CUED Publications database

Field measurements of ground movements associated with circular shaft construction

Faustin, NE and Mair, RJ and Elshafie, MZEB and Menkiti, CO and Black, M (2018) Field measurements of ground movements associated with circular shaft construction. In: 9th International Symposium on Geotechnical Aspects of Underground Construction in Soft Ground, 2017-4-4 to 2017-4-6, São Paulo, Brazil pp. 301-308..

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Abstract

© 2018 Taylor & Francis Group, London. Circular shafts are an integral component of infrastructure development schemes which exploit underground space. However, limited design guidance exists for such structures and the cautious approach often adopted by designers can have significant impact on the shaft construction costs and the protective measures implemented for adjacent buildings and services. In the UK, Crossrail is a major tunnel construction project underway to improve transportation links across London and the South East. Several deep circular shafts were constructed to facilitate access and egress of plant and personnel to and from the tunnel horizon and to provide ventilation and emergency access. This paper describes the findings from a comprehensive review of field observations associated with construction of four of the Crossrail shafts. The data is invaluable to understanding the behaviour of circular shafts and the adjacent ground. Different techniques for constructing shafts are evaluated and the important effect of dewatering is highlighted.

Item Type: Conference or Workshop Item (UNSPECIFIED)
Subjects: UNSPECIFIED
Divisions: Div D > Geotechnical and Environmental
Div D > Construction Engineering
Depositing User: Cron Job
Date Deposited: 09 Oct 2017 20:23
Last Modified: 20 Oct 2020 03:17
DOI: 10.1201/9781315099507-35