Research Article
Experimental Study on Mechanical Properties of Polypropylene: Steel Fiber Concrete and Loading Characteristics of Shaft Lining
Table 1
Main properties of the P.O52.5R cement used in this study.
| Chemical compositions of items | CaO | SiO2 | Al2O3 | Fe2O3 | MgO | SO3 | CL− | Loss on ignition | 56.77% | 20.86% | 5.90% | 3.61% | 3.50% | 2.43% | 0.021% | 1.16% |
| Physical properties property value | Specific surface area | Initial setting | Final setting | 3d compressive strength | 28d compressive strength | 3d flexural strength | 28d flexural strength | 381 m2/kg | 115 min | 184 min | 33.8 MPa | 58.6 MPa | 6.2 MPa | 10.7 MPa |
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