Rectangular Epb Pipe Jacking Machine/Microtunnel Boring Machine
1. Features of JD series Rectangular EPB jacking machine:
1.1 Rectangular pipe jacking machine runs on the principle of earth pressure balance with minor disturbance to strata and short ground depth needed for project.
1.2 Support equipment and accessories are reduced and much working space is saved.
1.3 Spoil excavated by screw conveyor and then discharged by slurry pump.
1.4 Can only be applied to almost straight tunnel engineering.
1.5 Widely used in projects such as metro tunnels pedestrian crossing under streets, crossing passageway under railway etc.
JD2200 Rectangular EPB Machine and finished tunnel
More complicated cutter section
2. Application scope:
Widely used in trenchless underground projects such as metro tunnels, pedestrian crossing under streets, crossing passageway under railway etc.
3. Information needed for offer:
3.1 Drawings of launching pit and reception pit (Width, Length and Depth)
3.2 Project data: total shaft length, max length of single shaft, quantities of shafts
3.3 Production pipe drawings: Concrete or steel etc, length, ID & OD
3.4 Soil property report: soil type, water level and so on
4. Delivery time
60~90 days on reception of the down payment
Full service is available before order-placing, during manufacturing, and after-sale:
Before order-placing: visiting project site, technical negociation and soil sample collection
During manufacturing: two persons from buyer visit our plant for one week, free of living cost in China
After-sale: operating machine for the first shaft but less than 100m, on site training, trouble-shooting, spare part delivery.