Research Article
Optimization of the Stirring Blade Structure of the Pumping Unit Based on the Improvement of Concrete Suction Efficiency
Table 1
The mix proportions of the fresh concrete.
| | Water-cement ratio | Cement (kg/m3) | Sand (kg/m3) | Coarse aggregate (kg/m3) | Concrete water reducing (kg/m3) | Concrete retarder (kg/m3) |
| | 0.42 | 390 | 900 | 1080 | 3.20 | 0.39 |
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