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JD Earth Pressure Balance Microtunnel Boring Machine

Features of JD series Rectangular EPB jacking machine:
1) Rectangular pipe jacking machine runs on the principle of earth pressure balance with minor disturbance to strata and short ground depth needed
2) Support equipment and accessories are reduced and much working space is saved.
3) Spoil excavated by screw conveyor and then discharged by slurry pump or belt conveyor
4) Only be applied to almost straight tunnel engineering.
5) Widely used in projects such as metro tunnels pedestrian crossing under streets, crossing passageway under railway etc.

 

 

 

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