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《Journal of Disaster Pnevention and Mitigation Engineering》 2005-01
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Analysis of the Isolation Properties of Exponential-rigidity Nonlinear Isolation System

LU Hong-biao, YAN Dong-jin, ZHOU Zao-sheng, YAN Shao-hua (Institute of Engineering Corps, PLA Univ. Of Sci. & Tech., Nanjing 210007, China)  
Conventional weapons or earthquake will easily cause serious damages to personnel and facilities in protective structures without shock insulation. Thus,studies on isolation systems would be of considerable importance. However, at the present time, most isolation systems are designed based on linear isolation theory, which are actually working under nonlinear condition. To meet these demands, a most typical nonlinear rigidity system, i.e., exponential-rigidity isolation system has been put forward which can represent the soft or hard characteristics of materials or components for shock insulation by changing the sign of single parameter. Through the analysis of isolation properties on the basis of the mathematical model with the effect of accelerating shocks in the nearby and far range under nuclear explosion, it proves that the rigidity characteristic of the system has a great effect on isolation properties.
【Fund】: 国家人防办资助项目(1995第76号)
【CateGory Index】: TU352.12
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