| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an outdoor drainage facility capable of preventing differential settlement between a building and an outdoor buried drainage system and between outdoor buried drainage systems and constructible at low cost. <P>SOLUTION: The outdoor drainage facility 10 for a countermeasure against differential settlement comprises brackets 13 fixed to the building 11; catch basins 14 made of synthetic resin and receiving drainage from the building, and drain pipes 15 made of synthetic resin and connecting the catch basins to each other, wherein the catch basins 14 and the drain pipes 15 are supported by the brackets 13. A cage 16 formed of wire mesh is arranged to surround the drain pipes 15 with a clearance to the drain pipes, and the inside of the cage 16 is backfilled more coarsely than the outside ground. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
