| 摘要 |
PURPOSE:To prevent the floating of a box body by groundwater by fixing the box body consisting of a bottom, side walls, a ceiling and an entrance to the foundation formed on the bottom of a hole by anchor bolts. CONSTITUTION:A hole 3 is excavated in the ground, and concrete foundation 4 is formed on the bottom of the hole 3. Angle pieces 51 are fixed to anchor bolts 5 buried in the foundation 4, and fixed to the peripheral side of the bottom 11 of a box body 1 consisting of a bottom 11, side walls 12, a ceiling 13 and an entrance 14. The box body 1 is fixed to the foundation 4 to prevent the floating of the box body by groundwater. Concrete 6 is placed to the protruded portion of the upside 41 of the foundation 4 beyond the bottom 11 of the box body 1 to back-fill the surrounding of the side walls 12 of the box body 1. |
