Vibration isolation device for building and subway cover vertical vibration isolation swinging building structure

Abstract

The invention discloses a vibration isolation device for a building and a subway cover vertical vibration isolation swinging building structure. The vibration isolation device for the building comprises a collision pedestal integrally formed at the upper end of a vibration isolation layer lower column, the collision pedestal is of a cone structure, a steel cylinder is embedded into the collision pedestal in the axial direction, an upper end opening of the steel cylinder is provided with a circle of convex edge, the convex edge is overlapped with the upper end opening of the collision pedestal,the lower part in the steel cylinder is provided with a spring and viscous damping liquid, the upper part in the steel cylinder is provided with a spherical hinge supported by a spring, the lower endof the spherical hinge is located on the liquid face of the viscous damping liquid, the upper end of the spherical hinge is connected with a collision reinforced steel plate, a set collision gap is formed between the collision reinforced steel plate and the convex edge of the steel cylinder, the upper end face of the collision reinforced steel plate is in meshed connection with the bottom of an upper building structure frame column, the upper end face of the collision reinforced steel plate is fixedly connected with a plurality of upper pre-buried rivet bolts, and a plurality of limiting steel strands are axially arranged between the peripheral face of the upper end opening of the collision pedestal and the peripheral face of the lower part of the upper building structure frame column inthe circumferential direction. By means of the vibration isolation device for the building and the subway cover vertical vibration isolation swinging building structure, instable failures of the upperstructure are avoided, and the stability of the vertical vibration isolation structure is ensured.

Description

technical field [0001] The invention relates to a building vibration isolation device. In particular, it relates to a vibration isolation device for a building and a vertical vibration isolation swing building structure for a subway upper cover. Background technique [0002] In order to alleviate the pressure of urban ground transportation and improve the efficiency of land use, major cities in my country are building urban rail transit, especially subway rail transit, at an unprecedented speed. As the planning of transportation lines becomes more and more dense, the subway lines under construction in Beijing, Shanghai, Shenzhen, Guangzhou, Tianjin and other places and the planned subway lines have begun to adopt the comprehensive development of subways and properties. The subways and stations will pass through the property plots , forming a new type of commercial and residential complex with a building structure above the subway. This comprehensive property development pr...

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Problems solved by technology

At present, research on the seismic performance of subway superstructure structures is still very scarce at home and abroad. The existing research mainly focuses on the structural design or seismic calculation of specific subway superstructure projects, but does not consider key factors such as environmental vibration and vertical vibration isolation. , the stability problem caused by the horizontal vibration of the structure aggravated by the vertical spring vibration isolation bearing under the earthquake has not been well solved

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