A non-bonded seismic isolation structure and its construction method

Abstract

Provided are an unbounded seismic isolation structure and a construction method thereof. The structure comprises a foundation, a seismic isolation layer and a bottom ring beam, wherein the foundation, the seismic isolation layer and the bottom ring beam are sequentially connected from bottom to top, the seismic isolation layer is formed by overlapping rubber sheets, fiber sheets and steel wire meshes alternately in parallel, and it is guaranteed that the upper side and the lower side of the seismic isolation layer are provided with the rubber sheets. The construction method of the unbounded seismic isolation structure includes the steps of cutting the seismic isolation layer, excavating a foundation pit for laying of the foundation, laying and pouring a screed-coat, overlapping the seismic isolation layer, binding steel bars of the bottom ring beam, pouring concrete and the like in sequence. Compared with a traditional finished product seismic isolation rubber support, the structure is simple, cost is low, knitting modes and thicknesses of fibers in the fiber sheets of the seismic isolation layer can be adjusted according to actual demands, and therefore seismic capacity of the unbounded seismic isolation structure can be adjusted. The unbounded seismic isolation structure is quite suitable for low-rise buildings in villages and small towns.

Description

technical field [0001] The invention relates to a building shock-isolation structure and a construction method thereof, in particular to a shock-isolation structure suitable for middle and low-rise buildings in villages and towns and a construction method thereof. Background technique [0002] In the design of building structures, the installation of seismic isolation bearings can effectively reduce earthquake disasters. According to the requirements of the national standard "Code for Seismic Design of Buildings" (GB 50011-2010), rubber isolation bearings are usually used as isolation devices. The existing rubber shock-isolation bearing is a finished shock-isolation rubber bearing formed by laminating one layer of steel plates and one layer of rubber, and has good shock-isolation capability. However, the production process of the finished rubber bearing is relatively complicated, and the application cost of the bearing is relatively high. During the construction process, la...

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Problems solved by technology

[0003] The purpose of the present invention is to provide a non-bonded seismic isolation structure and its construction method, to solve the problem of high cost and complicated manufacturing process of the existing finished laminated rubber seismic isolation bearings, which are used for isolation of low-rise buildings in villages and towns. The requirements for on-site installation are complicated, the cost is high, and it is not conducive to the technical problems of promotion and use

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