首页> 外文会议>Forty-Eighth Annual Conference of the Canadian Technical Asphalt Association (CTAA); Nov, 2003; Halifax, Nova Scotia >The Full Depth Reclamation Process in the Urban Context, City of Lethbridge, Alberta
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The Full Depth Reclamation Process in the Urban Context, City of Lethbridge, Alberta

机译:艾伯塔省莱斯布里奇市的城市环境中的全深度填海工艺

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In 2000, the City of Lethbridge initiated planning and design for the upgrading of Mayor Magrath Drive from a four-lane to a six-lane divided, urban cross-section roadway. Consideration of several pavement reconstruction alternatives led to the selection of a Full Depth Reclamation (FDR) construction strategy for the project. The FDR strategy resulted in significant capital cost savings, in the order of 28 percent compared to conventional reconstruction, and allowed construction to occur on a key transportation corridor within the City of Lethbridge without major disruption to traffic flow and business access. The reduction in construction duration and the environmentally responsible reuse of a non-renewable resource were added benefits. Performance monitoring has been initiated and indicates that some strength gain of the stabilized FDR material can be expected subsequent to construction. Longer term monitoring is planned to identity the ultimate structural adequacy of the section, as well as, other performance attributes. This paper describes the process whereby the FDR alternative was selected and the steps taken to address the relative inexperience with this type of construction in western Canada. Design and construction issues, relative economics of the FDR strategy compared to conventional reconstruction alternatives, and initial performance monitoring are also discussed.
机译:2000年,莱斯布里奇市政府启动了规划和设计,将马格拉斯大道(Mayrath Drive)市长从四车道升级为六车道划分的城市横截面车道。考虑了几种路面重建方案后,为该项目选择了全深度填海(FDR)施工策略。与传统的重建相比,FDR策略可节省大量的资金成本,约为28%,并允许在莱斯布里奇市内的主要交通走廊进行施工,而不会对交通流量和业务准入造成重大干扰。减少施工时间和对环保资源的不可再生资源的再利用是增加的好处。已经开始进行性能监测,并表明在施工之后可以预期稳定FDR材料的某些强度增加。计划进行长期监控,以识别该部分的最终结构充分性以及其他性能属性。本文介绍了选择FDR替代品的过程以及为解决加拿大西部此类建筑相对缺乏经验而采取的步骤。还讨论了设计和施工问题,与传统重建方案相比的FDR策略的相对经济性以及初始性能监控。

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