| 摘要 |
PURPOSE:To mount a reflecting mirror, a sidewalk indicating bar in a lifting hole for lifting and conveying in a state where they can not be removed or tilted by positively utilizing the hole. CONSTITUTION:The method for forming, executing a concrete block comprises the steps of so disposing a lifting hole forming member 2 in a concrete form 1 that end openings of a pair of hole forming pipes 8 are brought into contact with inner surfaces of the form 1, then filling and solidifying concrete mortar in the form 1, releasing the form by inserting a connecting rod 12 of a lifting jig 11 from a drawing hole formed at an upper surface of the block, connecting it to a cylindrical container 6 and the lifting it, then inserting a lifting rod of a lifting jig into a lifting hole formed at a side of the block, lifting it, moving it to an execution site, executing it, and then mounting a reflecting mirror 21 or a sidewalk indicating bar 22 in the visible lifting hole. |
