Elastic iron backing damping support for bridge and building structure engineering and its installation method

Abstract

The invention relates to a vibration damping support with an elastic iron backing plate for bridges and building structural engineering and an installation method thereof. The vibration damping support comprises a support, wherein the elastic iron backing plate is arranged on the support and is closely and fixedly connected with the vibration damping support through a fastening piece; the elastic iron backing plate comprises an upper steel plate and a lower steel plate; a layer of elastic body is arranged between the upper steel plate and the lower steel plate; the lower surface of the upper steel plate and the upper surface of the lower steel plate are connected with the elastic body so as to form a whole; anchor bolt fixing bolt holes are arranged in the upper steel plate and the lower steel plate; the elastic iron backing plate of the vibration damping support with the elastic iron backing plate is arranged between the support and an anchor plate; or the vibration damping support is obtained through directly improving the support and the originally-designed anchor plate of the support is replaced by the elastic iron backing plate. The support has the advantages of effectively relieving the influence of dynamic load and impact load on the bridges and the building structural engineering bodies, decreasing the stress fatigue of bridges and the building structural engineering bodies, delaying the expansion of fissures and prolonging the service life of the bridges and the building structural engineering bodies.

Description

technical field [0001] The invention relates to a component of structural engineering such as bridges and buildings, in particular to a vibration-damping bearing with an elastic iron backing plate for structural engineering such as bridges and buildings and an installation method thereof. Background technique [0002] Basin rubber bearings and spherical bearings are the most widely used bearings in bridge engineering today. Their function is to transmit the concentrated reaction force of the fulcrum at the end of the beam to the piers more evenly, and at the same time ensure that the bridge span structure is under load or When the temperature changes, it can adapt to the deformation caused by this change, that is, the free rotation of the end and the horizontal expansion and contraction of one end, which basically belong to the category of static force. In addition to rotation, horizontal expansion and contraction, vertical stepless height adjustment can also be realized to ...

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Problems solved by technology

[0002] Basin rubber bearings and spherical bearings are the most widely used bearings in bridge engineering today. Their function is to transmit the concentrated reaction force of the fulcrum at the end of the beam to the piers more evenly, and at the same time ensure that the bridge span structure is under load or When the temperature changes, it can adapt to the deformation caused by this change, that is, the free rotation of the end and the horizontal expansion and contraction of one end, which basically belong to the category of static force. In addition to rotation, horizontal expansion and contraction, vertical stepless height adjustment can also be realized to adapt to foundation settlement; however, the existing basin-type rubber bearings, spherical bearings, and other steel bearings cannot effectively relieve the vibration of dynamic loads impact, thus aggravating the crack generation and expansion of the bridge and building structure engineering body, so it is necessary to improve this

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