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NIBU: a new approach to representing and analysing interior utility networks within 3D geo-information systems

International Journal of Digital Earth 2012年第1期5卷 22-42页

作者： ihab hamzi hijazi Manfred Ehlers Sisi Zlatanova Institute for Geoinformatics and Remote SensingIGF University of OsnabrueckOsnabrueckGermany OTB Research Institute for HousingUrban and Mobility StudiesDelft University of TechnologyDelftThe Netherlands

Facility management departments’responsibilities include monitoring and maintenance of building infrastructure,such as water,gas or *** often these tasks are completed using paper maps,which make integrated analysis of networks *** to consider interior network structure and provide semantic and connectivity information supporting the required analysis operations are thus *** paper presents an approach relying on Building Information Model(BIM)as a data source for obtaining information about interior *** semantic and connectivity information of BIM is mapped onto a new model called Network for Interior Building Utilities(NIBU).NIBU is based on the semantic categorisation of utilities,and the spatial functions that have to be *** scenarios(‘maintenance operation’,‘emergency response’and‘inspection operation’)are developed to test the proposed *** model and its functions are implemented in spatial *** model is populated directly from a BIM server applying an Industrial Foundation Class(IFC)parser developed *** analysis functions are implemented to support spatial operations:trace upstream,trace downstream,find ancestors,find source and find *** investigation proves that BIM provides both the required semantics and attributes,and connectivity information that can facilitate analysis of interior utility *** provides a simple yet flexible way to manage interior network information,which can be integrated into Digital Earth.

关键词： building information model(BIM) building service system graph spatial DBMS utility network industrial foundation class(IFC)

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NIBU:An Integrated Framework for Representing the Relation Among Building Structure and Interior Utilities in Micro-Scale Environment

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Geo-Spatial Information Science 2011年第2期14卷 98-108页

作者： ihab hijazi Sisi ZLATANOVA Manfred EHLERS Institute for Geoinformatics and Remote Sensing (IGF) University of Osnabrueck OTB Research Institute for HousingUrban and Mobility Studies Delft University of Technology

This paper describes a framework for modeling interdependencies between different network systems and building *** provides an approach for the integrated analysis of interior building utilities by describing a framework to model and simulate infrastructure interdependencies and their complex *** is a graph-based spatial model that can support use cases such as providing the location and specifications of interior utilities to a technician who wants to perform a maintenance *** location could be needed for maintenance or replacement,or to investigate the result of damage to the building structure on another utility network,or to estimate the effect of different maintenance operations in different locations along utilities service *** model accounts for two important aspects:first,the relationship between interior utilities and building elements or spaces and second,the building hierarchy structure to which the utilities network is related.A proper hierarchy of the building is developed which supports the generation of human-oriented descriptions of interior utilities,where a method for partitions of large building element and spaces as well as a method to reference a network element to another building are *** connection of the different utilities network systems and buildings are generated using joints,which are based on a containment *** example is presented which shows the effectiveness of this approach for supporting maintenance operations,as well as the independences between the maintenance operation location and the other network *** paper presents the data model and explains the links with current 3D building model standards.

关键词：大楼信息模型(BIM ) 大楼服务系统实用程序网络图城市模型

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