Vibration Response Characteristics of Rocking Pillar Base Isolation System Suitable for Masonry Houses

Abstract eng:
In developing countries of seismic area, many people have to live in traditional masonry houses of stones, bricks and concrete blocks. Though collapse of the houses is one of the most tragic losses of human lives, shift of the houses to construction based on modern engineering is difficult by socioeconomic reason. The authors have been developing a new base isolation system suitable for masonry houses utilized rocking pillar foundation. This paper describes structural scheme of the base isolation system and presents results of vibration test of a reduced scale test specimen. Based on the obtained test results, the basic characteristics of vibration response and seismic performance of the newly developed system are discussed. Also, numerical simulation by a developed program is carried out. To verify the validity of the program, the results of shaking table test are compared with those of the corresponding numerical simulation by the program.

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