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List of products by author: J. Gollegger
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Effects of ground water pressure on the surrounding of cross passage openings through segmental concrete linings
Abstract: The main tunnels of the Follo Line Project will be built by shielded TBMs using a water tight segmental lining, while the most of the cross passages are foreseen to be drained. The segment ring and the collar, which supports the opening of the segmental lining, will constitute an undrained lining, but the ground water pressure in the rock mass around will be modified by the water flow towards...
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State of the art design, construction and documentation methods in infrastructure projects
Abstract: More and more projects are using BIM models. Some projects require 4D (integration of time dependencies) and 5D (integration of time and cost dependencies) or even more. In addition objects shall be allocated with unique ID codes (tags) already in the design phase and object specific information is collected in database systems, which are linked to all documents (reports, drawings, datasheets,...
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Structural borne noise and number of neighbours affected during TBM excavation of the Follo Line Project
Abstract: The main part of the tunnel in the Follo Line Project is constructed by means of tunnel boring machines (TBMs). Available noise modelling and measurements from various TBM tunnelling projects show a large scatter of results depending on geological conditions, TBM design and actual TBM boring diameter. Not much reference data from TBM excavation with similar boundary conditions is available, and...
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