The role of building position on the response of buildings to tunnelling subsidence: numerical modelling

Giorgia Giardina, Stefan Ritter, Matthew J. DeJong, Robert J. Mair

Research output: Contribution to conferencePaperpeer-review


The potential damage caused by tunnel excavations to surface buildings can be effectively investigated by centrifuge testing. However, for practical reasons only a limited number of geometrical configurations can be tested in a geotechnical centrifuge. Therefore, numerical modelling provides an essential tool to
generalise the laboratory results.
This paper illustrates the performance of a 2D finite element model of masonry buildings subjected to tunnelling in sand. The results of the first series of centrifuge tests performed on complex 3D printed masonry structures and presented in the companion paper were used for the model validation. The model includes nonlinear constitutive laws for both the soil and the building.
Differently than previous works, this paper focuses on the accurate simulation of the building response by using structural parameters specifically defined for the assessment of building deformations. The results provide insights into the effect of different building positions relative to the tunnel on the structural response. The validated model can be used to investigate the effect of different building conditions on the soil-structure interaction mechanism.
Original languageEnglish
Number of pages8
Publication statusPublished - Apr 2017
EventIS 2017: 9th International Symposium on Geothecnical Aspects of Underground Construction in Soft Ground - Sao Paulo, Brazil
Duration: 3 Apr 20176 Apr 2017


ConferenceIS 2017
Abbreviated titleTC-204 ISSMGE
CitySao Paulo
Internet address


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