Landslide construction

 

The invention relates to the construction and can be used to stabilize landslides on the slopes. Landslide structure includes a vertical wall, trapped in the underlying landslide sustainable soils along the landslide. What's new is that the vertical walls are made in the form of drainage buttress structures trapezoidal in plan, the outer sides are stepped ledges, the lower and upper walls are made of heavy concrete, and the average of the walls of the filtering hydraulic concrete, and the lower part of the heavy concrete embedded in stable soils, and the upper part of the heavy concrete protects against ingress of atmospheric water filtration hydraulic concrete middle part, the bottom of which is placed a perforated drain pipe. Technical result provided by the invention consists in the improvement of slope stability and the safety of the works during the construction of constructions. 2 Il.

The invention relates to the construction and can be used to stabilize landslides on the slopes.

There are many types of trench drains, pregnanstrogen on the roads, Moscow: Transport, 1985, Fig.4, S. 130).

The disadvantage of these constructions is that the drainage backfill made of discrete materials, filtering water, but at the movement of the layers of the soil it does not provide significant resistance to shear. Therefore, drainage fill is separated from drainage channels and turns into the drive moisture.

Known buttress structures in the form of various stops that hold the soil from bias due to drag and friction forces on the lateral surfaces (see Braslavsky C. D. Landslide construction on highways, Moscow: Transport, 1985, S. 195).

The disadvantage of such structures is the difficulty of draining the soil, which is in the saturated state can prodavlivaetsya in the gaps, or crawl over obstacles.

The closest analogue to the technical essence and the achieved result is a landslide construction including vertical walls, trapped in the underlying landslide sustainable soils along the landslide (see SU 990972 A, E 02 D 29/02, 25.01.1983).

The disadvantages of this construction are also a small counter-shear (friction water-saturated soil on the lateral surfaces subramania is the increase of slope stability and security of work during the construction of constructions.

The problem is solved due to the fact that the landslide construction including vertical walls, trapped in the underlying landslide sustainable soils along the landslide, according to the invention the vertical walls in the form of drainage buttress structures trapezoidal in plan, the outer sides are stepped ledges, the lower and upper walls are made of heavy concrete, and the average of the walls of the filtering hydraulic concrete, and the lower part of the heavy concrete embedded in stable soils, and the upper part of the heavy concrete protects against ingress of atmospheric water filtration hydraulic concrete middle part, the bottom of which is placed a perforated drain pipe.

Technical result provided by the invention consists in the improvement of slope stability and the safety of the works during the construction of constructions.

The invention is illustrated by drawings, where Fig.1 depicts a landslide, the bottom of which is arranged trapezoidal drainage buttress landslide structures; Fig.2 - the same, lateral view.

In the landslide 1 are landslide structures 2. repetitively in the plan, on the outer sides of which are made of stepped protrusions 3. The vertical walls have a bottom part of the heavy concrete 4, which is embedded in the underlying landslide 1 sustainable soils 5 along the landslide 1. The upper part of the walls are made from heavy concrete, and the average of the walls of the filtration of hydraulic concrete 6, the bottom of which is placed a perforated drain pipe 7. The upper part of the walls of heavy concrete protects against ingress of atmospheric water filtration hydraulic concrete 6 middle part of the walls.

Construction of anti-structure 2 includes alternate text side of the trenches, which carry a vertical wall in the form of a trapezoid in plan drainage buttress landslide structures with simultaneous device of stepped projections 3, with the deepening of the lower part of the walls in sustainable soils 5. The lower part of the walls is performed by laying a layer of heavy concrete 4, the bottom of which is placed a perforated drain pipe 7, then fill the middle part of the trench filter hydraulic concrete 6, over which is placed a layer of heavy concrete forming the upper part of the walls. End of the jumper between Epost increases and they are included in the retention of the landslide from the offset. The presence of stepped projections 3 on the outer sides of the walls increases the holding capacity of the structures due to drag shift.

Claims

Landslide construction including vertical walls, trapped in the underlying landslide sustainable soils along the landslide, characterized in that the vertical wall is made in the form of drainage buttress structures trapezoidal in plan, the outer sides are stepped ledges, the lower and upper walls are made of heavy concrete, and the average of the walls of the filtering hydraulic concrete, and the lower part of the heavy concrete embedded in stable soils, and the upper part of the heavy concrete protects against ingress of atmospheric water filtration hydraulic concrete middle part, in the lower part of which is placed a perforated drain pipe.

 

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