Research Article

Research on Dust Suppression Technology of Shotcrete Based on New Spray Equipment and Process Optimization

Table 3

The mixture proportions of shotcrete.

Mixture IDTypeWater (kg/m3)Cement (kg/m3)Sand (kg/m3)Coarse aggregate (kg/m3)PCA (%)Accelerator (%)

DS1Dry210430887723
WA0Wet1834329926430.40
WA12004249856410.366 WT-N1
WA21724409976410.475 HYAC