Aluminum stoplogs

A stoplog for use in forming a stoplog gate, said stoplog comprising

• two or more parallel elongate metal members which are shaped and attached to one another so as to form a single rigid hollow structure characterized by two parallel spaced flat faces, a bottom wall, two side walls, and a top wall, with at least one of said faces being substantially impervious to water, and
• sealing means disposed about said at least one water-impervious face along said side walls and said bottom wall, said sealing means comprising (a) at least one bottom groove in said bottom wall, said at least one bottom groove extending along substantially the entire length of said bottom wall and being open at its bottom side, (b) at least one side groove in each of said two side walls, each of said side grooves extending along at least a part of the length of said side walls and being open in a direction perpendicular to said flat faces, and (c) a plurality of resilient strips secured in said bottom and side grooves, with portions of said strips protruding from said grooves and said protruding portions each having a generally flat surface for engaging and forming a watertight seal with adjacent surfaces when said stoplog is disposed in a log-retaining structure.