Putting on "Soft Armor" for Tunnels, Railway Construction Heavy Industry Concrete Wet Spraying Machine Helps Plateau Railway Construction

Shotcrete construction is an indispensable construction procedure in tunnel support，The concrete layer formed by it mainly plays a supporting role.、Filling、Isolation and transformation，And that support strength of the surround rock can be effectively improved.、Limit the deformation of surrounding rock，And greatly improve that safety of tunnel construction.。

China Railway Construction Heavy Industry is one of the earliest enterprises in China to independently develop concrete wet spraying machines.，Developed and produced plateau type、Intelligent type、Tracked、Articulated and other series of chemical wet spraying machine products，Adaptable 3*3 m to 17.5*31.Various tunnel caverns of 4m，Overlay step method、Full section method and other construction methods。It has been widely used in highway tunnels.、Railway tunnel、Mine Roadway、Water conservancy roadway and other major fields，Make Spraying and Mixing Construction Safer、More economical、More efficient。

Tiejian Heavy Industry has applied for dozens of patents during the development of wet spraying machine products.，Participation《Technical Manual for Operation of Tunnel Concrete Wet Spraying Trolley》Series andQ/CR 9249-2020《Specification for wet shotcrete construction of railway tunnel》And so on standard compilation；At the same timeHPS3016 series concrete wet spraying machine is the first high-end large-scale concrete spraying machine with independent intellectual property rights in China.，Won the Red Star Award、China Excellent Patent Award、National key new products and other awards。

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