| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a spray concrete finishing device that enables tunnel construction depending on a timbering pattern.SOLUTION: A spray concrete finishing device 1 includes an attachment member 2 that is attached to a tip end of an arm of heavy equipment, a plate-like trowel member 3 that is rotatably supported by a tip end of the attachment member 2, and a weight member 4 that is fixed to a back side of the trowel member 3. A front side of the trowel member has a step so that a central part can protrude with respect to an end or assumes a curved surface where the central part protrudes with respect to the end.</p> |
