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Wet shotcrete machine for tunnel

2018-12-19 09:42:10

For wet shotcrete machines, its process is different with dry mix shotcrete machine. Dry mix shotcrete machine is used for spraying dry materials, sand, cement, stone without water, adding water in the nozzle.
Water and dry materials mix even in the nozzle, and spraying to working surface. Wet shotcrete machine is used for spraying pre-wet concrete, add accelerator in the nozzle instead of water. Usually dry shotcrete machine is used in slope protection, swimming pool, bridge repair, etc. outside project. While wet shotcrete machine is used in tunnel, mining, subway etc indoor project.
Compared with dry spraying process, wet spraying process have higher strength, better spraying effect for more important project. More detailed process information, please check the below pictures for reference.

dry shotcrete machine spraying process
dry spraying process
 

wet shotcrete machine spraying process
wet spraying process

Nowadays, Gaode equipment have two kinds wet shotcrete machine for tunnel, rotor type wet shotcrete machine and pump type wet shotcrete machine. Rotor type shotcrete machine is belong to thin flow shotcrete machine, adding compressed air in the materials outlet.
While pump type shotcrete machine is belong to thick flow shotcrete machine, adding compressed air in the nozzle.

Wet shotcrete machine


Whichever wet shotcrete machine, all need accelerator to improve the solidification speed of concrete. For rotor type wet shotcrete machine, we could provide electric motor, diesel engine, air motor three drive type for customers.

Wet shotcrete machine for tunnel


Diesel engine and air motor is very suitable for remote working site without electric supply. If customers want to electric motor drive, voltage is different with ours. It doesn’t matter, we could customize suitable motor according to customers’ voltage. More detailed working video information, please check the below link:
https://youtu.be/GxN2X_PQoSo
Want to know much more shotcrete machine, please check our website: www.gaodetec.com

 
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