Patent ID: 6939086

Claim:
A steel sheet pile comprising: a flange; a pair of webs, each of said pair of webs being connected at one end thereof to opposite ends of said flange, respectively, so as to be line-symmetric with each other; a pair of arms, each of said pair of arms being connected at one end thereof to another end of said pair of webs, respectively; and a pair of joints, each of said pair of joints being connected to another end of said pair of arms, respectively, wherein the sheet pile has a geometrical moment of inertia I of at least 9,500 [cm 4 /m] and a cross-sectional dimension of said sheet pile meets all of the following inequalities: 890≦B≦920; 280≦Bf≦350; 210≦H≦350; and Bf/ 32.4≦t≦28, where B is an effective width [mm] of said sheet pile, Bf is a width [mm] of said flange, H is a height [mm] of said sheet pile, and t is a flange thickness [mm] of said sheet pile.