In recent years, various types of elastomeric isolators are used for seismic isolated buildings globally. International standards for elastomeric seismic-protection isolators, ISO 22762 were first developed in 2005, and this standard has been revised through a systematic review to issue the 3rd edition now (3rd edition was issued in October 2018). This paper describes breaking test results of elastomeric isolators to investigate the ultimate property (breaking limit) of isolators used for buildings around the world. Shear displacement capacity is one of the most important parameters of elastomeric isolators, and these tests results are useful for our proposal of the introduction of a classification system (classification of isolators according to their performance) to ISO 22762 in the near future. Breaking tests were carried out on 11 isolators produced in five countries. The isolators having diameters of around 800 mm, and the total rubber heights of around 160 mm were tested with increasing shear strain under constant compressive stress using a multi-axial testing system. The breaking shear strain was distributed between 300 and 450% or more.

中文翻译：

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各种建筑用弹性防震隔离器的剪切位移能力的国际研究

近年来，全球各种类型的弹性体隔离器被用于地震隔离的建筑物。弹性抗震隔离器的国际标准ISO 22762于2005年首次制定，并且已通过系统审查对该标准进行了修订，现已发布了第三版（第三版于2018年10月发布）。本文介绍了弹性隔离器的断裂测试结果，以研究世界各地用于建筑物的隔离器的最终性能（断裂极限）。剪切位移能力是弹性体隔离器最重要的参数之一，这些测试结果对于我们在不久的将来向ISO 22762引入分类系统（根据其性能对隔离器进行分类）的建议很有用。在五个国家生产的11个隔离器上进行了断裂测试。使用多轴测试系统在恒定压应力下以增加的剪切应变测试直径约为800毫米，总橡胶高度约为160毫米的隔离器。断裂剪切应变分布在300％至450％或更高之间。