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首页> 外文会议>Third International Conference on Earthquake Resistant Engineering Structures ERES Ⅲ, 3rd, Sep, 2001, Malaga >Three-dimensional IT investigation of seismic distress in a large existing structure and development of remedial measures
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Three-dimensional IT investigation of seismic distress in a large existing structure and development of remedial measures

机译：既有结构中地震遇险的三维信息技术调查及补救措施的发展

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This paper will describe a narrative and graphic overview of the unique forensic engineering methodologies utilized to resolve a critical structural distress scenario in a large hospital located on the island of Puerto Rico and will delineate the historic background and events leading to the detection and identification of structural weaknesses in this 85000 M~2 high rise structural steel hospital and the creative solutions to harden the structure against seismic forces; and prevent a potential catastrophic disruption of strategic healthcare. It was imperative to develop an expeditious forensic investigation that would quantify the extent of distress, and develop remedial measures required to "harden" the structure to resist high seismic forces generated by slipping of the Caribbean tectonic plate. Hospital Authority Criteria maintained that operations of this facility would continue on a 24-hour, 365-day basis during the remediation process. The structural remediation scenario was further complicated by the presence of asbestos containing spray-on fireproofing on the structural frame. Forensic investigators, implemented a comprehensive survey of the structure, interior geometry and a testing program using digital tools and three-dimensional structural analysis of this large structure using high speed computers and seismic applications of STAADIII and AutoCad software. The results of the analysis indicated a potential for total failure of the facility. This paper details the forensic and engineering investigation methodologies for planning the remediation for this large scale project identifies the digital tools used for the forensic engineering analysis and the logic adopted for selecting the scenario of which identified a practical solution to a complex issue and allowed this 2000 patient hospital to continue full operations during the seismic correction program.
机译：本文将描述用于解决波多黎各岛上一家大型医院的关键结构遇险情况的独特法医工程方法的叙述和图形概述，并将描述导致检测和识别结构的历史背景和事件这家85000 M〜2高层钢结构医院的弱点以及针对结构进行抗震加固的创新解决方案；并防止潜在的灾难性战略医疗中断。必须进行快速的法医调查，以量化遇险的程度，并开发出必要的补救措施，以“硬化”结构以抵抗由加勒比构造板块滑动而产生的高地震力。医院管理局标准坚持认为，在整治过程中，该机构的运营将在24小时365天的基础上继续进行。由于结构框架上存在含喷涂防火石棉的存在，使结构修复方案更加复杂。法医研究人员使用数字工具对结构，内部几何形状和测试程序进行了全面调查，并使用高速计算机以及STAADIII和AutoCad软件的地震应用对该大型结构进行了三维结构分析。分析结果表明该设施可能会完全失效。本文详细介绍了用于规划此大型项目修复工作的法证和工程调查方法，确定了用于法证工程分析的数字工具，以及用于选择方案的逻辑，确定了解决复杂问题的实际方法，并允许在2000年病人医院在地震校正计划期间将继续全面运作。

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