| 摘要 |
PURPOSE:To construct an underground room, resistant to water an impermeation effect, in a short time, by a method wherein vinyl bags are inserted into an excavated hole, and after concrete blocks are assembled in the interior and an external protecting material for protecting the bag and an internal protecting material are inserted, the hole is refilled. CONSTITUTION:After foundation concrete is poured in an excavated hole, an external protecting material 3 is laid, a vinyl bag 1 is inserted into the hole, and it is suspended in the shape of a bag from the upper part of the hole. After an internal protecting material 4 is laid on an inner bottom part, concrete blocks, iron materials, or wood structure materials 2 are assembled to form a boxform room. Thereafter, the internal protecting material 4 is inserted into a space between the structure material 2 and the vinyl bag 1, the bag 1 is closed, and after the external protecting material 3 is inserted, the hole is refilled. |
