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本文从唐山地震中少油断路器的实际震害出发,分析其破坏机理,建议采用迭层橡胶垫进行底部隔震,以提高它的抗震能力。本文还扼要介绍了断路器及其减震体系的振动台试验结果,并与理论计算进行了比较。试验和理论分析均表明用橡胶垫进行底部隔震有显著的减震效果,可以在实际工程中使用。
This paper starts with the actual damage of the oil-cut circuit breaker in the Tangshan earthquake and analyzes its damage mechanism. It is recommended that the bottom-isolated is to be used with laminated rubber mats to improve its seismic resistance. This article also briefly introduces the results of shaking table tests for circuit breakers and their damping systems, and compares them with theoretical calculations. Tests and theoretical analysis have shown that the use of rubber mats for bottom shock has a significant shock absorption effect and can be used in practical projects.