Simulating the effect of vibratory pile driving on substructures of adjacent buildings in urban environment

S.D. Ekanayake, D.S. Liyanapathirana, C.J. Leo

In the proceedings of: GeoManitoba 2012: 65th Canadian Geotechnical Conference

Session: W2C - Foundations IV

ABSTRACT: Rapid growth in urban construction activities has driven the modern day construction industry to utilise land available in the vicinity of existing buildings. A major concern arising from utilising such land is damages to the adjacent buildings due to propagation of ground vibrations generated from construction activities. Dynamic pile installation methods such as vibratory and impact driving are ground vibration sources which can cause severe damages to the surrounding structures. This paper examines the effect of vibratory pile driving on an existing substructure using a dynamic finite element model. A closed ended pile is driven starting from the ground surface using a novel numerical procedure. The finite element mesh representing the homogeneous soil domain is truncated using infininte elements. The numerical procedure is first verified using field data and then a parametric study is conducted to investigate the influence of the frequency and the amplitude of the vibratory force driving the new pile on the existing nearby pile.

RÉSUMÉ: La croissance rapide des activités de construction urbaines a conduit l'industrie moderne de construction à utiliser les terrains disponibles au voisinage des bâtiments existants. La préoccupation majeure résultant de l'utilisation de tels terrains est les dommages causés aux bâtiments adjacents en raison de la propagation des vibrations du sol générées par les activités de construction. x de fondation telles que les mises en place par vibration ou par battage sont sources de vibrations du sol qui peuvent causer de graves dommages aux structures environnantes. Le présent document examine l'effet du battage vibratoire sur une infrastructure existante à l'aide d'un modèle dynamique à éléments finis. Un tas fermé fin est entraînée dans le sol depuis la surface en utilisant une nouvelle procédure numérique. Le maillage d'éléments finis représentant le domaine homogène du sol est tronqué à l'aide des éléments infininte. Une étude paramétrique est menée afin d'évaluer l'influence de la fréquence et l'amplitude de la force vibratoire enfonçant le nouveau pieu sur le pieu existant à proximité.

Access this article:
Canadian Geotechnical Society members can access to this article, along with all other Canadian Geotechnical Conference proceedings, in the Member Area. Conference proceedings are also available in many libraries.

Cite this article:
S.D. Ekanayake; D.S. Liyanapathirana; C.J. Leo (2012) Simulating the effect of vibratory pile driving on substructures of adjacent buildings in urban environment in GEO2012. Ottawa, Ontario: Canadian Geotechnical Society.

@article{Paper219,author = S.D. Ekanayake; D.S. Liyanapathirana; C.J. Leo,title = Simulating the effect of vibratory pile driving on substructures of adjacent buildings in urban environment,year = 2012}