| 橡胶材料对隔震橡胶支座抗屈曲性能的影响 |
| Influence of Rubber Materials on Buckling Resistance of Isolation Rubber Bearings |
| 投稿时间：2024-03-25 修订日期：2024-03-25 |
| DOI：10.12136/j.issn.1000-890X.2026.01.0049 |
| 中文关键词: 隔震橡胶支座 抗屈曲性能 剪切模量 定伸应力 极限失稳应变 |
| 英文关键词: isolation rubber bearing buckling resistance shear modulus tensile stress at a given elongation ultimate instability strain |
| 基金项目:云南省市一体化项目（202202AH210004） |
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| 中文摘要: |
| 研究橡胶材料对隔震橡胶支座抗屈曲性能的影响。结果表明：采用天然橡胶单用胶料的隔震橡胶支座的抗屈曲性能比采用天然橡胶/顺丁橡胶并用胶料的隔震橡胶支座好；橡胶材料的剪切模量和定伸应力越大，隔震橡胶支座的抗屈曲性能越好；隔震橡胶支座的抗屈曲性能随着压应力增大而降低；在进行建筑设计时，应综合考虑隔震橡胶支座的抗屈曲性能影响因素，对支座的极限失稳应变进行一定的修正。 |
| 英文摘要: |
| 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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