Learning from Local Wisdom: Friction Damper in Traditional Building

Lumantarna, Benjamin and Pudjisuryadi, Pamuda Learning from Local Wisdom: Friction Damper in Traditional Building. Civil Engineering Dimension.

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    Indonesia is situated in the so called “Ring of Fire” where earthquake are very frequent. Despite of all the engineering effort, due to the March 28, 2005 strong earthquake (8.7 on Richter scale) a lot of modern buildings in Nias collapsed, while the traditional Northern Nias house (omohada) survived without any damage. Undoubtedly many other traditional buildings in other area in Indonesia have survived similar earthquake. Something in common of the traditional building are the columns which usually are not fixed on the ground, but rest on top of flat stones. In this paper some traditional building are subjected to non linear time history analysis to artificial earthquake equivalent to 500 years return period earthquake. This study shows that apparently the columns which rest on top of flat stone acts as friction damper or base isolation. The presence of sliding at the friction type support significantly reduces the internal forces in the structure.

    Item Type: Article
    Subjects: T Technology > TA Engineering (General). Civil engineering (General)
    Divisions: Faculty of Civil Engineering and Planning > Civil Engineering Department
    Depositing User: Pamuda Pudjisuryadi
    Date Deposited: 21 Mar 2013 09:16
    Last Modified: 21 Mar 2013 09:16
    URI: http://repository.petra.ac.id/id/eprint/15716

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