Research Article
Crack Propagation Phenomenon in Gangue Concrete Using the Digital Image Correlation (DIC) Method
| Design strength | Water-cement ratio | Water (kg/m3) | Cement (kg/m3) | Coarse aggregate (natural crushed stone + coal gangue) (kg/m3) | Fine aggregate (kg/m3) | Sand/coarse aggregate ratio (kg/m3) | Additive (kg/m3) | Polypropylene fiber (kg/m3) |
| C30 | 0.53 | 180 | 337 | 1041 + 0 | 852 | 0.45 | 1.36 | 21 | M30C30 | 0.53 | 180 | 337 | 711.9 + 305.1 | 831 | 0.45 | 1.36 | 21 | M50C30 | 0.53 | 180 | 337 | 497.5 + 497.5 | 814 | 0.45 | 1.36 | 21 | M70C30 | 0.53 | 180 | 337 | 291.8 + 681.1 | 796 | 0.45 | 1.36 | 21 | M100C30 | 0.53 | 180 | 337 | 0 + 941 | 770 | 0.45 | 1.36 | 21 |
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