Pretreatment method for anchor cable group penetrating through shield driving fracture surface
The invention discloses a pretreatment method for an anchor cable group penetrating through a shield driving fracture surface. The pretreatment method comprises the steps of adopting a warehouse-jumping method to construct an artificial wellhole of a preorder; arranging a working platform at a posit...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a pretreatment method for an anchor cable group penetrating through a shield driving fracture surface. The pretreatment method comprises the steps of adopting a warehouse-jumping method to construct an artificial wellhole of a preorder; arranging a working platform at a position where the anchor cable can be found, cutting off the anchor cable, and arranging a removing tool on the working platform; adopting the removing tool to loosen and drag out the anchor cable; backfilling the artificial wellhole and recovering the ground; adjusting the orientation and the diameter of the artificial wellhole of a postorder according to the residual anchor cable condition of the artificial wellhole of the preorder, but guaranteeing that a plum blossom connection is formed between the artificial wellhole of the preorder and the artificial wellhole of the postorder; repeating the steps above until all the anchor cables are removed. The pretreatment method adopts the warehouse-jumping method to dig the |
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