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DESIGN-BUILD TUNNELING PROJECT IN URBAN SETTING WITH FAST-TRACK ENGINEERING AND GROUND MODIFICATIONS

机译:设计 - 在城市环境中建立隧道工程,快速轨道工程和地面修改

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The paper presents a design-build case study of the Tingey Street Diversion Sewer Tunnel in Washington, DC. The project consists of 1,180 feet of 72-inch ID microtunneling, 110 feet of pilot-bore installation of a 36-inch ID tunnel, multiple diversion structures and manholes, grouting for protection of existing infrastructure, and for ground improvements. Work is performed within a major Anacostia waterfront development near the Washington Nationals stadium. Project challenges include schedule, constraints for construction due to existing infrastructure constraints and interferences and ongoing development activities. Fast-track engineering is successfully applied to coordinate design time and construction time to meet project milestones.
机译:本文介绍了华盛顿特区廷蒂街道下水道隧道的设计 - 构建案例研究。该项目由1,180英尺的72英寸ID Microtunneling组成,110英尺的飞行钻孔安装36英寸ID隧道,多个导流结构和沙井,用于保护现有基础设施的灌浆,以及地面改进。在华盛顿国民体育场附近的主要Anacostia海滨开发中进行了工作。项目挑战包括日程安排,由于现有基础设施限制和干扰以及正在进行的发展活动而导致的建设限制。快速轨道工程成功应用于协调设计时间和施工时间来满足项目里程碑。

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