Full Text:   <1385>

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CLC number: TU317

On-line Access: 2017-06-05

Received: 2016-01-16

Revision Accepted: 2016-10-07

Crosschecked: 2017-05-08

Cited: 0

Clicked: 2948

Citations:  Bibtex RefMan EndNote GB/T7714

 ORCID:

Zheng-gang Cao

http://orcid.org/0000-0003-4764-288X

Peng Du

http://orcid.org/0000-0003-2646-9029

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Journal of Zhejiang University SCIENCE A 2017 Vol.18 No.6 P.454-466

http://doi.org/10.1631/jzus.A1600022


Pseudo-dynamic testing of a fabricated composite frame with steel plate shear walls


Author(s):  Zheng-gang Cao, Peng Du, Feng Fan, Zhe-ming Chen

Affiliation(s):  Key Lab of Structures Dynamic Behavior and Control of the Ministry of Education, Harbin Institute of Technology, Harbin 150090, China; more

Corresponding email(s):   pengdu5219@hotmail.com

Key Words:  Fabricated frame, Composite beam, Steel plate shear walls, Pseudo-dynamic test


Zheng-gang Cao, Peng Du, Feng Fan, Zhe-ming Chen. Pseudo-dynamic testing of a fabricated composite frame with steel plate shear walls[J]. Journal of Zhejiang University Science A, 2017, 18(6): 454-466.

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Abstract: 
A pseudo-dynamic testing program was generated on a fabricated composite frame with steel plate shear walls (SPSWs) to study its seismic performance. The specimen was a three-storey single-bay frame, which was composed of H-section steel columns and composite beams, and was assembled by bolted height-adjustable steel beam-to-column connections (BHA connections). Beam-only-connected SPSWs were selected as lateral load resisting members. The specimen was subjected to four ground motions of progressively increasing intensity. The results showed that: (1) beam-only-connected SPSWs provided sufficient lateral load resistance, lateral stiffness, and energy dissipation capacity to the fabricated frame via the tension field action developed in their infill panels; (2) the fabricated frame, assembled by BHA connections, exhibited substantial redundancy and good ductility; (3) an undesirable failure mode of the fabricated frame, in huge earthquakes, included severe cracking in composite beams and block shear failure in SPSWs’ connections; (4) the inter-storey shear force distribution determined by ASCE/SEI 7-10 was verified with experimental data.

In this manuscript, the authors investigated the seismic responses and failure modes of the fabricated steel frame with beam-only-connected steel plate shear walls and composite beams via pseudo-dynamic tests, and provided some design recommendations for this structural system. This experimental investigation is an innovative work, and such an attempt is of great interest.

装配式钢板剪力墙-组合框架结构伪动力试验研究

目的:装配式建造技术以其施工速度快和质量可靠等优点而被广泛采用。本文旨在探讨装配式钢板剪力墙-组合框架结构在不同地震烈度下的响应及失效模式,研究该结构体系的抗震性能,评估设计规范ASCE/SEI 7-10所推荐地震楼层剪力分布模式的合理性。
创新点:1. 通过伪动力试验,研究了装配式组合框架结构的抗震性能;2. 分析了两边连接钢板剪力墙应用于装配式结构体系时的受力性能;3. 评估了设计规范ASCE/SEI 7-10中地震楼层剪力分布的合理性。
方法:1. 通过开展不同地震烈度下的伪动力试验研究,分析装配式钢板剪力墙-组合框架的地震响应和失效模式;2. 通过对比规范公式与试验数据,验证规范地震楼层剪力分布的合理性。
结论:1. 两边连接钢板剪力墙在较小的荷载下屈曲,通过屈曲后形成的拉力带抵抗水平荷载并屈服耗能;2. 由可变梁高装配式钢框架节点拼装而成的装配式组合框架具有稳定的力学性能、
良好的耗能能力以及足够的延性;3. 本文所分析的装配式框架试件在大震下发生了组合梁严重开裂以及钢板剪力墙与组合梁之间螺栓连接冲切破坏的现象,应通过合理设计避免该破坏模式;4. 设计规范ASCE/SEI 7-10所建议的公式可以合理地预测地震楼层剪力分布。

关键词:装配式框架;组合梁;钢板剪力墙;伪动力试验

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