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首页> 外文会议>Rapid Excavation and Tunneling Conference 2015 proceedings >SUPPORT OF EXCAVATION FOR ROOSEVELT STATION: SUCCESSFUL PARTNERING OVERCOMES CHALLENGING CONSTRUCTION CHANGE
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SUPPORT OF EXCAVATION FOR ROOSEVELT STATION: SUCCESSFUL PARTNERING OVERCOMES CHALLENGING CONSTRUCTION CHANGE

机译：罗斯福车站的开挖支持：成功的伙伴关系克服了挑战性的建筑变化

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摘要

The Roosevelt Station is one of the 2 intermediate box excavations on the N125rnContract of Central Puget Sound Regional Transit Authority’s Northgate Link ExtensionrnProject in Seattle, WA.rnDuring design, the Owner and Designer settled on secant piles and tie backs forrnsupport of excavation. After award of the contract, the Contractor expressed concernsrnabout lead times for material procurement for the secant piles and advised that theyrnwere looking at alternative support methods. The contractor proposed a slurry diaphragmrnsystem to address their schedule concerns and improve upon the leakage andrnsurface flatness requirements of the contract.rnThis paper presents the cooperative process undertaken by the Owner, Designer,rnConstruction Manager and Contractor to integrate the contractor’s concept into therndesign, identify and address potential concerns with the design change, proactivelyrnengage the city’s staff to streamline the permit review process and successfully completernthe installation of slurry diaphragm wall system. Issues and challenges that werernencountered during development and execution of the slurry diaphragm wall work arernidentified along with the steps taken to mitigate them.
机译：罗斯福车站（Roosevelt Station）是中央皮吉特海湾地区运输局N125rnContract在华盛顿州西雅图市的Northgate Link扩建工程中的两个中间箱开挖之一。在设计过程中，所有者和设计师安定在割线桩上，并系紧了开挖的后支。授予合同后，承包商对正割线桩的材料采购提前期表示担忧，并建议他们正在寻找其他支撑方法。承包商提出了一种泥浆隔膜系统，以解决他们的工期问题，并改善合同的泄漏和地面平整度要求。本文介绍了业主，设计师，施工经理和承包商采取的合作过程，以将承包商的概念整合到设计，识别和确定中。解决设计变更中潜在的问题，积极吸引全市工作人员简化许可证审查流程，并成功完成泥浆隔膜墙系统的安装。在泥浆隔膜墙工程的开发和执行过程中遇到的问题和挑战，以及为减轻这些问题而采取的步骤，都得到了确定。

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