可恢复功能的预应力装配式钢框架动力弹塑性分析

张艳霞1,2,费晨超1,宁广1,李振兴1

振动与冲击 ›› 2016, Vol. 35 ›› Issue (18) : 101-110.

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振动与冲击 ›› 2016, Vol. 35 ›› Issue (18) : 101-110.
论文

可恢复功能的预应力装配式钢框架动力弹塑性分析

  • 张艳霞1,2,费晨超1,宁广1,李振兴1
作者信息 +

DYNAMIC ELASTO-PLASTIC ANALYSIS OF RESILIENT PRESTRESSED PREFABRICATED STEEL FRAME

  • ZHANG Yan-xia1,2, FEI Chen-chao1,NING Guang1,Li Zhen-xing1
Author information +
文章历史 +

摘要

针对提出的可恢复功能的预应力装配式钢框架结构体系,采用ABAQUS软件对其整体结构进行了模态分析和动力弹塑性分析,并与刚接框架及可恢复功能的预应力钢框架在不同水准地震动下的楼层基底剪力、层间位移角、残余位移角、等效塑性应变以及结构耗能等性能进行对比分析。研究表明:可恢复功能的预应力装配式钢框架在8度多遇、设防地震作用下基本保持弹性,在8度罕遇地震时结构主要依靠阻尼耗能和摩擦阻尼器耗能,非弹性耗能相对较少,减少了主体结构的塑性发展和损伤程度,具有良好的抗震性能和恢复结构功能的能力。可恢复功能的预应力装配式钢框架在层间位移角控制和减少主体结构塑性性能方面优于可恢复功能的预应力钢框架。

Abstract

In view of the proposed resilient prestressed prefabricated steel frame structural system, the modal analysis and the dynamic elasto-plastic analysis of the integral structure are investigated by ABAQUS, as well as the comparative analysis of base-shear force, story drift, residual story drift, equivalent plastic strain and energy dissipation with rigid steel frame and resilient prestressed steel frame under different seismic levels. The research indicates that, the resilient prestressed prefabricated steel frame still keepselastic under 8 degree frequent and design earthquake. The energy dissipation of the structure depends on the damping and friction dissipation damper under the 8 degree rare earthquake, minor portion for inelasticity relatively, which reduces the main structure plastic development and damage. Resilient prestressed prefabricated steel frame has the better seismic behavior than resilient prestressed steel frame.

关键词

可恢复功能结构 / 预应力装配式钢框架 / 预应力钢框架 / 动力弹塑性分析 / 双旗帜滞回模型

Key words

resilientstructure / prestressed prefabricatedsteel frame / prestressedsteelframe / dynamicelasto-plasticanalysis / double-flag hysteresis loop

引用本文

导出引用
张艳霞1,2,费晨超1,宁广1,李振兴1. 可恢复功能的预应力装配式钢框架动力弹塑性分析[J]. 振动与冲击, 2016, 35(18): 101-110
ZHANG Yan-xia1,2, FEI Chen-chao1,NING Guang1,Li Zhen-xing1. DYNAMIC ELASTO-PLASTIC ANALYSIS OF RESILIENT PRESTRESSED PREFABRICATED STEEL FRAME[J]. Journal of Vibration and Shock, 2016, 35(18): 101-110

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