Research Article

Freezing-Thawing Damage Mechanism of Coal Gangue Concrete Based on Low-Field Nuclear Magnetic Resonance, Scanning Electron Microscopy, and N2 Adsorption

Table 2

Relative contents of chemical constituents of coal gangue.

ComponentsSiO2Fe2O3AL2O3CaOMgOC, Na, K, and other oxides

Relative content (%)48.126.2636.346.160.952.17