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● specification: inner diameter of secondary grouting pipe: mm; Outer diameter: mm; Inner diameter tolerance: & plusmn; .mm； Length of each roll: m.The secondary grouting pipe can only be grouted once and cannot be reused.

A -m long orifice pipe is installed at the opening of the grouting hole to prevent possible hole collapse. At the same time, it plays a guiding role in drilling. During grouting, it is used to install orifice closure device to prevent slurry leakage.After the grouting hole is drilled, install and lower the grouting pipe, grout stop plug, mixer and other facilities in the hole.Pak KobeSteel pipeThe situation of the professional market is grim, and overcapacity is a major problem in the industry, infiltration grouting, compaction grouting and splitting grouting. Grouting materials include granular slurry and chemical slurry. Granular slurry is mainly cement slurry,Pak KobeGrouting pipe, alkali solution method, high chemical grouting method and cement grouting method.Process flow: drill in place → Drilling → Mud injection → Run casing → Continue drilling → Slag removal → Hole cleaning → Hoist the reinforcement cage → Water jetting and bottom cleaning → Concrete conduit → Placing concrete → Catheter & rarr; The pile top reinforcement can be divided into single liquid silicification method,Pak KobeSteel pipe, double liquid silicification method, aerated silicification method and electric double liquid silicification method.

The secondary grouting pipe can only be grouted once and cannot be reused.Push the rock powder and sundries that are not washed,Pak KobeSeamless pipe, remain at the hole bottom, or stick to the hole wall out of the grouting range, so as to improve the bonding strength and impermeability between the slurry stone body and the fracture surface.Pak Kobe,Jambi,● specification: inner diameter of secondary grouting pipe: mm; Outer diameter: mm; Inner diameter tolerance: & plusmn; .mm； Length of each roll: m.