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首页> 外文会议>Structural Engineering and Public Safety >Memphis Light, Gas and Water Netters Business Center Implications of Seismically Retrofitting an Existing Building in the Midwest to Achieve an Enhanced Earthquake Performance Objective
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Memphis Light, Gas and Water Netters Business Center Implications of Seismically Retrofitting an Existing Building in the Midwest to Achieve an Enhanced Earthquake Performance Objective

机译：孟菲斯轻，气和水网商业中心的含义：对中西部的现有建筑物进行地震改建，以实现增强的地震性能目标

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摘要

Memphis Light, Gas and Water (MLGW) required a new facility with an enhanced earthquake performance objective to contain its data center and other business operations. The primary goal was to ensure that the new building – James L. Netters Business Center, dedicated in the spring of 2004, would be available for Immediate Occupancy shortly following a major earthquake occurring on the southern end of the New Madrid Seismic Zone, which would affect the Memphis and Shelby County region of western Tennessee. Several options were evaluated including 1) seismically retrofitting the existing Administration Building that previously contained these operations, 2) constructing a new facility from the ground up, and 3) purchasing and seismically retrofitting an existing building. The decision to select the last option included the consideration of business continuity, disruption to existing operations, location, property acquisition, time to occupancy, cost, and other issues. Interestingly, the structural retrofit cost was not among the top issues affecting the decision to select a spec 94,000 square foot two-story steel frame office building with exterior concrete tilt-up bearing walls. This paper briefly presents the seismic retrofit for the James L. Netters Business Center building structure and non-structural equipment and systems, but more importantly looks at the implications of trying to achieve enhanced earthquake performance in the Midwest where the environment (owner, architect, engineer and construction disciplines), and the perceived risk to earthquakes is not embraced to the degree that it is in other parts of the country where earthquakes are more frequent making it difficult to achieve the desired performance objectives.
机译：孟菲斯轻，天然气和水（MLGW）需要一个具有增强抗震性能目标的新设施，以容纳其数据中心和其他业务运营。主要目标是确保新建筑物-James L. Netters商业中心（于2004年春季投入使用）在新马德里地震区南端发生大地震后不久可立即投入使用。影响田纳西州西部的孟菲斯和谢尔比县地区。评估了几种选择，包括1）对以前包含这些操作的现有管理大楼进行抗震改造，2）从头开始建造新设施，以及3）对现有建筑物进行购买和抗震改造。选择最后一个选项的决定包括考虑业务连续性，对现有运营的干扰，位置，资产购置，占用时间，成本以及其他问题。有趣的是，结构改造成本不是影响选择94,000平方英尺规格的两层钢框架办公楼的决定的主要问题，该办公楼采用混凝土外倾式承重墙。本文简要介绍了James L.Netters商业中心建筑结构和非结构性设备与系统的抗震改造，但更重要的是探讨了在中西部环境中（所有者，建筑​​师，工程师和建筑学科），并且在该国其他地区地震发生的频率较高，从而难以实现预期的性能目标，因此人们对地震的感知风险并未得到接受。

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