STRUCTURAL DAMAGE OF DETACHED HOUSES' FOUNDATION CAUSED BY NEIGHBORING EXCAVATION WORKS

This purpose of this study is to present the characteristics of damage of detached houses caused by the neighboring excavation work. Using the field data, we investigated the relationship among the level of damage, the ground deformation and the degree of structural damage in detached houses. Damage was larger in the case when the detached house had the cracks in the continuous footing before excavation. It was also noted that damage increased when the inclination angle of houses to the horizontal was larger than 5/1000,irrespective of whether the continuous footing had reinforced or not.