Experimental and Analytical Assessment of Seismic Behavior of a Traditional Japanese Wooden Shrine Supported By Friction


Abstract eng:
The dynamic response of a traditional Japanese wooden shrine is investigated experimentally by means of a series of shaking table test. Traditional wooden shrines in Japan are in general not fixed to the base and instead of that columns rest on stone bases. Then in case of horizontal loads like earthquakes they are resisted by friction forces developed between bottom part of columns and stone surface of base. First, vibration characteristics of a selected shrine are estimated from ambient vibration measurements and their correspondent Fourier spectrum analysis. Then a reduced scale model was tested on shaking table to investigate its dynamic response when specimen is subjected to pulse wave and sinusoidal wave. To simulate the stone foundation ceramic tiles were used as base considering that selected tile surface has similar characteristics as stone surface. From this shaking table test some equivalent friction coefficient was obtained and it was also verified sliding behavior and in-plant torsion behavior. It is believed that torsion response is due to non-uniform distribution of vertical loads on column s which originates unbalanced friction forces. The equivalent friction coefficient obtained from shaking table test could be used to perform time history response analysis considering friction behavior of base foundation.

Contributors:
Conference Title:
Conference Title:
16th World Conference on Earthquake Engineering
Conference Venue:
Santiago (CL)
Conference Dates:
2017-01-09 / 2017-01-13
Rights:
Text je chráněný podle autorského zákona č. 121/2000 Sb.



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 Record created 2017-01-18, last modified 2017-01-18


Original version of the author's contribution as presented on USB, paper 4038.:
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