UNIT FOR FORMING ELEVATOR SHAFT

摘要

PROBLEM TO BE SOLVED: To provide a unit for forming an elevator shaft contributing to improve the efficiency of formation work of the elevator shaft installed in a bank of a dam. SOLUTION: Units 16, 18 which are used for forming an elevator shaft and have a pair of mutually opposing end faces 20 are provided on at least end face on one side and are provided with a plurality of recessed parts 23 for storing a late 27. The recessed part 23 has a depth less than a half of a thickness of the plate 27. The recessed parts are provided on the end face on one side only, and the depths of these recessed parts are smaller than the thickness of the plate.