| 摘要 |
PROBLEM TO BE SOLVED: To suppress an underground excavation volume, reduce construction costs and curtail a construction period, at the same time ensuring construction quality.SOLUTION: A base-isolated building 1 is provided that is structured to include: an earth retaining wall installed as an earth retaining part of a core foundation part 2A; a temporary slab concrete connected at an upper edge of the earth retaining wall, the temporary slab concrete functioning as a permanent facility by being embedded in a mat slab 3B installed on a peripheral foundation part 2B; a temporary steel column 6 installed at a foundation bed of the core foundation part 2A, the temporary steel column functioning as a permanent facility by being embedded in a mat slab 3A installed on the core foundation part 2A; a core seismic isolator 7A installed on the mat slab 3A of the core foundation part 2A; and an intermediate seismic isolator 7B installed on structural steel on a floor above ground of a core peripheral part 1B.SELECTED DRAWING: Figure 1 |
