Suitable Friction Sliding Materials for Base Isolation of Masonry Buildings | Zendy

Radhikesh Prasad Nanda | Zendy; Pankaj Agarwal | Zendy; Manish Shrikhande | Zendy

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Suitable Friction Sliding Materials for Base Isolation of Masonry Buildings

Author(s) -

Radhikesh Prasad Nanda,

Pankaj Agarwal,

Manish Shrikhande

Publication year - 2012

Publication title -

shock and vibration

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.418

H-Index - 45

eISSN - 1875-9203

pISSN - 1070-9622

DOI - 10.1155/2012/106436

Subject(s) - masonry , dissipation , structural engineering , base isolation , displacement (psychology) , geotechnical engineering , limiting , natural rubber , materials science , geology , engineering , forensic engineering , composite material , mechanical engineering , physics , psychology , frame (networking) , psychotherapist , thermodynamics

A feasibility study of friction base isolation system for seismic protection has been performed. Four different sliding interfaces, namely, green marble/High Density Poly Ethylene (HDPE), green marble/green marble, green marble/geosynthetic, and green marble/ rubber layers have been studied through experimental and analytical investigations. The experimental investigations show that the coefficient of friction values of these interfaces lies in the desirable range for seismic protection, i.e., 0.05 to 0.15. The analytical investigation reveals that most of these sliding interfaces are effective in reducing spectral accelerations up to 50% and the sliding displacement is restricted within plinth projection of 75 mm (3 in). Green marble and geosynthetic are found to be better alternatives for use in friction isolation system with equal effectiveness of energy dissipation and limiting the earthquake energy transmission to super structure during strong earthquake leading to a low cost, durable solution for earthquake protection of masonry buildings.

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