Various self-centering structural systems were developed and investigated for reducing residual inter-story drifts of the traditional aseismic structural system by achieving full or partial self-centering behaviors under earthquakes in the past twenty years. However, limited research was conducted to investigate the life-cycle benefits of the full and partial self-centering structural systems on the life-cycle span, figuring out a more cost-effective solution for enhancing the building’s seismic resilience. This paper aims to comprehensively investigate the life-cycle benefits of full and partial self-centering structural systems compared to conventional buckling-restrained braced frames (BRBFs) using the life-cycle cost estimation method. The influences of the residual inter-story drift limit for demolition, the initial cost of emerging self-centering members, the value of building contents, and the discount rate were particularly investigated. To this end, three building structures with BRBFs and full and partial self-centering structural systems were designed to achieve the same capacity for controlling maximum inter-story drifts. Comprehensive dynamic analyses were performed to generate engineering parameters under different seismic intensities and the modeling uncertainties were properly considered through Monte Carlo simulation. The revised HAZUS loss calculation method was adopted to investigate the seismic annual loss (SAL) and life-cycle cost. The analysis results indicate that the partial self-centering behavior would be a better choice than the full self-centering behavior for developing the self-centering structural systems to achieve better life-cycle benefits. Moreover, it is essential and urgent to reduce the initial costs of self-centering structural members and control the floor acceleration responses for increasing the life-cycle benefits of self-centering structural systems and promoting their practical applications.

在过去的二十年中，通过在地震下实现完全或部分自定心行为，开发和研究了各种自定心结构系统，以减少传统抗震结构系统的残余层间位移。然而，有限的研究旨在调查完整和部分自定心结构系统在生命周期跨度上的生命周期效益，从而找出一种更具成本效益的解决方案来增强建筑物的抗震能力。本文旨在使用生命周期成本估算方法，与传统的屈曲约束支撑框架 (BRBF) 相比，全面研究完全和部分自定心结构系统的生命周期效益。剩余层间位移限值对拆除的影响，新兴自中心成员的初始成本、建筑内容的价值和贴现率被特别调查。为此，设计了三个具有 BRBF 和完全和部分自定心结构系统的建筑结构，以实现相同的控制最大层间位移的能力。综合动力分析生成不同地震烈度下的工程参数，并通过蒙特卡罗模拟适当考虑建模的不确定性。采用修正的HAZUS损失计算方法考察地震年损失（三个具有 BRBF 和完全和部分自定心结构系统的建筑结构被设计为实现相同的控制最大层间漂移的能力。综合动力分析生成不同地震烈度下的工程参数，并通过蒙特卡罗模拟适当考虑建模的不确定性。采用修正的HAZUS损失计算方法考察地震年损失（三个具有 BRBF 和完全和部分自定心结构系统的建筑结构被设计为实现相同的控制最大层间漂移的能力。综合动力分析生成不同地震烈度下的工程参数，并通过蒙特卡罗模拟适当考虑建模的不确定性。采用修正的HAZUS损失计算方法考察地震年损失（SAL ) 和生命周期成本。分析结果表明，对于开发自定心结构系统以获得更好的生命周期效益，部分自定心行为将是比完全自定心行为更好的选择。此外，降低自定心结构构件的初始成本并控制地板加速度响应对于提高自定心结构系统的生命周期效益并促进其实际应用是必要且紧迫的。