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Software > Autodesk® Revit® Structure
 Works the Way You Think
Gain the efficiency, accuracy, and design flexibility of building information modeling (BIM) and protect your investment in software, trained personnel, and design data with the Autodesk® AutoCAD® Revit® Series—Structure 3 software. By combining industry-leading AutoCAD® 2007 software with state-of-the-art Autodesk® Revit® Structure 3 design software, AutoCAD Revit Series—Structure 3 gives you the flexibility to move to BIM at your own pace. Revit Structure 3 integrates a physical model—for layout, coordination, and documentation—with an independently editable analytical model. Bidirectional linking to industry-leading analysis software enables analysis results to update your model accurately, while proven parametric change management technology coordinates those updates everywhere in your design and documentation.
Key Features:
Seamless Coordination
Because Autodesk Revit Structure uses building information modeling, every view, drawing sheet, and schedule is a direct representation of the same underlying database. As you and your team work on the same project, making inevitable and necessary changes to the building structure, parametric change technology in Revit Structure
automatically coordinates changes across all other representations of the project—model views, drawing sheets, schedules, sections, plans, details. Your design and documentation stay coordinated, consistent, and complete.
Bidirectional Associativity
Your building model and views are part of the same information system, so that all changes to any part of the structure need to be made only once. It also provides consistency throughout the documentation sets. For example, if a sheet scale changes, all annotations and graphics are properly resized. If the section for any structural
member changes, all the views where this element is displayed are updated automatically, including name tags and other labels referring to the element properties.
Improved Workflow
DWG/DXF/DGN Support
Autodesk Revit Structure imports, exports, and links your data with the industry’s best DWG compatibility. Native support for DWG, DXF™, and DGN™ formats assures fully compatible data exchange. Revit Structure supports the traditional workflow where structural modeling starts with 2D DWG fi les provided by the architect. It includes timesaving features such as creation of structural walls by directly clicking DWG lines
instead of tracing over them. With Revit Structure, engineers can create structural parametric grid lines by selecting existing DWG lines. Once the construction documents are fi nalized, the drawings can be sent to the architect for review as DWG files.
Link with Autodesk Architectural Desktop
Autodesk Revit Structure also supports the workflow in which structural modeling starts with 3D Autodesk® Architectural Desktop models. In this case, engineers can import DWG building objects into Revit Structure for visualization of the 3D building model in any view, without having to import individual plan views and elevations one by one. In imported models, you can query object properties such as composite walls, material
properties, and dimensions of structural beams and columns. Structural engineers working with architects using Autodesk Architectural Desktop can improve design coordination by exporting the Autodesk Revit Structure model to Architectural Desktop.
The architect can then review the structural objects directly in Architectural Desktop, as true Architectural Desktop objects.
Integrated modeling for
structural analysis and
construction documentation.
Link with Autodesk Revit Building
Engineers working with architects using Autodesk Revit Building can take full advantage of building information modeling and share the same underlying building database. Creation of the structural model is much faster with integrated Revit platform tools, for example, defi ning structural columns by clicking architectural columns. By importing the architectural Revit Building model into Revit Structure, the engineer can perform interference checking between structural and architectural objects. And with coordination
views, problems and confl icts such as structural bracing in the windows and a structural column exceeding its architectural enclosure are instantly detected before the drawings are sent to the construction site. If engineers work with in-house architects using
Autodesk Revit Building, workfl ow is significantly improved by simultaneously sharing the same building model through worksets. Using the coordination monitor feature, engineers and architects not only share the same design but get electronic notification of any changes made during the design process. The result is synchronized workflow and coordinated construction documents. Finally, all structural drawings, details, and
schedules are directly available on the Revit platform for the architect to review.
Project Browser
The project browser reduces the time needed to manage and navigate the various views, families, schedules, and sheets in the project. Reorganize the project browser’s Views and Sheets sections to match your desired project organization. Auto Dimensioning
As each new element is created, Autodesk Revit Structure applies temporary dimensions to the element in reference to adjacent objects or gridlines. Users can manually select the reference points. With this feature, engineers can modify the position and geometry of an element simply by typing a new number.
Structural Design Tools
Autodesk Revit Structure has a full set of tools for structural design of joist systems, beams, dynamic open web joist libraries, intelligent wall families, and so forth.
Parametric Components
No programming language or coding is required to use Parametric Components, also known as families. The family defi nition contains all the data to graphically represent an element in 2D and 3D at various levels of detail. The term family describes a powerful concept to help manage your data and make changes easier. It refers to an element’s ability to have multiple types defined within it, each of a different size and
shape. Changes to a family or type definition ripple through the project and are automatically refl ected in every instance of that family or type in the project. This keeps everything coordinated and saves you the time and effort of manually tracking down components to update. Families are saved in a master database and can be conveniently loaded into new projects. Create families inside other families, such as a
“bolts” family inside a “steel plate connections” family.
Family Editor
The Family Editor is a graphical editing mode that enables you to create families to include in your project. Use this tool to easily create or customize just about any structural element or annotation type. You can create families in two ways: in advance and in place. Both methods use the same toolset. The primary difference is that with inplace creation you see the family in the context of your building as you create it. Usually, in-place families are project-specifi c and are not intended for reuse in other projects.
Groups
Groups allow parametric modular design and are used to create repetitive units. Create a group by selecting several related elements. For example, select the rebars in a reinforced concrete beam for reuse in other views. Or create a group of structural beam systems for reuse on different fl oors. Or group a part of upper and lower chords
with diagonals for reuse in new trusses.
