钢筋混凝土结构直接基于损伤性能目标的抗震设计方法

王丰<A title=

振动与冲击 ›› 2009, Vol. 28 ›› Issue (2) : 128-131.

PDF(1061 KB)
PDF(1061 KB)
振动与冲击 ›› 2009, Vol. 28 ›› Issue (2) : 128-131.
论文

钢筋混凝土结构直接基于损伤性能目标的抗震设计方法

作者信息 +

A Direct Damage-based Seismic Design Methodology for RC Buildings

  • Feng Wang1, Hong-Nan Li2, Ting-Hua Yi2
Author information +
文章历史 +

摘要

摘要:以往基于损伤性能的抗震设计主要是验算评估方法,而这种方法很难有效把握设计结构在地震作用下的损伤程度,于是提出了直接基于损伤性能目标的抗震设计方法。基于累积耗能参数推导了地震下层间最大位移与层间累积耗能的关系方程,并以Park-Ang 双参数损伤准则为基础建立了结构层间损伤计算公式,将结构最薄弱楼层的预期损伤性能目标作为设计起点进行抗震设计,反推结构的刚度和强度。为满足小震下的使用要求,将小震不坏的承载力控制引入设计程序,并与中震、大震下的损伤控制有机结合起来,从而实现了多性能水准的设计思想。最后通过算例详细说明了该方法的使用程序,并证明了该方法具有一定的准确性。

Abstract

Abstract: A seismic design approach is presented where the design procedure attempts to create R.C. buildings with a specified limited objective under a specified level of seismic intensity. The limited objective may be directly defined by limiting damage state of the weakness storey. The famous Park-Ang damage model, constant ductility inelastic response spectra and the conventional seismic design method are combined to determine families of structures whose initial strength and stiffness characteristics will ensure that the desired limited damage performance objective for each seismic level is, as closely as possible, achieved. Furthermore, the applicability of using the parameter for storey response of multiple degree-of-freedom structures is analyzed, and the corresponding equation is established. Finally, a design example shows that the design approach is feasible and accurate.

关键词

损伤指数 / 性能目标 / 正规化累积耗能参数 / 等延性弹塑性反应谱

Key words

Damage index / Performance objective / Dimensionless low-cycle fatigue parameter / Inelastic spectra of constant ductility factors

引用本文

导出引用
王丰<A title=. 钢筋混凝土结构直接基于损伤性能目标的抗震设计方法 [J]. 振动与冲击, 2009, 28(2): 128-131
Feng Wang;Hong-Nan Li;Ting-Hua Yi. A Direct Damage-based Seismic Design Methodology for RC Buildings[J]. Journal of Vibration and Shock, 2009, 28(2): 128-131

" title="Share on Weibo" target="_blank">
PDF(1061 KB)

476

Accesses

0

Citation

Detail

段落导航
相关文章

/