Drilling scheme

destructive non-explosive substance HPB-80
(TU BV. 2. 7. 00030937)

Drilling Plans

1. general practice of rock failure.



d: 38-44 mm
D: 70% of the height




2. Destruction "underground".



d: 38-44 mm
L: 30-60 mm
D: Fig.



d: 38-51 mm
L: 60-90 mm
D: 90% of the height
3. Boulder.



d: 32-35 mm 44-51 mm
L: 20-30 cm 40-50 cm
D: 70 % of the height
4. unit.



d: 32-35 mm 44-51 mm
L: 20-30 cm 40-50 cm
D: 90 % of the height
5. clipping rocks.



d: 44-51 mm
L1: 30-40 cm
L2 :60-90 cm
D: +5% to height
O: 80 0 -90 0
6. Deepening.



d: 38-51 mm
L: 30-60 cm
D: 1-1,8 m
O: 45 0 -60 0





d: 38-51 mm
L1: 40-60 cm
L2: 30-40 cm
D: 1-1 , 8 m




d: 38-44 mm
L: 30-60 cm
7. concrete.



d: 38-44 mm
L: 30-60 cm
D: 70% of the height.
8. Reinforced.



d: 20-25 30-40 sm sm
L: 35 mm 38-44 mm
D: 90% the height



d: 38-51 mm 38-44 mm
L: 50-90 cm 40-60 cm



d: 38-44 mm
L1: 20 cm
L2: 20-25 cm



d: 38-44 mm
L: 30-60 cm



d: 38-44 mm
L: 30-40 cm
D: 90% of the depth



d: 38-44 mm
L: 30-40 cm
D: 90% of the depth