Adjustable traffic vibration prevention support and vibration prevention method thereof

Abstract

The invention discloses an adjustable traffic vibration prevention support and a vibration prevention method thereof. A height adjusting base is connected to the interior of a bottom basin through a thread, a grouting hole is formed in the bottom basin, a grout overflow hole is formed in the height adjusting base, and a vertical vibration isolation device is fixedly installed on the height adjusting base through a middle connecting plate; before an upper building structure is arranged, the vertical vibration isolation device is supported through adjusting bolts, after the upper building structure is installed, the height of the adjusting bolts is decreased, and then the pressure of the upper building structure is slowly exerted to the vertical vibration isolation device; height leveling isachieved by increasing the height of the height adjusting base, grouting liquid is injected into a gap between the height adjusting base and the bottom basin, and then steady supporting is achieved;and when the bearing capacity of the upper building structure is different, the rigidity of all vibration isolation supports can be adjusted through the height adjusting base, and finally the overallfrequency is same. The adjustable traffic vibration prevention support is suitable for various different building structures and has the characteristics of being stable in vibration isolation performance, reliable, durable and the like.

Description

technical field [0001] The invention relates to the field of building structures in civil engineering, in particular to an adjustable anti-traffic vibration bearing and an anti-vibration method thereof. Background technique [0002] At present, with the rapid development of the subway transportation system, while the rail transit undertakes the task of urban transportation, it also has an impact on the surrounding buildings and residents along the line. Vibration has also become the most widely recognized public hazard. In addition to affecting and destroying transportation, buildings and equipment, it can also directly cause harm to the human body. [0003] For the mainly vertical structural vibration caused by rail traffic, the current vibration isolation control methods mainly focus on vibration source control (such as using floating slab tracks, etc.) and propagation process control (such as digging vibration isolation trenches, etc.) host. However, if the building is ...

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Problems solved by technology

[0005] Although the existing three-dimensional seismic isolation and vibration reduction devices have achieved the three-dimensional seismic isolation and vibration reduction effect to a certain extent, in many cases only the support is required to provide the vibration reduction effect, and there is no need to isolate the horizontal seismic action; at the same time, for different buildings In terms of structure, the force carried by the columns is different. If the rigidity of the vibration isolation support is to be the same, then the compression amount of the butterfly spring will be different. Therefore, the vibration isolation support must have a height adjustment function.

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