华南理工大学学报(自然科学版) ›› 2019, Vol. 47 ›› Issue (8): 16-22.doi: 10.12141/j.issn.1000-565X.180561

• 土木建筑工程 • 上一篇    下一篇

热氧老化作用下废旧叠层轮胎隔震垫的力学性能

张广泰 陆东亮 魏飞来 张晓旭 曹银龙   

  1. 新疆大学 建筑工程学院,新疆 乌鲁木齐 830047
  • 收稿日期:2018-11-12 修回日期:2019-03-29 出版日期:2019-08-25 发布日期:2019-08-01
  • 通信作者: 张广泰(1963-),男,教授,硕士生导师,主要从事新型材料和减隔震研究. E-mail:zgtlxh@126.com
  • 作者简介:张广泰(1963-),男,教授,硕士生导师,主要从事新型材料和减隔震研究.
  • 基金资助:
    国家自然科学基金资助项目(201504101182)

Mechanical Properties of Scrap Tire Rubber Pads Based on Thermal Oxygen Aging

ZHANG Guangtai LU Dongliang WEI Feilai ZHANG Xiaoxu CAO Yinlong   

  1. School of Architecture and Engineering,Xinjiang University,Wulumuqi 830047,Xinjiang,China
  • Received:2018-11-12 Revised:2019-03-29 Online:2019-08-25 Published:2019-08-01
  • Contact: 张广泰(1963-),男,教授,硕士生导师,主要从事新型材料和减隔震研究. E-mail:zgtlxh@126.com
  • About author:张广泰(1963-),男,教授,硕士生导师,主要从事新型材料和减隔震研究.
  • Supported by:
     Supported by the National Natural Science Foundation of China(201504101182)

摘要: 为研究废旧叠层轮胎隔震垫(STP)的老化性能,选取180mm ×180mm ×69mm 的 6 层 STP,利用老化试验箱在 100℃下对试件分别进行 77、154、231、308h 的热空气加速老 化试验,通过对比 STP 老化前后的竖向极限强度、竖向压缩刚度、水平刚度和水平耗能能 力,分析了其随老化时间的变化规律. 结果表明,在建筑结构使用期限内,STP 的力学性能 稳定,具有可靠的隔震性能.

关键词: 废旧叠层轮胎隔震垫, 热氧老化, 力学性能, 时变规律

Abstract: The 6-layer scrap tire rubber pads (STP) of 180mm ×180mm ×69mm were selected to study the aging performance of STP. Accelerated aging tests of specimens were carried out in a temperature-controlled weathering chamber at 100℃ for 77h,154h,231h,308h. By comparing the vertical ultimate strength,vertical compression stiffness,horizontal stiffness and horizontal energy dissipation capacity of STP before and after aging,the variation law of the vertical ultimate strength,vertical compression stiffness and horizontal energy dissipation capacity with aging time was analyzed. The results show that within the normal age of the buildings the mechanical properties of STP are stable and the seismic isolation is reliable.

Key words: scrap tire rubber pads, thermal oxygen aging, mechanical properties, time-varying regularity

中图分类号: