Calculation of the parameters of earthing system
The top layer of soil:
Sand wetlands (60)
Sand moderately moist (130)
Wet Sand (400)
Sand lightly wet (1500)
Sand dry (4200)
Sandstone (1000)
Sandy loam (300)
Sandy loam moist (150)
Loam wetlands (60)
Loam semisolid, forest type (100)
The frozen layer of loam (190)
Clay (at t > 0°C) (60)
Peat at t = 0°С (50)
Peat at t > 0°C (40)
Brackish soil (for t> 0 ° C) (25)
Crushed dry (5000)
Crushed wet (3000)
Gravel (for t> 0 ° C) (5500)
Garden Plot (40)
Black earth (50)
River water (1000)
Granite base (for t> 0 ° C) (22500)
Climatic factor:
Climatic zone I (Vertical - 1.9; Horizontal - 5.75)
Climatic zone II (Vertical - 1.7; Horizontal - 4.0)
Climatic zone III (Vertical - 1.45; Horizontal - 2.25)
Climatic zone IV (Vertical - 1.3; Horizontal - 1.75)
The lower layer of soil:
Sand wetlands (60)
Sand moderately moist (130)
Wet Sand (400)
Sand lightly wet (1500)
Sand dry (4200)
Sandstone (1000)
Sandy loam (300)
Sandy loam moist (150)
Loam wetlands (60)
Loam semisolid, forest type (100)
The frozen layer of loam (190)
Clay (when t> 0 ° C) (60)
Peat at t = 0 ° C (50)
Peat when t> 0 ° C (40)
Brackish soil (for t> 0 ° C) (25)
Crushed dry (5000)
Crushed wet (3000)
Gravel (for t> 0 ° C) (5500)
Garden Plot (40)
Black earth (50)
River water (1000)
Granite base (for t> 0 ° C) (22500)
Number of vertical earthing:
1 vertical earthing
2 vertical earthing
3 vertical earthing
4 vertical earthing
5 vertical earthing
6 vertical earthing
7 vertical earthing
8 vertical earthing
9 vertical earthing
10 vertical earthing
11 vertical earthing
12 vertical earthing
13 vertical earthing
14 vertical earthing
15 vertical earthing
16 vertical earthing
17 vertical earthing
18 vertical earthing
19 vertical earthing
20 vertical earthing
The depth of the top layer of soil, H (m):
The length of vertical grounding, L1 (m):
The depth of the horizontal earthing, h2 (m):
The length of the connecting strip, L3 (m):
Diameter of vertical earthing, D (m):
The width of the shelf of horizontal earthing, b (m):
The electrical resistance of the soil (ohm/m):
The resistance of a single vertical grounding (ohm):
The length of horizontal grounding (m):
Resistance to horizontal earthing (ohm):
The total resistance of spreading the electric current (ohm):
