本发明涉及钢管桩的防腐结构。 它具有附着在钢管桩和组合构件的外周边缘上的覆盖材料。 上述覆盖材料包括：底盖; 无1.扩展部分; 没有2.延长部分; 翅膀和延伸组合部分。 底盖覆盖上述覆盖材料，并且一端朝向另一端。 上述1号延伸部分连接在底盖的一侧，并在垂直方向上延伸到外周边缘的上方。 上述2号延伸部分连接到底盖的另一端并在垂直方向上延伸。 上述翼从底盖的一端延伸到2号延伸部分的一端。 上述延伸组合部分具有接收1号延伸部分的端部的接收槽。 上述组合构件通过1号延伸部分和2个延伸部分沿垂直方向固定。

How the steel pipe pile structure includes a coating material which is attached to the outer periphery of the steel pipe pile, a protective cover, and the fastening member. The protective cover includes a base cover, a first extension, a second extension part, the wings, and the coupling portion extends. The base cover has a one end and another end which surrounds the coating material, facing each other. The first extended portion connected to said one end of the base cover and extend in a vertical direction perpendicular to the outer periphery of the covering. The second extending portion is connected to the other end of the base cover and extend in the vertical direction. The wings are extended towards the end of the second extending portion from one end of the first extension. The extension engaging portion provided with a receiving groove for receiving the other end of the first extending portion. The fastening member is fastened to pass through in a horizontal direction perpendicular to the vertical direction of the first extending portion and the second extending portion.