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Wet Concrete Shotcrete Machine

Wet concrete shotcrete machine PSK700 for tunnel Slope protection Technical parameters Cleaning the shotcrete surface Check whether the size and geometry of the spray surface meet the design requirements; remove the obstacles affected by the spray surface to the spray operation, and protect the...

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Wet concrete shotcrete machine PSK700 for tunnel Slope protection

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Technical parameters

Output

7m3/h

Max grain size

15mm

Liquid accelerator ratio

0—7%

mortar hose inner dia

57mm

Suitable concrete slump

C15-C20 large than 10                       

C25-C3 large than 15                   

C30 large than 18

System air pressure

large than 0.6

working air pressure

0.3-0.5

Air consumption

12 m3/min

Maximum conveying horizontal distance

20m

Maximum conveying vertical distance

15m

Dust next to the machine

<10mg/m3

Rebound

<20%

mian motor power

7.5KW

Dimensions (tire type)

2000*1010*1230mm

whole machine weight

1475KG


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Cleaning the shotcrete surface

Check whether the size and geometry of the spray surface meet the design requirements; remove the obstacles affected by the spray surface to the spray operation, and protect the unmovable; to protect the construction quality and safety of the construction work, the spray surface before construction should be treated as follows: 1. Remove the floating surface and harmful adhering matter, and rinse the dust on the clean rock wall with pressurized water. 2. When spraying concrete on the existing concrete surface, the weathered part should be cleaned first and chiseled; 3. The place with water inrush should be drained; 4. If the spray surface is frozen, the water after melting should be cleaned; When the spray surface is strong in water absorption, it is necessary to sprinkle water in advance;


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