Deep Excavations
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Project Introduction
The pressures on space and the high land costs
in cities have been contributing factors in the trend towards the
development of high-rise buildings, often with deep multi-level
basements, and roads or railways routed underground within cut and
cover tunnels. In addition, in rural areas, there is a trend
towards the use of cut and cover tunnels to overcome environmental
concerns.
Project Background
In the design of deep excavations for either
basements or cut and cover tunnels, the design of the retaining
walls is inextricably linked to long term limitations and
opportunities for wall props, the method of construction and the
constraints on ground movements (both horizontally and vertically)
in the vicinity of the excavation. Therefore, detailed
consideration needs to be given to the type of wall (contiguous
piling, secant piling, diaphragm walling) and the sequence of
propping/strutting, prop loads and ground movements in order to
achieve an acceptable solution.
Value Adding Project
Achievements
Scott Wilson has a long history of undertaking
deep excavation projects for both building owners and specialist
ground contractors. We have both the theoretical knowledge required
to predict future ground movements, and the practical experience of
knowing what will work in a crowded construction site.
