| 摘要 |
<p>According to this invention, there is provided an improved method for making drain channels comprising the steps of making a drain channel mould using FRP; using said mould and filling said mould with polymer concrete; providing a rod for lifting, strengthening and anchoring into surrounding concrete before pouring o the polymer concrete; providing nuts for tightening said rod to adhere to said mould; providing an edge guard adapted to line the mould through its lateral vertical edges; providing an edge stiffener profile for abutting edge guard to said edge of said mould; and fitting a customized drain outlet before pouring of polymer concrete.</p> |
