Statistics Analysis Measures Painting of Cooling Tower

Table 6

Organic coating total thickness (μm) on the surface concrete of internal shell (above the ring).

Overall thickness paintings internal shell
Working joints	Average	Min.	Max.	Standard deviation (SD)	Standard deviation (SD) (%)
6–12	398.33	300	500	80.709	20.26
13–18	490.83	480	510	10.961	2.23
19–25	480.00	450	520	22.361	4.66
26–31	390.56	300	480	72.147	18.47
32–38	440.42	310	540	80.324	18.24
39–45	527.22	500	580	25.507	4.84
46–52	387.22	300	490	72.786	18.80
53–59	478.33	460	500	16.750	3.50
60–66	461.67	340	510	60.702	13.15
67–71	403.33	300	490	71.880	17.82
72–77	480.00	440	530	22.870	4.97
78–84	470.00	450	520	23.805	5.06
85–91	481.11	450	510	18.526	3.85
92–98	401.11	300	485	72.102	17.98
99–104	498.33	480	520	12.134	2.43
105–111	387.06	300	480	80.130	20.70
112–118	475.00	450	500	17.078	3.60
125–131	418.00	300	490	73.230	17.52
132–5	477.78	450	510	15.476	3.24