THESIS
2015
xii, 198 pages : illustrations ; 30 cm
Abstract
Due to its fragmented and multi-domain architecture, the AEC (architecture, engineering,
and construction) industry faces the issues of data transfer efficiency and data consistency
while exchanging large BIM files. In this thesis, a cloud based BIM framework, called
Social BIMCloud is presented for building design and management of lifecycle activities.
Social BIMCloud addresses the issue of data transfer efficiency by reducing the size of the
BIM files being exchanged through dynamic splitting and merging mechanisms. Data
consistency is also improved by hosting a common integrated BIM model which is updated
partially instead of generating a new BIM file for every new change, which usually leads to
data duplicity. This collaborative framework, Social BIMCloud is termed “Social”...[
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Due to its fragmented and multi-domain architecture, the AEC (architecture, engineering,
and construction) industry faces the issues of data transfer efficiency and data consistency
while exchanging large BIM files. In this thesis, a cloud based BIM framework, called
Social BIMCloud is presented for building design and management of lifecycle activities.
Social BIMCloud addresses the issue of data transfer efficiency by reducing the size of the
BIM files being exchanged through dynamic splitting and merging mechanisms. Data
consistency is also improved by hosting a common integrated BIM model which is updated
partially instead of generating a new BIM file for every new change, which usually leads to
data duplicity. This collaborative framework, Social BIMCloud is termed “Social” in
particular, as it captures and manages the formal and informal social interactions that take
place in a construction project. The methodology for capturing and managing social
interactions through Social BIMCloud has been demonstrated in this thesis by integrating it
with popular BIM software, Autodesk Revit.
Social BIMCloud provides the scope for extending and integrating it with external
planning and analysis applications in a plug-and-play manner for lifecycle integration. In
this thesis, methodologies and demonstrations have been presented for extending and
integrating Social BIMCloud for – (1) construction supply chain (CSC), (2) green building
design, and (3) construction site layout planning. For CSC integration, an ontology based
web service framework is presented. Ontologies incorporate data semantics in the
information exchanged. Therefore, the information exchanging parties, i.e. software
applications in the case of automatic information exchange, comprehend the meaning of
the information and therefore facilitate smooth flow of heterogeneous information. Two
example ontologies have developed by studying the CSC and those ontologies have been
used to enrich the data model of Social BIMCloud for accommodating and supporting CSC
integration. Popular energy simulation software were studied to design and extend the
schema of Social BIMCloud in order to integrate it with standard simulation and analysis
engines through a web service based framework. Social BIMCloud has also been extended
for managing construction logistics by integrating it with a construction site layout
planning (CSLP) engine. For this integration, the data model of Social BIMCloud has been
extended for construction schedule information like activity start date, end date and the
relation of each activity with one or more building elements and the vice versa. Finally this
thesis discusses the scope of future extensions and improvements on Social BIMCloud for
facilitating smooth flow of information in the construction industry.
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