Real-Time Monitoring for Embankment Construction overtop of Regina Clay

Harpreet S. Panesar, Allen J. Kelly, Richard T. Yoshida, Wayne A. Clifton

In the proceedings of: GEO2010 Calgary: 63rd Canadian Geotechnical Conference & 6th Canadian Permafrost Conference

Session: W3-A

ABSTRACT: Monitoring for Embankment Construction overtop of Regina ClayHarpreet S. PanesarSaskatchewan Ministry of Highways and Infrastructure, Regina, SK, CanadaAllen J. Kelly, Richard T. Yoshida, Wayne A. CliftonClifton Associates Ltd., Regina, SK, CanadaABSTRACTThis paper presents the result of real-time monitoring for embankment construction overtop of Regina Clay. Two embankments were built in fall 2009 as a part of the Lewvan Interchange Overpass development on the SW side of the Regina,SK. The settlement profile and pore-water pressures were monitored in the foundation soils prior to construction, during construction and post construction. This paper documents the geotechnical site characterization, predicted settlement based on initial design, embankment construction detail and the results of monitoring program.

RÉSUMÉ: Ce document présente les résultats de la surveillance en temps réel de la construction d'un remblai avec une base d'argile de Regina.Deux remblais furent construits à l'automne 2009 dans le cadre du développement de l'échangeur Lewvan sur le côté sud-ouest de Regina, SK.Le profil de stabilisation et les pressions d'eau interstitielle ont été surveillés dans les sols de fondation en début de projet, durant la construction et après la construction.Ce rapport documente la caractérisation géotechnique du site, prédit la stabilisation du site basé sur la conception initiale, les détails de construction des remblais et les résultats du programme de surveillance.1INTRODUCTION

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