LONGITUDINAL JOINT STRUCTURE OF HAT-TYPE STEEL SHEET PILES, LONGITUDINAL JOINT HAT-TYPE STEEL SHEET PILE UNIT, AND STEEL WALL

摘要

There is provided a longitudinal joint structure for hat-type steel sheet piles, in which a first hat-type steel sheet pile and a second hat-type steel sheet pile are coupled by causing end surfaces thereof in a member axis direction to butt each other. The longitudinal joint structure for hat-type steel sheet piles includes a first engagement target portion that protrudes outward from a side surface of the first hat-type steel sheet pile, and an installation portion that is provided on a side surface of the second hat-type steel sheet pile and locks the first engagement target portion of the first hat-type steel sheep pile in the member axis direction.