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Martin Ebner, Ulrich Walder

E-learning in civil engineering – six years of experience at Graz university of technology

Abstract: At Graz University of Technology a lot of experience in the investigation of possibilities of using Multime-dia or Internet based applications in Higher Education has been gathered. Especially in the field of civil engineering we can look back to six years of practice in this field. In 2001 the project iVISiCE (interactive Visualizations in Civil Engineering) was started. A great number of web based animations, visualisations and interactive learning objects have been developed for visualisation and simulation of ba-sic structural concrete relations. During the last two years the buzzword Web 2.0 shocked the traditional e-Learning World. The Internet got more inter-active and usable for end-users. Phrases like “user-generated-content” and “give-and-take-culture” pervade our daily life. From this point of view the Institute of Building Informatics decided to teach using these new tools in order to gather experiences and to play a kind of pioneering role in this field. Since winter 2005 a Wiki is used to support the main lectures of the institute. Students wrote articles themselves and collaborated in the process of learning a pro-gramming language. Finally, since this semester Podcasting has started. This means that each lecture is recorded and provided to the students in various file formats. The paper gives an overview about all activities within the last six years. Beginning with animations and ending with the use of Web 2.0 applications, like Wikis or Podcasts, we have always tried to ensure high quality of our education. In the summary it is clear that these small, but regular innovations definitely helped to improve the lectures in the field of civil engineering.

Keywords: e-learning, building informatics, structural concrete, web 2.0, wiki, podcast

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Full text: content.pdf (828,760 bytes) (available to registered users only)

Series: w78:2007 (browse)
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Ru_diger SCHU_TZ, Thomas Bernoulli, Thomas Wießflecker, Ulrich Walder

A CONTEXT-ADAPTIVE BUILDING INFORMATION MODEL FOR REAL-TIME STRUCTURAL ANALYSIS IN A DISASTER MANAGEMENT SYSTEM

Abstract: In case of disasters in urban areas it is important to immediately gain precise information about the constructional environment in order to react appropriately. Information can be gathered from Computer Aided Facility Management (CAFM)-, Computer Aided Design (CAD)- and Geographic Information Systems (GIS)-Applications but their effectiveness depends on the preparation of the data for the special needs in extraordinary situations. A major challenge is the integration of real-time data from sensors in the building and from the equipment used by the rescue forces on site. At the Institute of Building Informatics a Computer Aided Disaster Management System (CADMS) is under development which is based on an enlarged ifcXML model. The system allows for the interaction of building data with static and mobile sensors, and can be used for indoor positioning of the rescue forces. A simplified, real-time adaptive static model will be used to estimate the danger of structural collapse. The rescue forces will be equipped with head-mounted displays (HMDs) and be able to interact with the application by voice. The tracking of the rescue forces is performed by inertial and magnetic sensors. These sensors are constantly calibrated according to the surrounding “intelligent” building data.

Keywords: building model, sensors, real-time structural analysis, indoor positioning, speech enabled user interface

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Full text: content.pdf (282,107 bytes) (available to registered users only)

Series: w78:2008 (browse)
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U. Walder, G. Glanzer, A. Merkel, R. Schütz, T. Wießflecker

Facility management data in disaster management

Abstract: Nowadays large real estates and infrastructural installations are managed using Computer Aided Facili-ties Management-systems (CAFM-systems). These systems are based on the graphical and alphanumerical base data of the building, as well as real-time data from master control systems and security installations. Even though a substantial number of rules and regulations exist concerning how the information is to be gathered and administered, there are still no standardised international norms in that area. Further, there are no provider-specific data and database structures on how to deal with the large amount of data, since the market is still far from consolidation and no single system has a market-dominating position. This is not a downfall in the daily routine of a facility manager, since most systems inte-grate all processes of the facilities management, but the incoherent data can cause problems when exchanging them with other applications or during benchmarking. Severe problems arise with the lack of standards in extraordinary situations when numerous im-portant decisions with major consequences have to be taken within a short period of time. In cases of fires, floods or terrorist attacks the base data of the buildings need to be readily available in an adequate format. Further these data should be constantly up-dated and integrated with real-time data from the Disaster Management System (DMS). The main challenges in this situation are locating and tracking rescue teams, the local information management and the communication between the on-site staff and the command centre. The Institute for Building Informatics at TU Graz in coopera-tion with the security industry is currently researching and developing a CAFM-based DMS (CADMS). In the following the individ-ual aspects and technical problems are outlined and first re-sults are presented.

Keywords: facility management data, indoor positioning, sensors, system integration

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Full text: content.pdf (796,487 bytes) (available to registered users only)

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