Chemical Interactions in Reinforced Concrete Exposed at a Tropical Marine Environment

Table 2

Amount of elements (% of weight) as determined by SEM-EDX.

Depth (mm)	Fe	Ca	Al	Si	O	Mg	S	Cl	C
0	1.9	51.5	1.7	7.2	37.5	0	0	0	0
2	4.6	33.1	3.0	16.4	41.2	0.8	0.5	0	0
5	2.9	34.6	2.5	16.2	40.7	2.0	0.6	0	0
10	7.1	31.8	4.8	14.2	39.8	2.0	0	0	0
15	5.5	43.0	2.9	10.0	35.6	0.7	1.2	0.7	0
20	12.1	39.2	7.0	6.2	32.9	0.9	0.6	0.6	0
25	4.8	35.5	2.8	9.8	35.3	0.8	0.6	0.4	9.6
30	2.7	37.8	2.0	10.5	34.6	0.7	0.7	0.7	9.9