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Superelastic self-resetting energy dissipation device

An energy-dissipating device and a self-resetting technology, which is applied to building components and earthquake resistance, can solve the problems of small residual deformation and large residual deformation, and achieve the effect of small residual deformation, strong energy dissipation capacity, and dissipation of earthquake input structural energy

Inactive Publication Date: 2018-03-06
HAINAN UNIV
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Problems solved by technology

[0004] In order to overcome the shortcomings of the large residual deformation after strong earthquakes existing in most metal energy dissipation and shock absorbing devices, the present invention provides a superelastic self-resetting energy dissipation device with small residual deformation after strong earthquakes

Method used

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Embodiment Construction

[0018] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0019] as attached figure 1 and 2 As shown, the present invention is a superelastic self-resetting energy dissipation device, which is mainly composed of a U-shaped groove 1, an inwardly extending steel plate 2, a mild steel energy-dissipating plate 3 and a shape memory alloy cable 4. The U-shaped groove 1 is composed of two It consists of two parallel steel plates and one vertical steel plate. The inner extending steel plate 2 extends into the middle of the U-shaped groove 1 and is parallel to the two parallel steel plates of the U-shaped groove 1. The end of the inner extending steel plate 2 and the vertical steel plate of the U-shaped groove 1 The net distance between them is not less than 5 cm. The mild steel energy dissipation plate 3 is installed between the parallel steel plate of the U-shaped groove 1 and the inner extending steel plate 2, and the sh...

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Abstract

The invention is a superelastic self-resetting energy dissipation device, which belongs to the field of energy dissipation and shock absorption of engineering structures. It is mainly composed of U-shaped grooves, extended steel plates, mild steel energy-dissipating plates and shape memory alloy cables. The U-shaped grooves are composed of two parallel steel plates and one vertical steel plate. The two parallel steel plates of the U-shaped groove are parallel to each other, and the clear distance between the end of the inner extending steel plate and the vertical steel plate of the U-shaped groove is not less than 5 cm. The mild steel energy dissipation plate is installed on the parallel steel plate of the U-shaped groove and the inner extending steel plate. Between them, shape memory alloy cables are cross-symmetrically anchored on both sides of the U-shaped groove and the inner extending steel plate. The invention has a clear concept, is convenient to process, can effectively dissipate the seismic input structure energy during a strong earthquake, and can be widely used in engineering structures that need key seismic fortifications.

Description

technical field [0001] The invention relates to the field of energy dissipation and shock absorption of engineering structures, in particular to a superelastic self-resetting energy dissipation device. Background technique [0002] Installing metal energy-dissipating and shock-absorbing devices in engineering structures to reduce earthquake damage has been proven to be a very effective method of seismic fortification, but most of the current metal-type energy-dissipating and shock-absorbing devices have relatively large residual deformation after earthquakes , needs to be repaired or replaced after the earthquake, resulting in an increase in the cost of the entire life of the structure. [0003] Therefore, it is urgent and particularly meaningful to develop a metal energy dissipation and shock absorbing device with strong energy dissipation capability and small residual deformation after an earthquake. Contents of the invention [0004] In order to overcome the shortcomin...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/98
Inventor 陈云
Owner HAINAN UNIV
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