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公路桥梁用三元乙丙橡胶板式支座力学性能研究

LI Jinhang,LI Yi,LYU Pengfei, SUN Fengyuan, SUN Kaiwen,ZHU Xiaowei,CHEN Yongqian,TANG Changyu,JIANG Qi

China Rubber Industry（2021）

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Abstract
依据现行设计规范JT/T 4-2019《公路桥梁板式橡胶支座》,设计并试制了三元乙丙橡胶(EPDM)板式支座,并结合试验与数值模拟技术,研究该支座的弹性模量和在最不利工况组合下的力学行为特征.结果 表明:EPDM板式支座的弹性模量满足规范要求;在最不利工况下板式支座的橡胶层与钢板之间未出现脱开现象,满足工程设计要求.
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