The amount of springback is the mixture that bounces off the sprayed surface due to the collision of rock surface, steel bar or aggregate during the spraying process.

Layered jet method is adopted in construction, and the thickness of primary jet is within 46 cm.

Wet spraying technology is a dynamic construction process, which should be adjusted according to the actual site of concrete site, wind pressure, spraying angle and spraying distance. The length of ho

Mortar spraying machine is a professional spraying machine specially used for spraying mortar. For mortar particles below 45 mm, mortar can be used for spraying.

(1) The concrete wet shotcrete machine and feeding pipe must be lubricated with cement slurry before spraying, and the residual concrete in the pipeline must be washed with water after wet mix shotcre

(1) In the case of concrete mixing, the materials are fed in the order of sand→ gravel→cement→water. The mixing is carried out by automatic metering forced mixer. The construction ingredients are stri