Rubber damping pad related introduction

Rubber Damping Pad @ Huai'an Rubber Damping Pad @ Rubber Damping Pad Factory

Rubber damping pad related introduction

Everyone must have some understanding of the rubber cushion. Today, Xiao Bian collects and sorts out the relevant information for everyone, hoping to let everyone have a deeper understanding!

In many base-isolation systems, through a large number of experiments and research, according to the international evaluation criteria for earthquake-isolation systems, rubber shock-absorbing pads have the following performance advantages:

1) The vertical bearing capacity of the system is large. In general, the design value of the vertical bearing capacity of a single seismic isolator can reach several thousand tons, and the ultimate bearing capacity can reach tens of thousands of tons.

2) The seismic isolation layer of the system has a stable elastic reset function that can automatically reset in multiple earthquakes. This is totally incomparable with the friction-sliding system.

3) The isolator has good durability, anti-low cycle fatigue performance, anti-hot air aging, anti-ozone aging, acid resistance and water resistance. Through the various types of performance test of the product test specimens, its service life is 60 to 80 years. Japan has used a 10-year-old shockproof rubber mat base isolation building to replace all kinds of isolator. The performance test found that its various indicators had little change from 10 years ago. 137-8585-5258 pay

Although there are many obvious advantages in the seismic isolation structure of the shockproof rubber cushion, during the course of the research, it was found that the system has strict requirements in terms of dynamic performance. No matter whether it is from design or construction, it is very different from the traditional non-isolated structure. .

1) The dynamic characteristics of the base-isolated structure of the shock-proof rubber mat not only vary with the type of structural system, but also has a lot to do with the installation location of the isolator. Therefore, it is necessary not only to carry out special concept design during design. , And should carry on the dynamic analysis from many angles, reasonably, accurately grasps its dynamic response, can guarantee to make the reliable design.

2) In the isolation structure, in order to achieve the “isolation” between the superstructure and the ground, attention must be paid to the structural treatment of some key parts. For example, the isolation of the bottom stair and the main structure, the up and down water, gas, heating and distribution pipeline crossing The problem of flexibility in the isolation layer, on the one hand, can cause immense disasters in the earthquake.

3) In addition, the seismic isolation layer of the shockproof rubber mat base isolation system requires strict construction. The displacement of the seismic isolation layer must not be disturbed or constrained by any reason, and it must not damage the isolator during construction. Attachment, and require that the isolator be installed with a high level to ensure that the seismic isolation layer can be displaced horizontally and reset instantaneously.


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