Statistics Analysis Measures Painting of Cooling Tower

Table 5

Total thickness of organic coatings (μm) on the concrete surface external shell under the ring.

Overall thickness paintings external shell
Working joints	Average	Min.	Max.	Standard deviation (SD)	Standard deviation (SD) (%)
6–12	215.71	200	240	12.49	5.79
13–18	0	0	0	0	0
19–25	210.29	200	240	10.82	5.15
26–31	218.57	200	250	17.91	8.19
32–38	216.86	200	240	13.68	6.31
39–45	216.86	200	250	14.10	6.50
46–52	215.43	200	250	13.80	6.41
53–59	215.14	200	240	12.96	6.02
60–66	224.57	200	250	17.29	7.70
67–71	211.43	200	240	10.18	4.82
72–77	216.00	200	240	10.47	4.85
78–84	218.00	200	240	13.05	5.99
85–91	210.00	200	230	10.00	6.00
92–98	206.90	200	240	8.35	4.03
99–104	207.24	190	230	8.67	4.18
105–111	212.86	200	240	12.55	5.90
112–118	206.55	200	230	7.55	3.66
118–124	213.14	200	240	12.14	5.69
125–131	215.14	200	240	11.31	5.26
132–5	214.48	200	240	12.20	5.69