| 摘要 |
PURPOSE:To make easier the reinforcing of steel tubes by a method in which through holes through which earth anchors are to be inserted are formed in the peripheral wall of a steel tube into which a solidifying material is to be packed, and a part to control the moving toward the axial direction of the steel tube of the hardened solidifying material is provided at the upper and lower parts of the through holes. CONSTITUTION:Two disc plates 9 having a pathway 7 to allow the passing of cement milk 4 in fluid state and also controlling the movement toward the axial direction of the sheet pile 3 of the hardened milk 4 are attached to the inside of the steel tubular sheet pile 3. The sheet pile 3 is penetrated into an excavated pit charged with the cement milk 4, the ground surrounded by the sheet pile 3 is excavated, and an earth anchor thrust in the sheet pile 3 and a waling member 5 are penetrated into and fixed in the ground 2 to form a sheathing wall 1. By this, the cement milk 4 coming from the lower end opening into the sheet pile 3 flows through the pathway 7 and the moving of the hardened cement milk 4 is suppressed even when a bending moment and shearing force act on the sheet pile 3, whereby ensuring reinforcing to the portions provided with the through holes 10. |
