Ömer AKIN, Burak MERT, Onur EROĞLU, Murat ARSLAN, Dursun Zafer ŞEKER, Hande DEMİREL

Yapı Bilgi Modellerinde Mekansal Verilerin Rolü

Bilgi teknolojilerindeki gelişmeler inşaat sektörünü hızlı şekilde değiştirmekte, ulaştırma altyapılarının,

Anahtar Kelimeler:

Bilgi, mekansal, modelleme, veri, yapı

The Role of Spatial Data in Building Information Modelling

Rapid developments in Information Technologies (IT) changes and challenges the constructionsector, where each stage of the life-cycle namely planning, design, construction, operation and management istransformed. This new era, Building Information Modeling (BIM), integrates data, business functions and supportsthe decision making process through the whole life-cycle that in return increases the performance very significantly.This was hardly achieved previously. In general, the availability of only the two dimensional drawings of varioussections of the construction model, the lack of three dimensional final form, the inability to detect the changes thatmight have occurred over time, and not keeping the attributes belonging to building elements in digital environmentcauses devastating performance loss. BIM has proven to be incredibly effective to overcome such challenges andnow a mandatory standard for many countries. There are recent BIM examples in Turkey as well. The approachand core model of BIM is spatial, hence data acquisition, modelling, analyzing techniques of Spatial InformationScience are vastly used. Hence, in order to highlight the role of spatial information science in BIM, all phasesincluding data acquisition, modelling, analyses and visualization is performed for some elements of a Facultyand results are discussed within this study. In order to model the current status of the construction element, laserscanning technologies are used, where three dimensional point clouds are achieved. The same object was measuredin 2006 via geodetic techniques that enables to compare changes due to time. Hence, generated BIM models arecompared in order to detect the revision of the construction element. In order to automatize the revision process, aspatial algorithm is designed and coded. Major findings, encountered problems and possible solutions are discussed.

Keywords:

Building, data, information, modelling, spatial,

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