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首页> 外文会议>Deep Foundations Institute Annual Conference on Deep Foundations >SOIL NASL SUPPORT OF EXCAVATION SYSTEM FOR THE EMBASSY OF THE PEOPLES REPUBLIC OF CHINA IN THE UNITED STATES
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SOIL NASL SUPPORT OF EXCAVATION SYSTEM FOR THE EMBASSY OF THE PEOPLES REPUBLIC OF CHINA IN THE UNITED STATES

机译：美国驻华人民大使馆挖掘系统土壤NASL支持

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The new Embassy of the Peoples Republic of China in the United States (Chinese Embassy) is located in the Embassy Row portion of Northwest Washington DC. The 475,000 ft~2 (44,125 m~2) structure has five levels below ground and four above, making it the largest embassy in Washington DC. The structure approaches the property line on all sides, and is immediately adjacent to several foreign embassies and a secure U.S. Federal Building. A vertical soil nail wall was used as the primary support of excavation (SOE) system for the project. The soil nail wall was irregularly shaped, benched in areas, and reached total heights up to 98 feet (29.9 m). The soil nail and shotcrete system consisted of approximately 1,600 soil nails and 50,000 square feet (4,645 m~2) of exposed shotcrete wall surface. Tight excavation requirements were defined for the project due to the location of the building relative to the property line, requiring fairly precise wall positions and shotcrete tolerances. Design challenges included soft soil conditions, inside wall corners, underground utilities, and seismic impacts from blasting. The paper will focus on the design, construction, and performance of the soil nail SOE system, as well as touch on the logistical and political factors that influenced the design. The paper also notes the Value Engineering and communication approaches that were generated during construction. These efforts resulted in a significant improvement in the quality control and quality assurance exhibited on site, expedited the schedule, and led to significant cost savings to the contractors, engineer, and owner.
机译：中国人民共和国大使馆在美国（中国大使馆）位于华盛顿特区西北部的大使馆行。 475,000英尺〜2（44,125米〜2）结构有五个水平，上面有四个，使其成为华盛顿特区最大的大使馆。该结构在各方面接近物业系列，并立即与若干外国大使馆和安全的美国联邦建筑相邻。垂直土钉壁被用作该项目的挖掘（SOE）系统的主要支持。土壤钉墙不规则地形状，在地区的平等，达到高达98英尺（29.9米）的总高度。土着钉子和喷射系统由大约1,600个土钉和50,000平方英尺（4,645米〜2）暴露的喷射壁表面组成。由于建筑物相对于物业线的位置，因此为该项目定义了紧密的挖掘要求，需要相当精确的墙壁位置和射击速度公差。设计挑战包括软土条件，内部墙面，地下公用事业和爆破的地震影响。本文将专注于土着钉绒SOE系统的设计，施工和性能，以及影响设计的后勤和政治因素的触摸。本文还指出了在施工期间产生的价值工程和通信方法。这些努力导致在现场展出的质量控制和质量保证方面取得了重大改善，加快了该时间表，并导致承包商，工程师和所有者节省重大成本。

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