To prevent penetration into an indoor section of spring water from the outside while shortening the term of works and extending the underground indoor space of a building.
The panel 10 for the forms is constituted while having a rectangular-shaped panel body 11, drain gutters 12 formed extending between the upper end section 111a and lower end section 111b of the panel body 11 on one surface side of the panel body 11, water-permeable cloch 16 installed so as to cover the drain gutters 12 on one surface of the panel body 11. The underground exterior wall is configured of a concrete wall formed on the outside of the wall surface of a landslide protection wall and a plurality of the panels 10 arranged under the state, in which the panels 10 are fixed onto a concrete wall on the reverse side to the landslide protection wall of the concrete wall. The water-permeable cloth 16 side is fixed onto the concrete wall under the state, in which the cloth 16 sides are directed towards the concrete wall, in the panels 10 at that time.
| JPH07508326 | [Title of the Invention] Adjustable concrete formwork device |
| JP2706753 | FORM |
FUKUDA KOJI
KATAMOTO TAKESHI
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