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首页> 外文会议>U.S.-Japan Workshop on Performance-Based Earthquake Engineering Methodology for Reinforced Concrete Building Structures >INNOVATIVE APPROACHES TO PERFORMANCE-BASED SEISMIC REHABILITATION OF CONCRETE BUILDINGS
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INNOVATIVE APPROACHES TO PERFORMANCE-BASED SEISMIC REHABILITATION OF CONCRETE BUILDINGS

机译：基于性能的混凝土建筑物的地震康复方法创新途径

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摘要

Current approaches to seismic rehabilitation of concrete buildings now recognize the need to satisfy specific performance objectives. While these performance objectives have been implied in the past, modern rehabilitation guidelines are more explicit in quantifying demand and capacity parameters that must be met to satisfy particular performance goals. This performance-based approach requires rigorous analytical tools, and at the same time provides a means to implement innovative rehabilitation strategies. Specifically, displacement-based evaluation of buildings gives the engineer more flexibility in devising an upgrade that balances stiffness, strength, and ductility to limit displacements to an acceptable level. This paper a) describes current methodologies for rehabilitation of concrete buildings in the context of performance-based engineering, b) outlines the analytical tools commonly used, and comments on their applicability, and c) presents two innovative concrete rehabilitation projects, one buckling-restrained brace and ductile shear wall retrofit, and one seismic isolation retrofit. The applicability of various rehabilitation approaches is discussed, particularly in light of the individual building owner's objectives.
机译：目前对混凝土建筑物的地震康复的方法现在认识到需要满足特定的性能目标。虽然过去暗示了这些表现目标，但现代康复指南在量化需求和容量参数方面更明确，以满足特定的绩效目标。这种基于性能的方法需要严格的分析工具，同时提供了实施创新康复战略的手段。具体而言，基于位移的建筑物的评估使工程师在设计平衡刚度，强度和延展性的升级方面使工程师更具灵活性，以限制可接受的水平的位移。本文描述了在基于绩效的工程背景下，概述了常用的分析工具，以及对其适用性的评论，概述了两种创新的具体康复项目，概述了两个创新的混凝土康复项目支架和韧性剪力墙改装，以及一个地震隔离改装。讨论了各种康复方法的适用性，特别是鉴于个人建立所有者的目标。

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