Use of EPS as a Lightweight Fill Material on the Port Mann / Highway 1 Improvement Project, Vancouver to Langley, BC

机译：在温哥华至卑诗省兰里市的曼港/高速公路1改善项目中将EPS用作轻质填充材料

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As part of the design-build Port Mann / Highway 1 (PMH1) Improvement Project, 25 lightweight bridge embankments were designed and constructed using expanded polystyrene (EPS) foam. EPS embankments are typically used as an alternative to mineral fill embankments where the ground is soft and would require lengthy preloading to control post-construction settlements. This has made EPS embankments particularly attractive for design-build projects, where construction schedules are typically compressed and traditional methods of ground improvement are much less attractive. This paper provides three case studies that highlight the design features developed to address the unique characteristics of these sites. In the Burnaby Lake area in Burnaby, pile-supported EPS embankments replaced multiple bridge spans. At King Edward Street in Coquitlam, the rapid constructability of EPS embankments enabled a long curved bridge to be replaced by a much shorter straight bridge. At the 202' Street Overpasses in Langley, ground liquefaction and slope stability challenges were overcome by using EPS embankments. In addition, several other applications of EPS used on the PMH1 Project are discussed.

机译：作为设计建造的曼港/高速公路1（PMH1）改进项目的一部分，使用膨胀聚苯乙烯（EPS）泡沫设计和建造了25座轻型桥梁路堤。 EPS堤防通常被用作填土路堤的替代品，后者的地面较软，需要长时间的预压才能控制施工后的沉降。这使得EPS路堤对设计建造项目特别有吸引力，在这些项目中，通常压缩了施工进度表，而传统的地面改良方法则吸引力不大。本文提供了三个案例研究，重点介绍了为解决这些站点的独特特性而开发的设计功能。在本那比的本那比湖地区，桩支撑的EPS路堤代替了多个桥跨。在高贵林市的爱德华国王大街，EPS路堤的快速可施工性使长弯的桥被短得多的直桥所代替。在兰利（Langley）的202'Street立交桥上，使用EPS路堤克服了地面液化和边坡稳定性的难题。此外，还讨论了PMH1项目使用的EPS的其他几种应用。

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《Transportation Association of Canada conference exhibition on transportation: past, present, future》|2014年|1950-1969|共20页
会议地点 Montreal(CA)
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Marek Buksowicz; Stuart Culpan;
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Use of EPS as a Lightweight Fill Material on the Port Mann / Highway 1 Improvement Project, Vancouver to Langley, BC

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