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A Method for Underpinning Bridge Foundations & Its Application in the NSC Project in Pittsburgh

机译:一种支撑桥梁基础的方法及其在匹兹堡NSC项目中的应用

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摘要

As the need for construction of tunnels and major utilities in congested urban areas increases, there will be more instances of conflict between these structures and existing bridge foundations. The underpinning of these foundations would be particularly challenging where bridge superstructure and piers are connected monolithically or where straddle bents are use. To protect these bridges against cracking, differential displacement or tilting, owners of these bridges would demand stringent deflection tolerances as well as durability provisions.
机译:随着在拥挤的城市地区修建隧道和主要公用事业的需求增加,这些结构与现有桥梁基础之间将出现更多冲突的情况。在桥梁上部结构和墩整体连接或使用跨接弯的情况下,这些基础的支撑将特别具有挑战性。为了保护这些桥免于开裂,不均匀位移或倾斜,这些桥的所有者将要求严格的挠曲公差以及耐用性。

著录项

  • 来源
    《Civil Engineering Practice》 |2009年第2期|P.41-58|共18页
  • 作者单位

    AECOM Transportation in Boston, Massachusetts;

    rnAECOM Transportation in Pittsburgh, Pennsylvania;

    rnAECOM Transportation in Tucson, Arizona;

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  • 原文格式 PDF
  • 正文语种 eng
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