A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Negative-rigidity seismic isolation support
The invention discloses a negative-rigidity seismic isolation support. The negative-rigidity seismic isolation support comprises a first supporting base, a second supporting base and a joint sliding block arranged between the first supporting base and the second supporting base. A curved surface A is arranged on the first supporting base, and a curved surface B is arranged at the end, close to the first supporting base, of the joint sliding block. A curved surface C is arranged at the end, close to the second supporting base, of the joint sliding block, and a curved surface D is arranged on the second supporting base. An opening of the curved surface D is formed towards the first supporting base, and the direction of the opening of the curved surface D, the direction of an opening of the curved surface C, the direction of an opening of the curved surface B and the direction of an opening of the curved surface A are coincident. As the curved surface C is matched with the curved surface D, the joint sliding block can rotate relative to the second supporting base while sliding on the first supporting base; the negative-rigidity seismic isolation support can generate horizontal negative rigidity when the joint sliding block slides on the first supporting base, and it is guaranteed that the rotating angle of the top face of the second supporting base meets the upper structure requirement when the joint sliding block rotates relative to the second supporting base. The negative-rigidity seismic isolation support can be connected with a common positive-rigidity seismic isolation support in parallel in a combined mode, and the aim of the better seismic isolation effect can be achieved.
Negative-rigidity seismic isolation support
The invention discloses a negative-rigidity seismic isolation support. The negative-rigidity seismic isolation support comprises a first supporting base, a second supporting base and a joint sliding block arranged between the first supporting base and the second supporting base. A curved surface A is arranged on the first supporting base, and a curved surface B is arranged at the end, close to the first supporting base, of the joint sliding block. A curved surface C is arranged at the end, close to the second supporting base, of the joint sliding block, and a curved surface D is arranged on the second supporting base. An opening of the curved surface D is formed towards the first supporting base, and the direction of the opening of the curved surface D, the direction of an opening of the curved surface C, the direction of an opening of the curved surface B and the direction of an opening of the curved surface A are coincident. As the curved surface C is matched with the curved surface D, the joint sliding block can rotate relative to the second supporting base while sliding on the first supporting base; the negative-rigidity seismic isolation support can generate horizontal negative rigidity when the joint sliding block slides on the first supporting base, and it is guaranteed that the rotating angle of the top face of the second supporting base meets the upper structure requirement when the joint sliding block rotates relative to the second supporting base. The negative-rigidity seismic isolation support can be connected with a common positive-rigidity seismic isolation support in parallel in a combined mode, and the aim of the better seismic isolation effect can be achieved.
Negative-rigidity seismic isolation support
XIONG SHISHU (author) / JI HAN (author) / HUANG LITING (author) / JIANG HOUSHAN (author) / DUAN WENTAO (author)
2015-09-23
Patent
Electronic Resource
English
Rigidity-controllable seismic-isolation support utilizing gravitational negative rigidity
| European Patent Office | 2018
RIGIDITY-CONTROLLABLE SEISMIC-ISOLATION SUPPORT UTILIZING GRAVITATIONAL NEGATIVE RIGIDITY
| European Patent Office | 2017
| European Patent Office | 2018
| European Patent Office | 2017
Tensile variable-rigidity vertical seismic isolation support and using method thereof
| European Patent Office | 2024