Title:
PRESTRESS-FREE DUCTILE STEEL STRUCTURE WITH COMBINATION OF ARTICULATED COLUMN AND ELASTIC RESETTING BEAM
Document Type and Number:
WIPO Patent Application WO/2021/032144
Kind Code:
A1
Abstract:
Disclosed is a prestress-free ductile steel structure with combination of articulated column and elastic resetting beam. The structure comprises an elastic resetting beam and two column-foot-articulated box-type columns. The elastic resetting beam comprises two cantilever-section H-shaped steel beams, an intermediate-section H-shaped steel beam, and buckling-restrained high-strength steel bars, wherein the cantilever-section H-shaped steel beams are fixed on the column-foot-articulated box-type columns; the intermediate-section H-shaped steel beam is connected between the two cantilever-section H-shaped steel beams; and the buckling-restrained high-strength steel bars are symmetrically arranged on two sides of a web along the central axis of the beam, with one end of each buckling-restrained high-strength steel bar being tightly connected to a web of the cantilever-section H-shaped steel beam, and the other end thereof being tightly connected to a web of the intermediate-section H-shaped steel beam. The pre-stress-free ductile steel structure is arranged in a bilaterally symmetrical manner. According to the present invention, after an earthquake, using the elastic restoring force of the buckling-restrained high-strength steel bars, and in cooperation with articulated column feet, the self-resetting of joints and columns as a whole under pre-stress-free conditions is achieved. By means of using spliced angle steel to provide a shear-resistant bearing capacity, the problem of the poor shear-resistant bearing capacity of traditional self-resetting joints is solved.
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Inventors:
ZHAO JUNXIAN (CN)
HAO GUIQIANG (CN)
ZHOU YUN (CN)
CHEN XILONG (CN)
HAN WEI (CN)
SHI XIAONA (CN)
CHI XUEJING (CN)
HAO GUIQIANG (CN)
ZHOU YUN (CN)
CHEN XILONG (CN)
HAN WEI (CN)
SHI XIAONA (CN)
CHI XUEJING (CN)
Application Number:
PCT/CN2020/110149
Publication Date:
February 25, 2021
Filing Date:
August 20, 2020
Export Citation:
Assignee:
OUTH CHINA UNIV OF TECHNOLOGY (CN)
BEIJING BRACE DAMPING ENGINEERING TECH CO LTD (CN)
BEIJING BRACE DAMPING ENGINEERING TECH CO LTD (CN)
International Classes:
E04B1/98; E04B1/24
Foreign References:
| CN110439112A | 2019-11-12 | |||
| CN110080463A | 2019-08-02 | |||
| KR20180072947A | 2018-07-02 | |||
| CN109113189A | 2019-01-01 | |||
| CN109629762A | 2019-04-16 | |||
| CN208701908U | 2019-04-05 | |||
| CN109853733A | 2019-06-07 | |||
| CN109057014A | 2018-12-21 | |||
| JP2002004418A | 2002-01-09 |
Attorney, Agent or Firm:
YOGO PATENT & TRADEMARK AGENCY LIMITED COMPANY (CN)
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