Abstract
Virtual Reality techniques were used to develop an interactive application concerning the incremental launching construction of bridges, in the area of Civil Engineering. It was developed in order to facilitate understanding of the various phases involved in the construction. The visualization of the distinct physical steps of the construction is shown in the virtual application. The model makes it possible to view the physical evolution of the work, to follow the planned construction sequence and to visualize details of the form of every component of the work. It also supports the study of the type and method of operation of the equipment necessary for this construction activity. The application of visual simulation was designed to allow direct access to any stage of the constructive process in which it is based and may be viewed from any point within the virtual scene, thus facilitating their understanding. The access to the application can be established through a web page placed on the Internet. The model brings new perspectives in the training activity as a support to expose innovative methods or complex sequence construction.
Highlights
The aim of the practical application of the virtual reality (VR) model, is to provide support in Civil Engineering training namely in those areas relating to bridges and construction process
The pedagogic aspect and the technical knowledge are presented on the selection of the quantity and type of elements to show in the virtual model, on the sequence of exhibition to follow, on the relationship established between the components of the construction, on the degree of geometric details needed to present and on the technical information that must go with each constructive step
The detail of the configuration of each element involved in the performance, the camera positioned in an adequate way at each time where the construction activity is in progress and the accuracy of the construction sequence are good arguments to use the model or the film made over the virtual model as an education tool and as an important support to explain bridge construction technologies
Summary
The aim of the practical application of the virtual reality (VR) model, is to provide support in Civil Engineering training namely in those areas relating to bridges and construction process. The virtual model can be manipulated interactively allowing the teacher or student to monitor the physical evolution of the work and the construction activities inherent in its progression This type of model allows the participant to interact in an intuitive manner with the three-dimensional space, to repeat the sequence or task until the desired level of proficiency or skill has been achieved and to perform in a safe environment. The pedagogic aspect and the technical knowledge are presented on the selection of the quantity and type of elements to show in the virtual model, on the sequence of exhibition to follow, on the relationship established between the components of the construction, on the degree of geometric details needed to present and on the technical information that must go with each constructive step From this application it is possible to obtain 3D models corresponding to different states of their shape, simulating distinct stages of the carrying out process [2]. For extensions of less than 50m range, can be equated with the earlier solutions, depending on the number of piers and height [6]
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