| 摘要 |
A steel structure having spiral plates is provided to reduce the period and cost of construction and to improve precision of construction by inserting directly to the ground without perforating and grouting, and carrying and keeping easily and producing in commercial quantity. A steel structure(100) having spiral plates contains a steel member(10) having a ground insertion unit(11) formed at a sharp angle to be inserted to the ground easily, many spiral plates(20) formed on the outer circumference of the steel member to have the larger diameter than the steel member, and a coupler(30) connecting steel members having spiral plates with each other. Hereon the steel member and the spiral plate are galvanized to prevent corrosion. |
