Flexural Behavior of Graphite Tailings RC Beams in Chloride Environment
Table 2
Mix ratio and mechanical properties of 1 m3 graphite tailing sand concrete.
Test specimen number
Volume of concrete materials (kg/m3)
Water cement ratio
Percentage of sand (%)
Water
Cement
Natural sand
Pebble
Graphite tailings
Water reducing admixture
SMK-0
180.00
409.09
535.48
1294.45
0
15.68
0.44
30
SMK-10
180.00
409.09
481.93
1294.45
53.55
15.68
0.44
30
SMK-20
180.00
409.09
428.38
1294.45
107.10
15.68
0.44
30
SMK-30
180.00
409.09
374.84
1294.45
160.64
15.68
0.44
30
SMK-40
180.00
409.09
321.29
1294.45
214.19
15.68
0.44
30
Note. Specimen number SMK-n, SMK represents test beam, n represents graphite tailings replacement rate value. For example, SMK-20 represents the test beam with graphite tailings replacement rate of 20%. Among them, SMK-0 is the ordinary concrete control beam.
