| 摘要 |
PURPOSE: A drainage insert including a protecting duct and an ingression is provided to smooth a discharge work of pore angle water to increase reliability of a vacuum pressure discrete method. CONSTITUTION: A drainage insert including a protecting duct and an ingression comprises a drain board(10), a connector(20), a protection pipe(30), and an insertion body(40). The drain board comprises a skeleton(12), of which a plurality of drainage passages(11) are perpendicularly segmented, a non-woven fabric(13) installed at the outside of the skeleton, and an impermeably layer formed at an outer surface of an upper part of the non-woven fabric. The connector is installed on a cap(21), to which an upper part of the drain board is inserted, and an end of the cap to be screw-connected with a fastening nut(N) of a connection pipe(C). The protection pipe is installed at the outside of the connector and has a shape that surrounds the connector and the fastening nut from the outside. The insertion body is installed at the inside of the connector and has a shape that supports the interior of the cap at a constant height. |
