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， 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.
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， double liquid silicification method， aerated silicification method and electric double liquid silicification method.
● features: the grouting pipe is divided into secondary grouting pipe (ccll-y grouting pipe， ccll-y full section grouting pipe) and repetitive grouting pipe (ccll-d grouting pipe， ccll-d full section grouting pipe)
According to the sequence of sectional construction along the stratum depth， grouting can be divided into sectional downward， sectional upward and sub full depth grouting. The segmented downward type is to start from the ground， continue to extend the drilling and grouting， so as to alternately carry out until the designed final grouting depth， and then carry out re grouting from bottom to top; The sectional upward pattern is that the grouting hole is drilled to the final grouting depth at one time. All kinds of grouting pipes， steel flower pipes， advance small conduits， high-pressure grouting pipes， pipe shed pipes and the formal qualification of grouting pipe factory are welcome to inquire by telephone and sincerely invite cooperation! Grout stop shall be used for bottom-up sectional grouting; The secondary full depth grouting method is to drill the grouting hole to the final grouting depth， and then conduct secondary grouting for the full depth.
The grout stop plug grouting method is generally used for Rock Fissure Grouting. The grouting pipe is provided with a grout stop plug which can close the upper part of the grouting section. The main construction steps are as follows: the grouting hole is drilled by a rotary drill. All grouting holes in the rock stratum are required to be drilled by coring in order to find out the and distribution of rock stratum fractures. The coring rate shall reach ~ % in the rock stratum and % in the broken rock stratum. The drilling cleaning fluid is mainly clean water. If the rock is broken and the hole collapse is serious， qdm-it grouting pipe thin mud slurry can also be used as circulating fluid.
NananSteel pipemanufactor2022/12/2709:15:42● features: the grouting pipe is divided into secondary grouting pipe (ccll-y grouting pipe， ccll-y full section grouting pipe) and repetitive grouting pipe (ccll-d grouting pipe，NananPrecision steel pipe， ccll-d full section grouting pipe)
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，Nananseamless steel tube， double liquid silicification method， aerated silicification method and electric double liquid silicification method.
● features: the grouting pipe is divided into secondary grouting pipe (ccll-y grouting pipe， qdm-it grouting pipe， ccll-y full section grouting pipe) and repetitive grouting pipe (ccll-d grouting pipe， ccll-d full section grouting pipe)
After the grouting hole is drilled， install and lower the grouting pipe，NananSmall diameter seamless steel pipe， grout stop plug， mixer and other facilities in the hole.
NananRujung berrocProcess 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， double liquid silicification method， aerated silicification method and electric double liquid silicification method.