菱形网格支撑框架结构基于性能的抗震设计方法研究

樊春雷1,2,3,包献博1,郝际平1,张海宾3,钟炜辉1,张凯晨1

振动与冲击 ›› 2021, Vol. 40 ›› Issue (23) : 143-151.

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振动与冲击 ›› 2021, Vol. 40 ›› Issue (23) : 143-151.
论文

菱形网格支撑框架结构基于性能的抗震设计方法研究

  • 樊春雷1,2,3,包献博1,郝际平1,张海宾3,钟炜辉1,张凯晨1
作者信息 +

Performance-based aseismic design method for diamond grid braced frame structure

  • FAN Chunlei1,2,3, BAO Xianbo1, HAO Jiping1, ZHANG Haibin3, ZHONG Weihui1, ZHANG Kaichen1
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文章历史 +

摘要

菱形网格支撑框架结构是一种新型的抗侧力支撑结构,在保证边柱安全的情况下,具有较大的刚度、承载能力以及延性,同时相比传统的支撑体系大大减小了支撑面外厚度,方便钢结构住宅支撑结构与外围护的结合。本文提出了菱形网格支撑框架结构的抗侧刚度及抗侧承载力公式,同时根据能量守恒的原理,提出了菱形网格支撑框架结构基于性能的抗震设计方法,考虑支撑对框架梁柱的不利影响,通过拟定的屈服机制对屈服构件进行塑性方法设计,对于非屈服构件采用能力设计方法。采用此方法设计了一栋12层的菱形支撑框架结构,通过动力时程分析与传统的交叉支撑框架进行对比,验证了该方法的正确性,为菱形网格支撑框架结构工程设计提供了参考。

Abstract

Diamond grid braced frames structure(DBF) is a new type of lateral force support structure, which has greater stiffness, bearing capacity and ductility under the condition of ensuring the safety of side columns. Meanwhile, compared with the traditional support system, it greatly reduces the thickness of the supporting surface, which facilitates the combination of the steel structure housing support structure and the peripheral protection. Diamond grid braced frames is proposed in this paper the lateral stiffness of the supporting frame structure and the lateral bearing capacity formula, at the same time, based on the principle of conservation of energy, put forward the diamond mesh support frame structure seismic design method based on performance, considering the negative impact of the support of beam-column through primary yield mechanism for plastic design method of yield components, the capacity design method for the yield components. This method is used to design a 12-storey Diamond grid braced frame structure, and the correctness of the method is verified by comparing the dynamic time history analysis with the traditional cross support frame structure, which provides a reference for the engineering design of Diamond grid braced frame structure.

关键词

基于性能的塑性设计(PBPD / 支撑框架 / 目标位移 / 整体破坏模式 / 设计方法

Key words

performance-based plastic design(PBPD)method / braced frame / target drift / global failure model / design method

引用本文

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樊春雷1,2,3,包献博1,郝际平1,张海宾3,钟炜辉1,张凯晨1. 菱形网格支撑框架结构基于性能的抗震设计方法研究[J]. 振动与冲击, 2021, 40(23): 143-151
FAN Chunlei1,2,3, BAO Xianbo1, HAO Jiping1, ZHANG Haibin3, ZHONG Weihui1, ZHANG Kaichen1. Performance-based aseismic design method for diamond grid braced frame structure[J]. Journal of Vibration and Shock, 2021, 40(23): 143-151

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