Suzhou Deers Precision Mold Co., Ltd.

(Fighting earthquake)Seismic Isolation Bearing

(Fighting earthquake)Seismic Isolation Bearing
Product Detailed

Product Specifications:
1,Department of Natural Rubber laminated rubber bearing
2,Heart-shaped lead-rubber bearings

(Fighting earthquake)seismic isolation bearing:

1. Isolation Rubber Bearing’s Principles
       Rubber bearing base-isolated building is a building set between the upper structure with rubber bearings to isolate the upper part of the structure and foundation to play an isolated seismic energy buildings.
 Earthquakes spread the energy in the form of waves. Traditional houses with "rigid anti-seismic" approach by increasing the section size, improving the material strength and earthquake-resistant capability. The drawback can not resist the earthquake, which will make the housing structure damaged, construction costs will be increased also.

Isolation housing is another way to use "soft isolation" method. In the basis and foundation of the building with the isolation layer between the upper and lower, the seismic capability will be improved during the earthquake earth more than 80% of the seismic energy can not pass up and the room will not move.
 Rubber bearings can reduce the seismic action, to eliminate or effectively reduce the structural or non-structural damage. Seismic isolation housing than the traditional safety of housing can increase about 90%. Housing will not be damaged when the quake collapsed, functional system will not be damaged, people do not have to evacuate and business can continue as usual.
   U.S. earthquake experts call it the world's most important results of Earthquake Engineering in the recent 40 years, one of base isolation technology to enable the building not be collapsed in the earthquake is really possible, and thus making the reduction of earthquake disasters be one of the most effective means.

Isolation Technology’s Development and Current Status
   The concept of base isolation was first made by Japanese scholars Kawai, Kozo in 1881.
In 1977, France applied the rubber isolation technology in nuclear reactors for the first time; in 1984, the New Zealand built a four-layer laminated rubber bearing buildings first;
   In 1985 the United States built the first four layers of laminated rubber bearing base-isolated building, California ? San Ding Judicial Affairs Center;
In 1986, Japan completed a five-layer high-tech center building, using lead-rubber bearings.
Currently, there are about more than 30 countries carrying out research in this area, this technology has been used in bridges, buildings, and even nuclear facilities. Up to now, more than 4,000 buildings have been built with rubber-isolated buildings around the world.
 Since 1980, our country has begun the study the research of this area. The study of base isolation is valued in our country, quite a few popular internationally scholars has been studied base isolation system and has made great progress. Now China has built a 1000 Yudong laminated rubber isolation building.
Modern seismic isolation technology has experienced 30-year history, and has been widely used. The application of the current level of isolation technology, has a par with the anti-seismic techniques in Japan and other countries; China has been advanced (in the application area) than Japan.
China's seismic policy is: "Small earthquake won’t make any damage; buildings can be repaired in the more serious one while buildings will not collapse during the most serious earthquake.” Now the house is allowed the construction of earthquake damage, for example the insurance companies basically not include the building earthquake insurance.
Our policy respects "Protecting Life instead of Property” as the basic policy.
The current status of the earthquake is: high-risk cities, rural areas undefended!
"Improving building’s safety reserved." This proposition will be a long-term national policy.



2. Scope of Application

1, hospitals, finance, school, communication, fire control, electricity and other important buildings;

2, placing valuable equipment, apparatus, houses and monuments;

3, and other industrial and civil buildings;

4, urban roads, highways several railway bridges, subway;

5, electrical equipment, isolation devices;

6, the oil floating storage tanks and pipeline release;

7, nuclear power plant;

8, vibration isolation devices.



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