Development of composition’s solution for hardening, strengthening of quarry slopes and dust suppression on the quarry roads

Abstract

The article deals with the development of solutions for hardening, strengthening quarry slopes and
dust suppression on the quarry roads. If, for the prevention of collapses and landslides, the man-made
increase of the large rock massifs’s strengthening is not yet practical, then the prevention of deformations
of individual ledges and prevention of scree formation from the surface of slopes by artificial reinforcement
is now being used in domestic and foreign quarries. In most quarries, rocks forming non-working beads are heterogeneous in structure and physical and mechanical properties. Even in relatively homogeneous
eruptions of the rocks of the open field, there are usually many zones of tectonic disturbance.
Depending on their size and spatial orientation, they have a more or less significant influence on the
stability of the beads and ledges. With the help of strengthening, we can slow down the processes of
weathering and crumbling of rocks, prevent the collapse of ledges and the crumbling of rocks from the
surface of slopes. Hardening of the rock massif on the weakened sections is achieved by introducing into
the cracks of the massif of substances, which after hardening and setting the rock significantly increase its
resistance to shift. The introduction of reinforcing substance into the bulk is carried out under pressure,
and as a hardening material, we consider cement mortars, silicates and polymer resins. The most widespread
among hardening methods was rock cementation, when working in aquifers rocks, strengthening
unstable and disturbed massifs. The area of its application is an array composed of rocks from highly
fractured rocky and semicallic to coarse-grained sands and pebbles in the existence of cracks in the rocks
providing access to the solute cement in the fracture.