Expansion of IFC Data Model to Kinematic Sensor at IJUP2012 by Bruno Ferreira

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The instrumentation and structural health monitoring has gained a growing importance in the construction industry. However, the resulting data has not been properly handled. In order to correct this factor, is intended to integrate the data collected in information management systems such as BIM. The BIM is based on the idea of integrating all information related to a building or project in a single digital model. This information can be associated prior or during construction of the building or even during its lifetime. These tools have developed rapidly, increasing their chances of information management.
The purpose of this study is the information management from the instrumentation and structural health monitoring. As to achieve this goal, it was studied a standard construction model, with the use of a common language. This model is referred as IFC. In this work is performed an assessment of the applicability of the IFC model, as a format for information exchange between sensors and BIM. It was proposed the extension of the model based on kinematic sensors, since it only includes environmental sensors.
Based on the model above, and using BIM programs, there was a real case study concerning the building of the ―Nave do INEGI‖, using data from actual measurements. It was conducted a three-dimensional model of the building, studied the interoperability between various BIM tools and compatible properties were created within the IFC model capable of delivering the information recorded by the sensors.
Thus, it was studied the issue of the instrumentation and structural health monitoring framed on the BIM software on a scale closer to the real, where the adversities and the problems substantially differ from those presented theoretically. The results suggest that the management of information from the BIM with the data obtained by the sensors becomes achievable.

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Expansion of IFC Data Model to Kinematic Sensor at IJUP2012 by Bruno Ferreira

  1. 1. LOGO IJUP’12 February 2012 Expansion of IFC Data Model to Kinematic Sensors Bruno Ferreira João Rio João Poças Martins
  2. 2. Instrumentation and Structural Health Monitoring
  3. 3. Structural Health Monitoring Data acquisition Data communication Data treatment StructureSensors Data storageData retrieval Diagnosis
  4. 4. Motivation, Scope Problem to solve Better use Actuation in buildings Information management
  5. 5. Interoperability Software ASoftware F Software B Software CSoftware D Software E
  6. 6. Industry Foundation Classes (IFC) Geometry Geometry was designed to support the exchange of simple parametric models between systems, like wall systems and other shapes. Properties Properties are a set of attributes to describe an object about the constitution / functionality. Relations Relations link one object with another. Can be between objects and / or classes.
  7. 7. Industry Foundation Classes (IFC)
  8. 8. Proposed approach Concepts that extend the IFC model Concepts that exist in the IFC Model New concepts IFC Model
  9. 9. Proposed approach Existence of environmental sensors Introduction of kinematic sensors Creation of properties
  10. 10. Case Study BIM Modeling application Visualizer Structural analysis Data Base
  11. 11. Case Study
  12. 12. Case Study
  13. 13. Case Study PropertySet Name Pset_SensorTypeVibratingWireSensor Applicable Entities IfcSensorType Applicable Type Value IfcSensorType/VIBRATINGWIRESENSOR Definition Definition: A device that detects vibrations for the extensions calculation. Name Property Type Data Type Definition SetPointFrequen ce IfcPropertyListValue IfcFrequenceMeasure/ FREQUENCEUNIT The frequence value to be sensed. Use IfcPropertyBoundedValue.SetP ointValue to set the set point value. SetPointTempera ture IfcPropertyListValue IfcThermodynamicTemper atureMeasure/ THERMODYNAMICTEMP ERATUREUNIT The temperature value to be sensed. Use IfcPropertyBoundedValue.SetP ointValue to set the set point value. SetDateTime IfcPropertyListValue IfcDateTime The date and time for each measured value. SetRelations IfcLabel IfcText Relation between the sensor and the building element in study.
  14. 14. Case Study Vídeo
  15. 15. Conclusions  It is possible and relevant the introduction of data information obtained from SHM into a BIM model, through the current IFC configuration;  The definition of a robust model does not guarantee the success for the exchange of information on construction industry;  The standard models should be complemented by partial models or extensions to the model itself, for more specific contexts;
  16. 16. Conclusions  The IFC model is an adequate support for interoperability, but still needs to be complemented;  The tested applications were not able to handle the entire shaping conveniently.
  17. 17. LOGO Bruno Ferreira João Rio João Poças Martins IJUP’12 February 2012