Experimental Study on Mechanism of Graphene Oxide-Modified Coral Sand Cement Mortar to Resist Sulfate Erosion

Table 3

The physical and mechanical properties of cement.

Setting times (min)		Stability flexural strengths (MPa)		Compressive strengths (MPa)
Initial	Final	3 days	28 days	3-days	28 days
180	240	5.6	8.9	26.3	48.8