1 anders ekholm, architectural and building design methods, school of architecture, lund university...
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
A prototype for activity modelling in CAD-programs for building design
Anders Ekholm, LTH
Consultants:Stefan Larsson and Bengt Larsson, Lasercad AB
Balàzs Piri and László Hatvani, Cadprojekt
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
From drafting-oriented to object-oriented CAD
• A prerequisite for computer integrated construction and facility management, CIC/FM, processes
• CAD has mainly been used in the later stages of building design • Both activity and building are in focus in early stages • Today’s CAD programs do not support activity information management • Externally generated development may overlook ”tacit” knowledge• Ongoing research: EDM, SEED, BAS•CAAD etc.
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
• A toolbox with a selection of objects: wall, slab, window, etc.
• The tool creates a geometry object, e.g. a vertical plate, that may represent walls and barriers.
Today’s CAD-tools
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
Additional attributes can be edited through a dialogue window• Attributes, e.g. material, thickness, height, placement och centreline • Presentation, e.g. colour, material, layer
Today’s CAD-tools
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
• Architectural programming including activity description is part of the design process
• Design of activities and building are mutually dependent
Problem solving cycle
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
• Development of a program prototype for modelling user activities in the context of CAD for building design
• The prototype shall act as a ”testbench” for usefulness analyses• Hopefully, the prototype will generate new ideas
The objectives of this project
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
Information about activities in building designInformation about activities in building designActivity information
Activity areas/AktiviteterPersonnel support/Stödverksamhet
Activity relationship informationCommunications/KommunikationMaterial flow/MaterialflödeActivity relationships/Relationer
Resource and result informationProduct and material data/Produkt- och resursinformationRoutings or manufacturing sequence data/Processinformation
Person informationPersonnel data/Personalinformation
Equipment informationFurniture, machinery and equipment data/Möbler, maskiner och utrustning
Building informationBuilding (and process) support/Byggnader och processanläggningar
Hales, L.H. 1984 Computer Aided Facilities Planning
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
Conceptual schema for the prototype program ”Activity Add-on”
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
Activity design includes the definition of the spatial properties of the activity, e.g. by using a geometry tool in the CAD program
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
The hatched area is defined as an activity through a command.Relation to other activities, duration etc., can be determined in a dialogue box
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
Schedule Group A+B Group A Group B08.00-08.15 Arrival08.15-08.45 Gathering08.45-09.30 Orienting subjects Science09.30-10.00 Imaging Computers10.00-10.15 Break10.15-11.15 Science Orienting subjects11.15-12.00 Athletics12.00-12.45 Lunch12.45-13.00 Groupwork Groupwork13.00-13.30 Computers Imaging13.30-13.45 Break13.45-14.30 Film/TV Lego/Games14.30-14.35 Leaving
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
This example of school layout design shows a floorplan and the activity tree forGroupwork in class A. Time settings show that it starts every monday at 12.45
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
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Anders Ekholm, Architectural and Building Design Methods, School of Architecture, Lund University
Activity modelling in CAD-programs for building design
Activity modelling in CAD programs for building design
Development possibilities• Activity description: basis for acquisition of premises,
existing or new• Space function programming • Visualisation of activities in buildings • Spatial layout design methods: relation matrices, area- and
volume studies, flow schemas• Analyses of versatility of building spaces: further
development of the Dutch SAR-methods• Activity libraries: Pattern language renewal• Process modelling