第2部分桥梁隔震橡胶支座

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1、ICS83.T40.99G47中华人民共和国国家标准GB20688.2一2006橡胶支座第2部分:桥梁隔震橡胶支座Rubberbearings一PartZ:Elastomericseismic一Protectionisolatorsforbridges(15022762一2:2005，Elastomericseismic一protectionisolators一PartZ:Applicationsforbridges一Specifications，MOD)2006一08一24发布2007一10一01实施中华人民共和国国家质量监督检验检疫总局发布中国国家标准化管理委员会

2、GB20688卫一2006目次前言·······················································44···········································4············⋯⋯m1范围·······························································4···············································⋯⋯12规范性引用文件·····························

3、······················.······································.4⋯⋯，二13术语和定义·····································································································4··一14符号········································································································

4、·······⋯⋯35隔震橡胶支座分类····························································································.⋯⋯55，1按构造分类·····，························································································4····⋯⋯65.2按极限性能分类······················4·····························

5、···················...................⋯⋯65.3按水平等效刚度的允许偏差分类·····································································⋯⋯76要求···············································································································⋯⋯76.1通则········，··，·······················

6、·········································································⋯⋯76.2隔震橡胶支座设计压应力和设计剪应变················································........⋯⋯76.3隔震橡胶支座性能要求·································································...................⋯⋯76.3.1力学性能试验项目···················

7、···························································4····....⋯⋯76.3.2力学性能要求··········，··························································.·····......⋯⋯，，，.⋯86.3.3剪切性能相关性要求························································............................⋯⋯1063.4耐