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首页> 外文会议>Deep Foundations Institute annual conference on deep foundations >MICROPILES IN AN URBAN SETTING - TBTA VERRAZANO NARROWS BRIDGE HOV/BUS RAMPS, BROOKLYN, NY AND NYSDOT KOSCIUSZKO BRIDGE REPLACEMENT, BROOKLYN, NY
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MICROPILES IN AN URBAN SETTING - TBTA VERRAZANO NARROWS BRIDGE HOV/BUS RAMPS, BROOKLYN, NY AND NYSDOT KOSCIUSZKO BRIDGE REPLACEMENT, BROOKLYN, NY

机译：城市环境中的微生物-TBTA VERRAZANO NARROWS桥梁HOV / BUS RAMPS，纽约州布鲁克林和纽约州SDOT KOSCIUSZKO桥梁更换，纽约州布鲁克林

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摘要

Construction of foundation elements in an urban environment is often complicated by multiple constraints such as existing foundations, utility conflicts, maintenance and protection of traffic on high volume roadways, low overhead clearances, and vibration and displacement monitoring to reduce risks of impact to existing facilities. Micropiles are commonly a preferred foundation alternative in an urban setting to mitigate some of these risks. This paper presents examples in which micropiles helped reduce risk in an urban setting on the two subject infrastructure improvement projects. The case studies presented include the Verrazano Narrows Bridge HOV and Bus Ramp Improvements in Brooklyn, NY and the Kosciuszko Bridge Replacement in Queens and Brooklyn, NY. The paper details the micropile design, how risks were mitigated, and the complications to each of these projects associated with the urban setting.
机译：在城市环境中，基础元素的施工通常会受到多种限制，例如现有基础，公用设施冲突，高流量道路上的交通维护和保护，高架空地间隙以及振动和位移监测，以降低对现有设施的影响风险。在城市环境中，微型桩通常是首选的基础替代方案，以减轻其中的某些风险。本文提供了一些示例，其中微型桩有助于降低城市环境中两个主题基础设施改善项目的风险。提出的案例研究包括纽约布鲁克林的Verrazano Narrows桥HOV和公交坡道改进以及纽约州皇后区和布鲁克林的Kosciuszko桥更换。本文详细介绍了微型桩的设计，如何降低风险以及与城市环境相关的每个项目的复杂性。

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