Pull-press self-resetting viscoelasticity energy dissipation support

Abstract

The invention discloses a pull-press self-resetting viscoelasticity energy dissipation support. The support is characterized by comprising an inner cylinder provided with a spring and viscoelasticitymaterials inside and two outer cylinders. Anchorage devices are installed on the two outer cylinders, adapting pieces are installed at one ends of the outer cylinders, sleeves with hole passages are installed on the other ends of the outer cylinders, and baffles are installed in the sleeves; the spring is installed in the inner cylinder sleeved with the outer cylinders at two ends, and two ends ofthe spring are against the baffles in the outer cylinders; the viscoelasticity materials are installed in the gaps of the outer cylinders and the inner cylinder; the inner cylinder is installed on asliding rail through a sliding rod and fixed by nuts; the two outer cylinders and the inner cylinder sleeved the two outer cylinders are fixed by the anchorage devices. Compared with the prior art, the support is simple in structure and easy to assemble; the pull-press self-resetting is achieved, the damping effect is good, the supporting performance is greatly improved, the displacement angle between structure residue layers is effectively reduced, and the repair costs are decreased.

Description

technical field [0001] The invention relates to the technical field of shock absorption and energy dissipation of building structures, in particular to a tension-compression self-resetting viscoelastic energy dissipation support. Background technique [0002] With the acceleration of the urbanization process in our country, the scale of the city is expanding, and the urban building structure is more complicated. In the seismic design, not only the safety of people's lives must be considered, but also the economic loss caused by the damage to the building structure and equipment should be considered. Traditional structures The anti-seismic method is to passively resist the earthquake action by enhancing the anti-seismic performance of the structure itself. Due to the randomness of the earthquake, people cannot accurately estimate the intensity and characteristics of the future earthquake action. In performance-based seismic design, the "maximum deformation" of a building is a...

AI Technical Summary

Problems solved by technology

At present, the support structures mainly include ordinary steel supports and anti-buckling supports, etc. These support structures do not have self-adjustment functions, and the main problems are as follows: ordinary steel supports are prone to buckling deformation when under compression, and the hysteresis curve is obviously asymmetrical during tension and compression ; Although the anti-buckling brace has a good energy dissipation capacity, the residual deformation cannot be eliminated after the earthquake

[0003] Most of the self-resetting supports in the prior art adopt the form of frictional energy dissipation, and there are problems such as easy loosening of bolts and complex structures.

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