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Author:

He, Haoxiang (He, Haoxiang.) (Scholars:何浩祥) | Wang, Xiaobing (Wang, Xiaobing.) | Zhang, Xiaofu (Zhang, Xiaofu.)

Indexed by:

Scopus SCIE

Abstract:

In view of the disadvantages such as higher yield stress and inadequate adjustability, a combined low yield point steel plate damper involving low yield point steel plates and common steel plates is proposed. Three types of combined plate dampers with new hollow shapes are proposed, and the specific forms include interior hollow, boundary hollow, and ellipse hollow. The "maximum stiffness" and "full stress state" are used as the optimization objectives, and the topology optimization of different hollow forms by alternating optimization method is to obtain the optimal shape. Various combined steel plate dampers are calculated by finite element simulation, the results indicate that the initial stiffness of the boundary optimized damper and interior optimized damper is lager, the hysteresis curves are full, and there is no stress concentration. These two types of optimization models made in different materials rations are studied by numerical simulation, and the adjustability of yield stress of these combined dampers is verified. The nonlinear dynamic responses, seismic capacity, and damping effect of steel frame structures with different combined dampers are analyzed. The results show that the boundary optimized damper has better energy-dissipation capacity and is suitable for engineering application.

Keyword:

Author Community:

  • [ 1 ] [He, Haoxiang]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 2 ] [Wang, Xiaobing]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 3 ] [Zhang, Xiaofu]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China
  • [ 4 ] [He, Haoxiang]Beijing Collaborat Innovat Ctr Metropolitan Trans, Beijing 100124, Peoples R China

Reprint Author's Address:

  • 何浩祥

    [He, Haoxiang]Beijing Univ Technol, Beijing Key Lab Earthquake Engn & Struct Retrofit, Beijing 100124, Peoples R China;;[He, Haoxiang]Beijing Collaborat Innovat Ctr Metropolitan Trans, Beijing 100124, Peoples R China

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Source :

ADVANCES IN MATERIALS SCIENCE AND ENGINEERING

ISSN: 1687-8434

Year: 2016

Volume: 2016

ESI Discipline: MATERIALS SCIENCE;

ESI HC Threshold:305

CAS Journal Grade:4

Cited Count:

WoS CC Cited Count: 17

SCOPUS Cited Count: 17

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 2

Online/Total:1109/10619805
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