The method of stabilization of landslides

 

The invention relates to the construction, in particular to the stabilization of landslide-prone slopes. The method of stabilization of landslides include drilling with casing to the surface of contact between the moving layer of soil and the underlying stationary ground, lowering into a borehole explosives and explosions. What's new is that after lowering explosives in wells serves a portion of cast concrete, then put a short reinforcing cages with subsequent filling of cast concrete to the estimated level of the well, the casing is lifted above the gradient layer, produce explosions, with cast concrete and short reinforcing cages are lowered into the formed cavity, and after hardening of the concrete casing removed. Technical result provided by the invention is to improve the effectiveness of stabilization due to the formation of soil barriers of cement stone, stopping the movement of the landslide, as well as reducing labor costs and time stabilization of slopes. 5 Il.

The invention relates to the construction and, in particular, can be used to stabilize the landslide slopes.

The known method the article is 60, 5/66, 15.02.1983).

However, this method does not provide effective stabilization, because the pile of bad holding ground.

Closest to the invention to the technical essence and the achieved result is the method of stabilization of landslides, including drilling with casing to the surface of contact between the moving layer of soil and the underlying stationary ground, lowering into a borehole explosives and explosions (see Eckel E. B. Landslides and engineering practice, M: Transgenderist, 1960, S. 139, 175-176).

The disadvantage of this method is that you can weak zone along the initial contact due to the migration of fine soil and “healing” the cracked area.

The objective of the invention is to increase the efficiency of stabilization, reducing labor costs and timing of stabilization of slopes.

The problem is solved due to the fact that in the method of stabilization of landslides, including the drilling of several wells with casing to the surface of contact between the moving layer of soil and the underlying stationary ground, lowering into a borehole explosives and explosions, according to the invention, after lowering explosives in wells pod is up to the estimated level of the well, the casing is lifted above the gradient layer, produce explosions, with cast concrete and short reinforcing cages are lowered into the formed cavity, and after hardening of the concrete casing extract.

The technical result of the invention is to improve the effectiveness of stabilization due to the formation of soil barriers of cement stone, stopping the movement of the landslide, as well as reducing labor costs and time stabilization of slopes.

The invention is illustrated by drawings, where Fig.1 shows a borehole with an explosive charge in the lower part of Fig.2 - the same, with a portion of cast concrete and steel frame; Fig.3 - submission cast concrete through the funnel of Fig.4 - well after the explosion of the explosive; Fig.5 - cross section of landslide with an underground barrier to the movement of the landslide.

The method of stabilization of landslides is as follows.

In the body of the landslide 1 to the surface of the contact shifting of soil strata 2 with underlying fixed 3 ground drill hole 4, the bottom of which lay the explosive charge 5 and through the funnel 6 pour a portion of the cast concrete 7. Casing 8, which were previously set when the hole is lnaa her, short frame and cast concrete 7, creating after hardening of the cement stone.

If you have a number of shallow wells 4 in the target across the direction of displacement of the landslide 1, merging, ening 9 (cement stone with projecting pins) form a barrier to the movement of the landslide, which stops him.

Claims

The method of stabilization of landslides, including drilling with casing to the surface of contact between the moving layer of soil and the underlying stationary ground, lowering into a borehole explosives and explosions, characterized in that after lowering explosives in wells serves a portion of cast concrete, then put a short reinforcing cages with subsequent filling of cast concrete to the estimated level of the well, the casing is lifted above the gradient layer, produce explosions, with cast concrete and short reinforcing cages are lowered into the formed cavity, after hardening of the concrete casing removed.

 

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