| 摘要 |
PURPOSE: A flat slab on floor drainage piping system and a toilet sleeve used for the system are provided to implement an on floor drainage piping system using a typical toilet without downing of a slab and to simplify a construction process by securing a space for a toilet sewer pipe and elbow. CONSTITUTION: A flat slab on floor drainage piping system includes a sewer pipe installation groove, a retaining wall sleeve(130), a waterproofing layer, a rainwater pipe(15), a toilet elbow, a finishing material(70), a tile and a sanitary wares. The sewer pipe installation groove is formed in the bottom of the lower part slab(30) of a PD(20) side wall in the bathroom as thick as a slab plain concrete layer. The retaining sleeve is buried in the lower part of the PD side wall in the end of the sewer pipe installation groove. The water proofing layer is formed in the slab bottom having the sewer pipe installation groove formed. The sewer and toilet elbow are installed in the sewer pipe installation groove to be connected with the retaining sleeve. The finishing material is poured and cured to expose the left top of the toilet elbow and to completely bury the sewer pipe. The tile and the sanitary wares are installed in the top of the finishing material. |