Design Options
With Autodesk Revit Structure, you stay focused on structural engineering. Encourage and explore design changes. Develop and study multiple simultaneous design alternatives to make key design decisions. Easily present multiple schematic designs to your clients. Each option can be substituted into the model for visualization,
quantifi cation, and other analyses to help make informed decisions.
Interference Check
This option enables you to set parameters to scan your model for confl icts between structural elements. For example, you can make sure that columns do not interfere with shear walls.
A Single Model for Analysis and Construction Drawings
Autodesk Revit Structure concurrently delivers a structural model of the building as well as multiple fully associated analytical models of the same building, including multiple materials (steel, precast and cast-in-place concrete, wood, and so forth). The physical model drives the construction documentation. Engineers and architects use it for coordination purposes such as interference checking. The analytical models contain
information that can be used in several leading third-party analysis applications.
The analytical models can be the entire building model or just one wing of the building or even just one structural frame. The analysis programs then return information that dynamically updates the entire physical model and therefore the documentation. This capability eliminates much of the redundant work done by structural engineers
in modeling and analyzing building frames using many different applications.
Tight Integration with Leading Analysis Software
The Autodesk Revit Structure analytical models can be edited; add loads and member
releases, change material properties, and more, before linking to structural analysis packages. Software partners who have already linked their applications to Revit Structure with the Revit platform application programming interface (API)
include the following:
Computers and Structures, Inc. (ETABS)
RISA Technologies (RISA-3D)
RoboBAT/ISS Inc. (ROBOT Millennium)
Once the engineer accepts the analysis results from these third-party applications, the building model and documentation set update automatically. If, for example, structural members need to be resized, the software provides consistency and accuracy between the updated building model and the fi nal drawings. Engineers with in-house applications or spreadsheets can link the analytical model created in Autodesk Revit Structure to their structural tools using the API (VB, C++, Fortran).
Higher-Quality Construction Documents
Autodesk Revit Structure has a full set of dedicated tools to help you deliver more-complete and higher-quality structural drawings, such as setback controls, brace controls, and column-grid attachments.
Automatic Sections and Elevations
Creating sections and elevations in Autodesk Revit Structure is simple compared to traditional methods. Because views are just a different representation of the entire building model, you get instant cuts throughout your structure. Change them any time you want so you can work in the most appropriate view. And when the construction documents are ready to print, save time by hiding section tags and elevation
symbols for the views that are not placed onto any drawing sheet.
Automatic Drawing Sheet References
This functionality helps ensure that no section, elevation, or callout references the wrong drawing or sheet and that all data and graphics, details, schedules, drawings, and sheets in the drawing set are current and coordinated.
Details
Autodesk Revit Structure allows several levels of details from callouts to typical details and to specifi c ones. Designers can import DWG details from AutoCAD and link them into Revit Structure using the view management system to keep the views coordinated. Create views of the model and add 2D parametric components such as anchor bolts in footings, fasteners, welded symbols, plates, rebars, annotations such as text,
dimensions, and so forth. Also generate 3D details from the model such as 3D rebars in concrete elements, 3D steel connections, and so forth. Building component legends are made up of components such as walls, slabs, and so forth. Components that are placed on a legend are a representation of what that component looks like, but not an additional instance of that component in the building model. Therefore, building
components that appear on a legend are not added to the total instances of that component listed on a schedule.
Revision Tools
Autodesk Revit Structure includes a comprehensive revision mechanism. Revision clouds provide a way to insert bubble changes on construction documents and are associated to a revision number, for increased effi ciency when tagging. Revision numbering can be either projectwide or sheet specifi c. Revisions used on a sheet are displayed in a revision schedule on the title block. A comprehensive revision table lists all the changes
made, by team member and date, so you can better manage changes and track documents.
Collaboration Within the Structural
Design Team -- Worksharing
Worksharing distributes the power of the Autodesk Revit Structure parametric building
modeling environment across a project team sharing the same network. Worksharing provides a complete range of collaboration modes:
• On-the-fly, simultaneous access to the shared model
• Formal division of the project into discrete shared units
• Complete separation of project elements or systems into individually managed linked models
Worksharing enables the team to choose the best way to collaborate and interact based on workfl ow and project requirements.
Multiuser Worksets
Worksets enable multiple team members to work together on the same model, while their work is fully coordinated. The Element Borrowing feature improves work sharing with on-the-fl y access to elements across worksets by reducing editing confl icts in multiuser work teams.
Symbols
The library of structural symbols includes moment frame connections for beams, plate and splices for columns, brace representation in plan view, welded symbols, and more.
Schedules
Save time by creating schedules on demand. Schedule features include sorting, filtering,
grouping, counting, as well as user-defi ned formulas. Graphical tools allow splitting the
schedule table once it is placed onto a drawing sheet. Split sections of the schedule table are associative; if you extend a section, the other section shortens accordingly. Schedules are just another representation of the same building model. Select design elements via schedule views. Change a schedule, and the model updates automatically. Graphical schedules are available for columns.
Legends
Use the legend view to create symbol legends for a project. Place a single legend view on many sheets. Legends describe the building components and annotations used in your project and consist of two main types: annotation legends and building component legends. Annotation legends are made up of section markers and tags, for example. They are often referred to as symbol legends on construction documents.
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