Dynamic Tests of Energy Dissipation Structure with Unconsolidated Conical Bearings

Abstract:

In this paper, an unconsolidated conical bearing composed of PTFE and natural rubber is introduced. Experimental study on compressive property of unconsolidated conical bearings is conducted. Origin vertical stiffness and standard vertical stiffness of unconsolidated conical bearings are calculated. The sinusoidal shaking table tests study on a 5-story steel frame isolated structure with unconsolidated conical bearings containing polyurethane damping material or not are carried out. The results show that the unconsolidated conical bearing has good capacity of dissipating energy under pure compressive loading. The amplification coefficient of structural response with unconsolidated conical bearings containing polyurethane is approximately 1.3 and that without polyurethane is approximately 1.8. Energy dissipation structures with the new unconsolidated conical bearings in shock absorption are better than traditional structures.

• Periodical: Applied Mechanics and Materials (Volumes 490-491)
• Pages: 1596-1601
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.490-491.1596
• Online since: January 2014
• Authors: Qiao Rong Yang, Ling Zhi Zeng, Yan Guo
• Keywords: Compressive Property, Shaking Table Test, Unconsolidated Bearing

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