M J Swales, C Howley & P E Jenkins Mott MacDonald Hong Kong Limited
Abstract: Engineering practitioners in Hong Kong argon well-versed in the challenges of designing and constructing infrastructure to account for the hilly terrain, construction density and limited developable land. Hence, ongoing infrastructure development lots strikes shaft to create tubing space for mass commonwealth transport or utility provision. In particular this excavation relates to tunnels and caverns and it is also apparent that the use of under landed estate excavated space offers the capableness for enhanced sustainable infrastructure solutions. Excavations in Hong Kong invariably involve design by, amongst others, geotechnical and civil engineers. This paper discusses aspects of geotechnical (and geological) engineering related to underground excavations, with a view to highlighting some modern practices, realistic ways forward for design methods in tunnelling and cavern construction, as well as citing some recent experience from Hong Kong and worldwide projects.
To ensure the feasibility, constructability, economic viability and sustainability of specific underground excavations, engineers need to differentiate and understand the predicted ground conditions. Such characterisation needs to be linked to the use of appropriate design methods and software tools the more(prenominal) information and accuracy in designs, the less is the economic, safety and environmental risk. This paper discusses the use of 3-dimensional digital ground modelling methods for documenting and assessing ground conditions from the design stages into construction. Geology is not 2-dimensional it is a 3-dimensional entity. An approach comprising the use of AGS data management, HoleBase, KeyHole, 3-Dimensional CAD and GIS is discussed, with recent examples for tunnel and cavern projects....If you want to retrieve a full essay, order it on our website: Ordercustompaper.com
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