Interlayer shear type underground structure shock-isolation shock-absorption system and construction method thereof

Abstract

The invention discloses an interlayer shear type underground structure shock-isolation shock-absorption system. The system comprises an underground structure, all layers of structure bodies of the underground structure are connected through rolling supports, and shear glide can be generated among all the layers of structure bodies; a limiting device is arranged on the side of the underground structure and used for preventing interlayer shear deformation from being too large, a plurality of shock-isolation pads are arranged at the bottom and the side of the underground structure in a matched mode, each shock-isolation pad is correspondingly provided with one supporting column used for providing rigid bearing force for the shock-isolation pad, one end of each shock-isolation pad is fixedly connected with the underground structure, the other end of each shock-isolation pad is fixedly connected with the corresponding supporting column, and the portion between the underground structure and a soil body is filled with foam resin. The system has the advantages that the shock-absorbing effect is good, resonance is avoided, seismic energy transmitting into the structure is limited, the seismic response of the structure is reduced, and safety of the structure is guaranteed.

Description

technical field [0001] The invention relates to the technical field of civil engineering construction, in particular to a shock absorption and isolation system in civil engineering, in particular to an interlayer shear type underground structure isolation and isolation system and a construction method thereof. Background technique [0002] In the past, it was generally believed that underground structures have better seismic performance, but many earthquake disasters around the world have shown that under strong earthquakes, especially after sand liquefaction occurs in the foundation, the existing underground structures are not safe , and sometimes even serious damage. Under the earthquake, the underground structure can absorb and dissipate the seismic energy by the deformation of the structure. When a structure encounters a medium or small earthquake, it is feasible to rely on the structure itself to absorb and dissipate the seismic energy. However, when the underground s...

AI Technical Summary

Problems solved by technology

However, when the underground structure encounters a large earthquake or a very rare earthquake, it is difficult to absorb and consume huge seismic energy by relying entirely on the structure

Therefore, although a strict design is adopted, the safety of the underground structure cannot be ensured in the event of a large earthquake or a very large earthquake exceeding the code design requirements.

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