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Non-linear interaction between the soil and foundations is one of the means to affect the seismic responses of structure. Focusing on the ductility of the fibers and the elasticity of rubber-chips, authors have developed an artificial geo-material, which is stable up to a high strain region, by mixing cement, rubber-chips from scrap tires, and fibrous materials. This paper discusses the shear mechanism and the properties of the compound based on laboratory studies. Authors also expect that this compound would effect on reducing the environment load since it is made of scrap tires and waste soil generated in construction sites.

Bismuth and niobium based perovskite oxides with non-integer A and B site valences were prepared by a solid-state route. For the A1+xB5xO3 type (Bix/2K1-x/2)(TixNb1-x)O3 (x=0.1 0.9) ceramics (the examples of samples studied), the Curie temperature increased from approximately 250 to 350 °C with increasing x from 0.5 to 0.9. These results were discussed with the Abrahams relations.

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