| 摘要 |
A method of forming an irrigation or other liquid conveying channel; said method including the steps of: (a) excavating a trench to a suitable depth, (b) erecting twin opposing walls formed of concrete panels abutting one another; each of said panels provided with first and second configuration flexible sealing members, (c) welding an overlap component of a said first configuration flexible sealing member proximate an edge of a first panel to a second configuration flexible sealing member proximate an edge of a said abutting panel to form a watertight seal between said panels, and wherein said overlap component extends from a surface component of said first configuration flexible sealing member, to overlap a surface component of said second configuration flexible sealing member; each said surface component affixed to surfaces of said panels by at least one anchor component projecting from said surface components and embedded in said concrete panels |
