"Open BIM Construction Systems" is a tool to define the technical features of the construction systems that make up the envelope and internal partitioning of buildings.
"Open BIM Construction Systems" is integrated into the Open BIM workflow via the BIMserver.center platform.
Open BIM Construction Systems allows users to indicate the following properties of the construction solutions of the project:
The toolbar of Open BIM Construction Systems if divided into two tabs:
Using the "BIM model" option of the "Design" toolbar, users can enter the typologies of the construction systems that are going to be used in the project. These are grouped based on the following classification:
The general properties of each construction system can be indicated using the "Description" and "Construction characteristics" fields. Furthermore, for elements made up of several layers, the application allows users to specify their material properties.
Each layer has a description and a group of parameters related to its physical properties such as its thickness and density. It is also possible to indicate whether there is an elastic seal along the perimeter of the layer. Users can also, optionally, enter values to define its thermal properties.
To represent the system in the 3D view and in the justification reports, a colour can be indicated for the complete system and a colour and mesh for each layer.
All the information of a construction system or any of its layers can be exported to a file to be able to use it in multiple projects.
The application includes, by default, materials for the layers based on standards and other official documents, with which users can define their construction systems.
Open BIM Construction Systems integrates the construction elements that have been defined in the architectural model of the BIM project into the application. Users can establish a link between the elements and the construction systems that have already been defined. This way, the selected systems can be displayed in the 3D view and the application will inform users of any possible issues such as a difference between the total thickness of the construction system compared to that of the associated architectural element.
Thermal bridges are areas of the thermal envelope of the building where the construction uniformity varies (changes in the thickness of walls, in the materials used, penetration of construction elements with different conductivity, etc.). These areas have a lower thermal resistance than that of the rest of the envelope and therefore represent an increase in heat loss.
Using Open BIM Construction Systems, users have the possibility to enter thermal breaks in floor slabs. This way, the continuity of the insulation in the building is ensured at the bridges.
Thermal breaks with different linear thermal transmittance values can be defined to place them at thermal bridges of the same type.
Open BIM Construction Systems is an application that is integrated into the Open BIM workflow. This integration is carried out using open format information interchange files with a previously defined BIM model.
More information on the Open BIM workflow that is proposed by CYPE can be found on the Open BIM Technology in CYPE programs webpage.
Once the construction systems have been defined, Open BIM Construction Systems automatically generates the following justification reports of the project:
These documents can be printed directly from the program or exported to different formats (TXT, HTML, RTF, DOCX, PDF).
Open BIM Construction Systems generates three standard gLTF format files that correspond to the three 3D views of the elements that have been defined in the application.
The components of the gLTF file contain additional information that can be displayed in the viewer of the BIMserver.center platform or in other Open BIM applications that are able to read this format.
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