Mechanically Stabilized Earth Walls Northeast Stoney Trail, Calgary, Alberta
H. Zhen, Dan MacDonald, John Kerr, R. Lockwood, J. Lockwood
In the proceedings of: GEO2011: 64th Canadian Geotechnical Conference, 14th Pan-American Conference on Soil Mechanics and Geotechnical Engineering, 5th Pan-American Conference on Teaching and Learning of Geotechnical EngineeringSession: Retaining Walls
ABSTRACT: The northeast leg of the Stoney Trail was the second phase of the ring road constructed within Calgary, Alberta. The overall project consisted of 21 kilometres of new highway and 23 bridge structures. Challenges for this project included year round construction coupled with complex geometrics. Architectural Full Height precast panels were selected as the system of choice for the bridge retaining walls, in conjunction with the innovative use of HDPE soil reinforcement. This paper will focus on the key aspects associated with extensible geogrid design for pile supported abutment walls. Maximum wall heights up to 20.35 metres were constructed with the ARES system for this pile supported bridge deck system. The system consisted of approximately 15,296 m2 of architectural wall face, along with 3,393 m2 of soil reinforced abutment seat. Technical considerations relating to panel fabrication, erection, acute angle geometry, along with the typical Canadian challenge of winter construction will be discussed.
RESUMEN: El tramo Noreste de Stoney Trail fue la segunda fase de la autopista perimetral construida en Calgary, Alberta. En total el proyecto consistió de 21 kilómetros de carreteras nuevas y 23 puentes. Los desafíos de este proyecto incluyeron construcción bajo condiciones invernales durante gran parte del año así como geometrías complejas. Paneles arquitectónicos prefabricados de concreto de altura total fueron seleccionados para las estructuras de contención del puente junto con el uso innovativo de suelo reforzado usando geomallas de polietileno de alta densidad (HDPE). Este documento se centrará en los aspectos clave relacionados con el diseño con geomallas extensibles en los muros de contención para los estribos soportados sobre pilotes. Muros con altura máxima de 20.35 m fueron construidos usando el sistema ARES en este conjunto de estribos apoyados sobre pilotes. El sistema consistió de aproximadamente 15,296 m2 de fachada arquitectónica para muros, junto con 3,393 m2 de asientos para estribos en suelo reforzado. Se discutirán las consideraciones técnicas relacionadas con la fabricación, erección y geometría con ángulos agudos de los paneles de concreto así como los desafíos asociados con la construcción en clima frío típica del ambiente Canadiense.
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Cite this article:
H. Zhen; Dan MacDonald; John Kerr; R. Lockwood; J. Lockwood
(2011) Mechanically Stabilized Earth Walls Northeast Stoney Trail, Calgary, Alberta in GEO2011. Ottawa, Ontario: Canadian Geotechnical Society.
@article{GEO11Paper826,
author = H. Zhen; Dan MacDonald; John Kerr; R. Lockwood; J. Lockwood
,
title = Mechanically Stabilized Earth Walls Northeast Stoney Trail, Calgary, Alberta,
year = 2011
}
title = Mechanically Stabilized Earth Walls Northeast Stoney Trail, Calgary, Alberta,
year = 2011
}