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Bloodworth, Houlsby, Burd and Augarde Three-dimensional Modelling of the Interaction Between Buildings and Tunnelling Operations

Summary: Bloodworth, Houlsby, Burd and Augarde
1 of 10
Three-dimensional Modelling of the Interaction Between Buildings and Tunnelling Operations
A.G. Bloodworth, Southampton University, formerly Oxford University and Brown and Root Ltd
G.T. Houlsby, Oxford University
H.J. Burd, Oxford University
C.E. Augarde, Durham University, formerly Oxford University
Keywords: Tunnels, Masonry Structures, Finite Elements, Settlements
Conference theme: Effects of building stiffness, different configurations and time
ABSTRACT: An extensive programme of research has been carried out at Oxford University on finite element
analysis of the interaction between masonry buildings and ground movements induced by tunnelling. The focus
has been on the development of a predictive tool for assessing the probable damage to buildings. This paper
presents a brief summary of the work, with reference to other more detailed papers. The method is illustrated
with reference to the case of the Ramsgate harbour approach tunnel, in which a large diameter tunnel in chalk
was excavated at very low cover directly beneath a row of cottages. Both field measurements and analyses reveal
that in this case the building responds flexibly, following rather closely the greenfield settlements, which were
small. The slight damage to the buildings was also correctly modelled.
1. Introduction
An assessment of potential damage to buildings due to shallow tunnelling operations is important when the
buildings are of masonry, as small differential settlements may lead to unsightly cracking. Current assessment


Source: Augarde, Charles - School of Engineering, University of Durham


Collections: Engineering