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List of products by author: V. J. Potts
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Delivering a Safe Integrated SCL Design: The Challenges and Successes of Crossrail Contract C300/C410
Abstract: The SCL primary lining was designed to withstand the various temporary conditions and also formed part of the composite permanent works design. Retaining design responsibility for the composite SCL primary and secondary lining design with one party (Mott MacDonald (MM)), whilst ensuring that the Contractor retained responsibility for excavation and temporary support...
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Influence of Construction Method on Shaft Design
Abstract: This paper considers the design of a number of shafts of varying size, constructed using diaphragm walling techniques in the Middle East. The walls were constructed to full depth in loose sand and layered rock, to facilitate the rapid construction programme. The design process revealed that the loads on the walls were substantially affected by construction...
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Stabilisation of soil pillar adjacent to Eastern Ticket Hall at Bond Street Crossrail Station
Abstract: Sprayed concrete lining (SCL) tunnelling alongside the secant pile walls forming the Eastern Ticket Hall (ETH) box at Bond Street station left a narrow pillar of clay, less than 1m wide in places, between the piles and the tunnel lining. Since the tunnelling was to occur after excavation of the box, the stability of this soil pillar during excavation was identified as a concern. This paper...
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