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Evaluating the consistency between prescriptive and performance-based seismic design approaches for reinforced concrete moment frame buildings

机译：评估钢筋混凝土弯矩框架建筑物的规范性地震法和基于性能的地震设计方法之间的一致性

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摘要

The performance of 4- and 8-story reinforced concrete (RC) moment frame buildings designed in accordance with ASCE/SEI 7-10 is assessed using ASCE/SEI 41. Practicing engineers are increasingly using ASCE/SEI 41 as the standard to implement performance-based seismic design and to demonstrate the adequacy of the seismic performance of new buildings. However, ASCE/SEI 41 was originally developed to assess the structural performance of existing buildings. On the other hand, ASCE 7 is a prescriptive standard that has been used for the design of new buildings for several decades. The correlation between the target performance of the ASCE/SEI 41- and ASCE 7-code compliant buildings is unknown for RC moment frames. In order to compare the anticipated structural performance between ASCE/SEI 7 and ASCE/SEI 41, the seismic performance of 4- and 8-story ASCE/SEI 7 code-compliant special reinforced concrete moment frame buildings is assessed based on the four evaluation methodologies defined in the Tier 3 analysis of ASCE/SEI 41 for the collapse prevention and life safety performance levels. The evaluation results show that depending on the ASCE/SEI 41 evaluation approach employed, the buildings designed per ASCE/SEI 7 may not meet the expected performance in ASCE/ SEI 41 and need to be retrofitted.
机译：使用ASCE / SEI 41对根据ASCE / SEI 7-10设计的4层和8层钢筋混凝土（RC）框架结构的性能进行了评估。实践工程师越来越多地使用ASCE / SEI 41作为实现性能的标准基础的抗震设计，以证明新建筑物的抗震性能是否足够。但是，ASCE / SEI 41最初是为了评估现有建筑物的结构性能而开发的。另一方面，ASCE 7是一种规定性标准，已经在新建筑设计中使用了数十年。对于RC弯矩框架，未知ASCE / SEI 41和ASCE 7编码建筑物的目标性能之间的相关性。为了比较ASCE / SEI 7和ASCE / SEI 41之间的预期结构性能，基于四种评估方法对4层和8层符合ASCE / SEI 7规范的特殊钢筋混凝土弯矩框架建筑物的抗震性能进行了评估。在ASCE / SEI 41的方法3的分析中定义了防倒塌和生命安全性能等级。评估结果表明，根据所采用的ASCE / SEI 41评估方法，根据ASCE / SEI 7设计的建筑物可能无法满足ASCE / SEI 41的预期性能，需要对其进行翻新。

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  • 来源
    《Engineering Structures》 |2018年第1期|919-931|共13页
  • 作者

    Sattar Siamak;

  • 作者单位

    NIST Gaithersburg MD 20899 USA;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
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