Abstract
Recently, earth retaining walls composed of ready-made piles have been studied for improving the structural safety of the wall and restricting adjacent ground deformation. However, these walls have been used in a limited manner as temporary retaining walls, without considering the earth pressure reduction effect, which interacts with the building structure. Hence, in this study, the behavior characteristics of earth retaining walls with ready-made concrete and steel piles are analyzed. The earth pressure reduction effect is estimated by quantitatively considering the interaction between the pile retaining wall and building structure. A laboratory model test is carried out to determine the earth pressure reduction effect based on the steel pile installation interval; numerical analysis is conducted for effect analysis based on the retaining wall height and ground condition. The earth pressure at the building structure decreases 15%-49.7% due to the interaction between the pile retaining wall and building structure.
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