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

Table 1

Coral sand particle size distribution.

Sieve size/mm	4.75	2.36	1.18	0.6	0.3	0.15	<0.15
Cumulated retained percentage (by mass)/%	0	1.95	58.90	79.23	95.84	99.88	100