1. Задания по вариантам для гр. 2УМ71
The borehole (with absolute elevation of wellhead of A m) intersected (adown) the following lithological layers: up to B m – sandy loam, from Ca to Cb m – clays, from Da to Db m – coarse sands, and deeper – loam with the thickness of E m. Absolute mark of the standing water level for the first (from the earth surface) aquifer is F m. Absolute mark of the standing water level for the second (from the earth surface) aquifer is G m. Plot the schematic borehole log using data according your variant.
Variant A B
Ca… Cb
Da … Db E F G 1 84 40
40…55
55…64 10 80 78 2 87 45
45…60
60…75 15 81 79 3 90 43
43…55
55…70 17 82 4 93 42
42…58
58…75 18 5 96 50
50…65
65…80 21 89 6 99 52
52…70
70…85 16 88 7
102 35
35…45 13 95 92 8
105
40…65
100 97 9
108
60…80 98
111
50…70
70…78 25
103 11
114 55
55…65 20
109
106 12
117
45…65
65…75
110
107
120 60
60…70
112 14
123 65
80…89 19
115