A combined vibration-isolation rubber bearing with deformation ability

Abstract

The invention relates to the technical field of construction engineering, in particular to a combined shock-isolation rubber bearing with deformability, which includes an upper-layer shock-isolation damping system whose horizontal running directions are perpendicular to each other, a lower-layer shock-isolation damping system, and a shock-isolation damping system arranged under the lower layer shock-isolation damping system. Ordinary shock-isolation rubber bearings, the upper-layer shock-isolation damping system and the lower-layer shock-isolation damping system are provided with a rubber bearing system and a pin key system, and the pin key system includes a wedge plate. When a small earthquake occurs, Ordinary shock-isolation rubber bearings move horizontally in any direction. When a large earthquake occurs, the pin-key system breaks horizontally, releasing the upper-layer shock-isolation damping system and the lower-layer shock-isolation damping system, providing greater energy consumption and damping, increasing The overall support has horizontal deformation capacity, and the rubber support system has a certain recovery deformation capacity. This support is easy to use and does not require special maintenance during operation. The pin key system is easy to replace.

Description

technical field [0001] The invention relates to the technical field of construction engineering, in particular to a combined vibration-isolation rubber bearing with deformation capability used when a super large earthquake occurs. Background technique [0002] Ordinary shock-isolation rubber bearings play an important role in alleviating the damage caused by horizontal earthquakes to buildings and bridge structures. The ability of the ground to prevent horizontal earthquakes from destroying buildings and bridges has been well tested in many actual earthquakes in recent years. However, the isolation rubber bearing is limited by its horizontal deformation capacity during application. Generally, according to the requirements of national standards, its horizontal deformation capacity only needs to meet the maximum deformation requirements of large earthquake design. With the increasing requirements of national standards for seismic isolation structures At the same time, in orde...

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Problems solved by technology

However, the isolation rubber bearing is limited by its horizontal deformation capacity during application. Generally, according to the requirements of national standards, its horizontal deformation capacity only needs to meet the maximum deformation requirements of large earthquake design. With the increasing requirements of national standards for seismic isolation structures At the same time, in order to ensure the safety of the seismic isolation structure, it is required that the seismic isolation structure does not collapse destructively under the action of a super earthquake. It is difficult to meet the above requirements by using a traditional single isolation rubber bearing

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