Parameterstyrd modellering av bergtunnlar

Detta är en Kandidat-uppsats från KTH/Byggteknik och design; KTH/Byggteknik och design

Sammanfattning: Project designing in the building construction industry has developed a lot during recent years and the result is that not only 2D documents are made, but also 3D models are created to facilitate the project. A problem most players are facing daily is when conditions and information in a project change and design engineers must make necessary changes to their models. These changes can be time-consuming, and the designers may need to do these changes more than once during the project. Could a parametric 3D model make these changes faster than a CAD model when conditions and information on a project change? One of the developers that frequently needs to make changes to its models is WSP geotechnical department. The desire is to find a new working method that increases the efficiency of project design of tunnels. The aim of this thesis was to try parametric modeling as a working method and to see if this method could be used to create ground tunnels. A script has been made in Grasshopper, a visual programming plug-in that generates a parametric model of a tunnel. The parametric model was then compared with an existing CAD model created by the WSP geotechnical department in an earlier project. Pros and cons have been presented and conclusions have been made about if parametric modelling could be more efficient than current working methods. The results of this thesis indicate that parametric modelling is an efficient working method and that it could be used as a working method for future ground tunnel projects.

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