. The same approach could be used for beams, columns, floors, and other elements. Smart Assemblies cuts out a ton of clicking that goes along with preparing shop drawings in Revit, reducing BIM stress and leaving you with more time for actual design work.

No matter where in the world a client may live, one thing that many of their drawings have in common is that two different dimension styles need to be used in the same view. And with Smart Assemblies that is no problem. Just use the Smart Dimensions configurations.

Let’s walk through an example to see how to set up the configurations, using a precast wall as an example.

Revit wall with tags
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February 15, 2021

New Feature added to Wall Reinforcement Revit Tool: Automated Rebar for Wall Corners

Walls can be connected in different ways, depending on the country and type of wall, whether it’s precast or cast-in-place. It takes quite a lot of time to model connection bars for walls in Revit, so we went ahead and automated it based on examples that some of our clients from seismic regions sent in.

This new update for our Wall Reinforcement tool lets you define how rebar should be placed at wall corner connections, so it eliminates the task of modelling those connections manually. One more reducer of BIM stress, right there. Use it on cast-in-situ or precast concrete walls. Here‘s a quick look at what you can do now for wall corners automatically.

Wall corner rebar modeled in Revit
Wall corner reinforcement in Revit
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February 2, 2021

How to Make a Shiplap Joint Between Precast Concrete Walls in Revit

We recently received a question from a client in Australia regarding how to use our Precast Concrete solution for Revit to model different types of wall joints, specifically shiplaps. The Smart Connections feature of Precast Concrete automates this process by placing Revit families according to the configurations set by the user.  The families can contain any solids or voids to cut the walls and get them into the right shapes or place connection elements.

In the steps below I show how to create a shiplap joint in a bunch of precast panels all at once using Smart Connections. A similar workflow could be applied to automate the creation of different types of groove joints that are often used by precasters in wall panels too. Because we’re so focused on reducing BIM stress, we make it easier for BIM modelers to get the job done simply and quickly.

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January 21, 2021

Beam Reinforcement in Revit: Stirrup Layout Rules

We recently received some questions from a client about our Beam Reinforcement tool, which is part of our Precast Concrete BIM Solution for Revit.  It has lots of options for creating main reinforcement and stirrup layouts with different settings for rebar types, hooks, shapes, covers, etc. So questions are warmly welcomed. Let’s take a look under the hood.

With the Beam Reinforcement add-on, you can define as many stirrup groups as you want. Type, shape and layout rules can vary for each of them.

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December 7, 2020

Updates for Wall Reinforcement: Automated rebar for door openings in precast concrete Revit® wall panels

We’ve been asked by a couple of clients to implement separate settings for door reinforcement in Autodesk® Revit® models, as they don’t place reinforcement around the entire perimeter of a wall. So, this update addresses exactly that. With this latest update of Wall Reinforcement, structural engineers, detailers, and drafters can place rebar around door openings based on configuration settings.

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November 30, 2020

New Smart Walls features: splitting Revit® walls in various ways

Having seen a wide variety of projects by consulting clients around the world, we are always getting new ideas about how we can further improve our Autodesk® Revit® add-ons to make it even easier for clients to create BIM models. This time we introduce three new features of our Revit plugin Smart Walls.

These improvements will be most beneficial to those architects and structural engineers who work with prefabricated walls, like precast or sandwich walls, in Revit. So, check out these updates:

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November 11, 2020

New options for shop drawings in Smart Assemblies [UPDATES]

Smart Assemblies is probably the most powerful BIM solution out there for automating assembly drawings with dimensions, schedules, legends, and placement of views on a sheet. It’s easy to understand the value it brings for Revit users as hundreds of mouse clicks are replaced by automated configuration settings.

Smart Assemblies receives several updates per year. The newest release of this application for Revit was triggered by requests from a group of clients and to meet some country-specific requirements, but it will definitely bring value to other existing clients as well as new ones.

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October 29, 2020

New Features added to Wall Reinforcement Revit® Tool: Rebar Spacing, Hooks, Edge Rebar

Some new features have been added to our Wall Reinforcement tool that‘s part of our Precast Concrete BIM Solution for Autodesk® Revit®. The tool automates modeling and placing rebar in precast walls, and the latest updates make it more flexible. Let‘s go through each of the new features.

Equal spacing option

An additional spacing option – Equal – has been made for main rebar layout and stirrup layout for openings and perimeter. If you select ‘Equal’, then the start and end layout distance will be the same and will fall somewhere between the ‘Distance’ and ‘Spacing’ values.

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October 12, 2020

Modeling Precast Concrete WALLS to LOD 400 and Getting Shop Drawings in Revit [WORKFLOW]

This is the third post in our series on LOD 400 modeling for precast concrete in Revit. Part I was about columns. Part II about beams.


Autodesk® Revit® lets you easily model walls for precast buildings. In this blog post we will go over the full workflow for modeling precast concrete walls and generating documentation using AGACAD’s Precast Concrete BIM Solution for Revit.

1. Modeling precast walls

Model precast walls with Revit using standard structural wall system families. Add doors and window families or face-based void families to have openings in the walls. In this stage, draw your walls from corner to corner, not dividing them into separate precast panels. I recommend modeling them with the correct height constraints – from Level to Level, the way they will be built. Later you can copy them into levels above with Revit’s ‘Paste Aligned to Selected Levels’ command.

Precast walls modeling
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