Inspection of Wooden Poles in Electrical Power Distribution Networks in Artvin, Turkey
Table 3
Cu, Cr, and As amounts in utility poles inspected in 4 study areas.
Location
Pole age
Decay hazard classes3
Cr %
Cu %
As %
Ret.4 kg/m3
Avr.
Std
Avr.
Std.
Avr.
Std.
Area I
15–20
30
High >70
0.950
0.273
0.211
0.087
0.285
0.092
6.40
Area II
15–22
30
Moderate 35–70
1.091
0.269
0.271
0.010
0.300
0.070
7.35
Area III
12–22
30
Moderate 35–70
1.017
0.274
0.250
0.021
0.290
0.066
6.88
Area IV
18–24
30
Low 35<
1.082
0.255
0.290
0.063
0.368
0.083
7,70
Retention1 (control)
10
0.999
0.066
0.413
0.014
0.758
0.082
9.60
Min required retention (9.6 kg/m3). Number of poles inspected. Calculated based on Scheffer’s formula. Calculated value based on the formula given in the AWPA Standard.
