Tension-pressure equal-strength type metal energy consumption re-centering damper and installation and using method thereof

Abstract

The invention belongs to the technical field of civil engineering, and particularly relates to a tension-pressure equal-strength type metal energy consumption re-centering damper and an installation and using method thereof. The tension-pressure equal-strength type metal energy consumption re-centering damper comprises a cylinder body, a guide rod, a first metal corrugated pipe, a belleville spring set, a pressure sensor and a second metal corrugated pipe, wherein the first metal corrugated pipe, the belleville spring set, the pressure sensor and the second metal corrugated pipe are connectedto the guide rod, the guide rod is connected with the cylinder body through a first connecting plate, a first limiting plate, a first connecting bolt and a third connecting bolt, a first lug plate anda second lug plate are arranged on the cylinder body and the guide rod respectively, and the first lug plate and the second lug plate are connected to the stress positions of a building structure. The tension-pressure equal-strength type metal energy consumption re-centering damper can be applied to the fields of shock absorption control of building and bridge structures, rapid recovery of the using function of the structure after an earthquake and the like, the metal corrugated pipes are used for energy consumption, the energy consumption capacity of the metal corrugated pipes is stable, theenergy consumption mechanism is clear, the out-of-plane instability problem does not exist during stress, and the tension-pressure equal-strength type metal energy consumption re-centering damper hasgood application prospects in the field of the civil engineering.

Description

technical field [0001] The invention belongs to the technical field of civil engineering, and specifically relates to a tension-compression equal-strength metal energy-dissipating self-resetting damper and its installation and use method, which can be applied to the shock absorption control of buildings and bridge structures and the rapid recovery of structural functions after earthquakes, etc. field. Background technique [0002] The recoverable functional structure adopts a new seismic design concept, which requires that the structure can quickly restore its function after the earthquake under the premise of protecting life, and reduce the economic loss caused by the earthquake and the impact on people's normal life and production. The feature of this structural system is that it can restore its function after the earthquake without repair or minor repair in partial use, so it is easy to build and maintain, and has high cost-effectiveness throughout its life. Self-resetti...

AI Technical Summary

Problems solved by technology

The principle of the method based on friction energy dissipation is clear. The structure of the damper is relatively simple, but under the action of reciprocating load, the friction interface will gradually become smooth, and the friction coefficient will change, thereby reducing the friction force and resulting in unstable energy dissipation capacity. Reduced reliability during long-term use

The energy dissipation method using the yield deformation of metal elements with specific shapes has stable energy dissipation capacity and clear energy dissipation mechanism, but the damper made by this method has asymmetric tension and compression, and the earthquake action is a reciprocating random load, so , the damper is required to exhibit the same characteristics under tension and compression

The method of using magnetorheological fluid to consume energy needs to provide a changing magnetic field by controlling the change of current to obtain the control force. This method requires a specific control path, which makes the structure of the magnetorheological damper relatively complicated. , In addition, the use of magnetorheological fluid makes it difficult to seal energy-consuming components, and problems such as liquid leakage are prone to occur

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