| Influence of Rubber Materials on Buckling Resistance of Isolation Rubber Bearings |
| Received:March 25, 2024 Revised:March 25, 2024 |
| DOI：10.12136/j.issn.1000-890X.2026.01.0049 |
| Key Words: isolation rubber bearing；buckling resistance；shear modulus；tensile stress at a given elongation；ultimate instability strain |
| Author Name | Affiliation | E-mail | | LI Jinbao* | Quakesafe Technologies Co.，Ltd | lijb@zhenanpro.com | | ZHAO Qingbing | Quakesafe Technologies Co.，Ltd | | | ZHAO Chenxu | Quakesafe Technologies Co.，Ltd | | | ZHAO Runmei | Quakesafe Technologies Co.，Ltd | |
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| Abstract: |
| The influence of the rubber materials on the buckling resistance of the isolation rubber bearings was studied.The results showed that the buckling resistance of the isolation rubber bearing with natural rubber single using compound was better than that of the isolation rubber bearing with natural rubber and butadiene rubber blending compound.The larger the shear modulus and the tensile stress at a given elongation of rubber material was，the better the buckling resistance of the isolation rubber bearing was.However，the buckling resistance of the isolation rubber bearing decreased with the increase of the compressive stress.Therefore，when conducting architectural design，the influencing factors of the buckling resistance of the isolation rubber bearing should be considered comprehensively，and certain corrections should be made to the ultimate instability strain of the supports bearing. |
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