| 摘要 |
PURPOSE:To prevent the land slide of surface ground by a method in which a tension steel member is inserted into a hollow pile driven into the surface ground and extended into the stable ground so as to fix it to the surrounding stable ground, and then a prestress is introduced into the tension steel member. CONSTITUTION:A hollow pile 4 is driven into the ground 1A to be treated and further penetrated into a satable ground 1 B deeper than an imaginary land slide line 2, land then a tension steel member 5 is inserted into the hollow pile 4. Then, a grout is injected through an injection tube 7 into the surrounding ground to form an anchor footing 11 for fixing the tension steel member 5 to the surrounding ground. Then, PC steel material 8 is tensed and fixed on the basis of a tension fixing seat plate 14, and also a grout 12, e.g., cement mortar, etc., is packed into the hollow pile 4. |
