Mechanical and Electrical Characteristics of Graphite Tailing Concrete

Table 7

Measured resistivity and estimated resistivity.

Specimen	Tailings (%)	Carbon fiber (%)	Measured resistivity (kΩ·cm)	Estimated resistivity (kΩ·cm)	Relative error (%)
1	0	0	63.68	63.805	−0.20
2	5	0	47.8	47.408	0.82
3	10	0	37.24	37.692	−1.21
4	15	0	32.28	32.156	0.38
5	0	0.15	48.04	49.163	−2.34
6	5	0.15	34.56	33.096	4.23
7	10	0.15	23.48	24.050	−2.43
8	15	0.15	19.6	19.429	0.87
9	0	0.3	27.2	26.672	1.94
10	5	0.3	11.32	11.276	0.39
11	10	0.3	3.53	3.591	−1.74
12	15	0.3	0.837	0.826	1.32
13	0	0.45	21.36	21.000	1.69
14	5	0.45	6.36	6.517	−2.47
15	10	0.45	0.643	0.689	−7.16
16	15	0.45	0.435	0.453	−4.06