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Jet grouting drilling rig with DTH equipment

2017-11-02 14:54:45

Jet-Grouting techniques have been developed for soil consolidation and waterproofing.
Soil is directly mixed with cement in site to treat sand and clay formations in a homogeneous, continuous and non-polluting way.
GM-5 jet grouting drilling rig is crawler full hydraulic engineering drilling machine. Main data as the following:

Max torque

6500N.m

Rotation speed of top-drive head

0150r/min

Stroke of top-drive head

3400mm

Rated pull force of top-drive head

50KN

Rated thrust force of top-drive head

20KN

Rod dia.

42mm;50mm;73mm;89mm

Fast lifting and thrust speed of top-drive head

(jetting) 0-1.5m/min

Lifting and dropping speed of top-drive head

0-45m/min

Power unit

55+18.5+2.2 kW

Overall dimension

Working(mm): 3750*2450*5450

Transportation(mm): 5450*2300*2250

Weight

6500kg

Main pump pressure

20MPa

Auxiliary pump pressure

20MPa

Column slipping stroke

900mm

Climbing capacity

20°

Moving speed

0.8 km/h


GM-5 is the most hot selling jet grouting drilling machine in China. .Top-drive head driven by hydraulic, stepless speed regulation, high efficiency drilling rig with DTH equipment ensure it is powerful, stable and reliable.

The Jet-grouting techniques are classified depending on the number of fluids injected during treatment:

- Mono-fluid system: cement grout is used as breaking-up and consolidation agent;

- Bi-fluid system: cement grout and air are used as breaking-up and consolidation agent ;

- Triple-fluid system: water and air are used as breaking-up agents, while the cement grout is used as consolidation agent.


All
Jet-Grouting techniques include a drilling phase followed by withdrawal and rotation at preset values, with simultaneous injection of fluids at high pressure. 
 

drilling rig with DTH equipment

 

jet grouting drilling machine

 

jet grouting drilling rig

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