Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 9 of 9 for “"Crossrail"”.
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Transportation megaproject procurement : benefits and challenges for PPPs and alternative delivery strategies, and the resulting implications for Crossrail
This thesis evaluates the applicability of public-private partnerships (PPPs) and alternative delivery strategies to transportation megaprojects. There has been tremendous expansion of innovative procurement and financing mechanisms in this area. However, there are still many hurdles to overcome …
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Application of new observational method on deep excavation retaining wall design in London Clay
… of historical excavation case histories and four Crossrail station excavations using the observational method. The term Ab initio is used for excavation design from the beginning of construction, covering Optimistic Approach A and Cautious Approach B. The term Ipso-tempore is introduced for …
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Prediction and interpretation of ground movements due to tunneling in stiff clay and impacts on adjacent structures
… This thesis analyzes monitoring data from the Crossrail project involving twin tunnels construction using Earth Pressure Balance (EPB) machines in London Clay. The research focuses on the 'greenfield' response during tunnel excavation beneath Hyde Park. Far-field measurements of surface and …
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Numerical simulation of ground movements and structural forces in lining for Earth Pressure Balance (EPB) tunneling in clay
… with on-going EPB tunnel construction for the Crossrail project in central London. The analyses use a linearly-elastic perfectly plastic (MC) soil model based on design profiles of undrained shear strength and stiffness characteristics of London Clay. The analyses show the importance of the in …
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INVESTIGATING THE BUILT ENVIRONMENT: SURVEY OF INCLUSIVE DESIGN ATTITUDES WITHIN LONDON’S TUBE STATIONS
… survey group chosen were clients or designers of Crossrail, London’s newest underground railway. Section 5 presented evidence and analyses; Section 6 discussed the results and Section 7 responded to those research questions. The thesis concluded in Section 8 by standing back to review the research …
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Party Wall Disputes: Legal Coherence and Dispute Management
… Registration Act 2002, Human Rights Act 1998, Crossrail Act 2008 and the High-Speed Rail (London – West Midlands) & (West Midlands – Crewe) Acts 2017). (ii) Proprietary rights – easements (right of way/support, drainage rights and whether there is an ancillary right or obligation to repair or …
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Supervised learning for back analysis of excavations in the observational method
… tested based on a case history from the London Crossrail project. In the end, the models are compared and their flexibility in different cases is discussed.
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Tunnelling Effects on Bored Piles in Clay
… between piles. Two case studies, from the Crossrail project in London, are presented for tunnelling on piled structure in clay. The case study at 4-18 Bishops Bridge Road (BBR) showed the effects of earth pressure balance (EPB) tunnel boring machine (TBM) tunnelling on an overlying piled …
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Prediction of instability and ground movements during tunnel construction in non-homogenous conditions
… data from three well-documented case studies: 1) Crossrail C300 beneath Hyde Park in London, where tunnels were bored through units of stiff clay; 2) Downtown Line DTL3 (C933) in Singapore where tunnels traversed an interface between stiff Old Alluvium and overlying soft marine clays; and 3) …