DAS GRÖSSTE ÖSTERREICHISCHE GEOTECHNIK-EVENT
VIENNA TERZAGHI LECTURE
Die „Vienna - Terzaghi Lecture“ bildet traditionell den Höhepunkt der Österreichischen Geotechniktagung.
Im Rahmen der 15. ÖGT 2027 wird sie am 28. Jänner 2027 gehalten von
University of Cambridge
Professorin für Infrastrukturgeotechnik im Fachbereich Ingenieurwesen, Studiengangsleiterin, Bauberaterin
On the behaviour of pile groups under generalised loads
The lecture will focuses on the bearing capacity of pile groups subjected to combined vertical, moment
and lateral loads. Advanced three-dimensional (3D) finite-element analyses were used to identify the
possible plastic mechanisms occurring within the soil–foundation system, as well as the most relevant
factors affecting its limit behaviour. The numerical results show a strong coupling between the lateral
capacity of the group and the applied vertical/moment loads, resulting from a different degree of
mobilisation of the axial and bending capacity of the piles. Based on the numerical findings, a new
theoretical lower bound solution was developed to compute the 3D failure domain of pile groups in clay,
overcoming limitations and inconsistencies of existing theoretical solutions. The proposed solution
accounts for the combined effect of group geometry, structural and geotechnical capacity of the single
piles, and loading direction, on the actual plastic mechanism occurring within the group and the
corresponding failure envelope. The method was validated by comparison with the results of centrifuge
test on small scale models of pile groups and full scale field tests.
Historische Informationen zur Vienna - Terzaghi Lecture finden Sie hier
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Terzaghi Lecture
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