Mechanical Properties and Microscopic Mechanism of Coral Sand-Cement Mortar

Table 2

Grain grading of coral sand (wt.%).

Mesh sieve (mm)	4.75	2.36	1.18	0.6	0.3	0.15	<0.15
Surplus (g)	0	48.5	1418.7	506.6	413.9	100.7	2.9
Weight of the mesh residue (%)	0	1.95	56.95	20.33	16.61	4.04	0.12
Accumulated retained percentage	0	1.95	58.9	79.23	95.84	99.88	100