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Abstract: The London Underground transport network is undergoing an upgrade programme for lines and key stations to address steadily increasing passenger numbers and an ageing infrastructure. This paper indicates some elements of the upgrade programme and where the Tottenham Court Road Station upgrade sits within that plan. One of the most challenging parts of this project, two "overbridges" over the...
Abstract: London Underground and the contractor Dragados were looking for a solution that offered efficient use of space and resources, therefore a combined lining system, comprising primary and secondary fibre reinforced sprayed concrete linings was adopted. The paper will highlight the design considerations for different components of the combined lining, including special load cases that are critical...