Page 13 - dantonit-brochure-naturprodukter-a4-en-lr

Plugging of boreholes, encapsulation and geotechnology

Typical measurement values for freshwater use (pH7) Best Practice Field Manual
DantoPlug Super / Super M

Water content (mass fraction in %) 20 -
Swelling start (min.) > 15 > 15
Fines content (fluff test) (%) < 1 <5
Sinking speed (m/min) 21 / 23 > 20
Product form, pellets (dia. mm) 6-10
Swelling pressure (kN/m2) after 4 weeks 8 > 75
Density, as supplied (g/cm3) 80
Hydraulic conductivity (m/s) 1.10 -
Shear strength after installation ≤ 5*10-12 < 1*10-10
(over/under ss) (kN/m2) (kN/m2 = kPa)
Magnetic susceptibility (SI unit) ≥ 40 > 25
- / 0.0403 -

Guide The borehole should be filled in slowly
DantoPlug pellets are supplied in 500 at a steady pace to avoid bridging the hole.
and 1,000 kg Big Bags and 25 kg sacks.

Indicative consumption in kg/meter:

Borehole Ø Filtering pipe Ø [mm]
125 160 200 250
“ mm 0 50 100 315 400 500

4 100 8.64 6.48 10.79 52.48 77.72 94.99
19.43 17.27 25.91 130.19 172.70
6 150 34.54 32.38 45.33 5.94 225.18
53.97 51.81 69.08 21.05
8 200 77.72 75.56 129.53 40.48 12.43
138.16 136.00 207.24 64.22 31.86
10 250 215.88 213.72 302.23 124.67 55.61 19.43
310.86 308.70 202.38 116.05 43.18
12 300 297.37 193.77 103.62 23.75
288.75 181.34 84.19
16 400 276.32 161.91
256.89
20 500

24 600

Borehole Ø Number of 25 kg sacks/meter:

“ mm 0 50 Filtering pipe Ø [mm] 315 400 500
100 125 160 200 250
0.35 0.26 2.10 3.11 3.80
4 100 0.78 0.69 5.21 6.91
1.38 1.30 9.01
6 150 2.16 2.07 0.43 0.24
3.11 3.02 1.04 0.84
8 200 5.53 5.44 1.81 1.62 0.50
8.64 8.55 2.76 2.57 1.27
10 250 12.43 12.35 5.18 4.99 2.22 0.78
8.29 8.10 4.64 1.73
12 300 12.09 11.89 7.75 4.14 0.95
11.55 7.25 3.37
16 400 11.05 6.48
10.28
20 500

24 600