The device control erosion

 

(57) Abstract:

Use: for the control of soil erosion, which is the deceleration or acceleration of the movement of natural fluid, causing erosion. The inventive device control erosion, designed for laying on the ground or retention in the soil, consists of the lower part, provided with means for mounting in the ground, and the upper part is equipped with means reducing energy causing erosion of the fluid. The means of absorbing energy erosive fluid, is a speaker hard case streamlined shape. The means of reinforcing the soil contains an impermeable base. The lower and upper parts of the device are rigidly connected to each other at least along the longitudinal edges, forming an internal cavity which may be filled, at least partially, by the ballast. 8 C.p. f-crystals, 7 Il.

The present invention relates to a device that may have a modular structure, to control soil erosion (soil), whose main function is the deceleration or acceleration of the movement of natural fluid, causing erosion, with the purpose of influencing the deposition of particles of loose soil, carried the which usually cause the most erosion, both in the sea and on the earth, the higher the rate of erosion, which they can achieve through natural means or with human intervention.

Moderator sea or river flow can be likened to artificially reproduced underwater shaft (the Bank).) pulling and lifting the thread from the bottom and contributing, thus, the deposition and the new accumulation carried by the flow in the coastal zone of loose particles of soil with the formation of new natural sedimentary shafts, as if mimicking the profile of the Delta or estuary recovery unconsolidated shores.

On the sea or a river Bank, the deceleration device most commonly performed by filling the shell of flexible textile material for earthworks (cushions, bags.) heavy ballast, such as sand or concrete, providing the melting and laying devices under its own weight. Filled in this way the device takes the form of extended semi-cylindrical wing and tend to gradually sinking in the sand under their own weight. To prevent this gradual penetration of the use of other technologies, which, as in U.S. patent US 4690585 (HOLMBERC) (Fig. 1A), are in UKL is by using side pockets.

When these devices having convex and relatively rigid shape, are mounted on the flexible porous coating, the excess hydrostatic pressure experienced by the wing when the separation of flow and waves from the bottom almost completely passed through the porous covering the ground under the device, which could lead to the lifting and tilting of the latter. In addition, such devices may melt and meet only when filling out their ballast, they are heavy, breaking, cumbersome and unaesthetic, and uninstallable. If they are in the form of segments of a large extent, are brittle in length and can break when the state changes of the soil.

In addition, it may be necessary to change the position and/or direction of these devices to ensure the best restorative effect based on the properties of marine factors in the working area.

On land erosion can be caused or disappearance due to the creation of soil, for example, when marine erosion depletes the sources of dry sand, the supply of the coastal dunes, or too strong influence of erosive fluid (rain and wind) on loose soil, lost vegetation.

A person, mainly, road, mining, and agricultural operations. Therefore, methods and devices for erosion control are used to restore vegetation protected by fences against wind, through the use of nets, of textile material for excavation, spread on the ground (Fig. 1B) or mounted vertically (Fig. 1B), or by planting green hedges (shrubs or trees), inhibiting the flow of storm water from the fields.

However, for the flexible deployment of devices takes a long time, they are inconsistent and unstable, and green areas prone to accidents, natural phenomena, and agricultural practices.

The aim of the present invention is to eliminate the above disadvantages, or at least, a satisfactory reduction while improving the management of soil erosion using simple universal devices (marine or terrestrial).

This goal is achieved according to the invention, using the device to control soil erosion, intended for laying on the ground or retention in the soil containing the lower part, provided with means for fixing in the ground, and the upper part, snabgenie energy fluid, represent the speaker enclosure streamlined or fairing, and the use of retention in the soil contain impermeable base, and the upper and lower parts are rigidly connected with each other, at least on the lateral sides and form an internal cavity, which, at least partially, may be filled with ballast.

According to the first variant embodiment of the invention, the upper part is attached to the lower part Rethimno.

In another variant implementation, the device is hollow, one-piece, and his protruding body streamlined, called for the multiplicity of the fairing has a longitudinal notch.

A particular advantage is that the ends of the fairing provides tools for modular Assembly that can interact with appropriate means other such devices in order to obtain a fully solid construction; these build tools contain covered in the profile included in the covering profile to obtain a continuous longitudinal chain and/or the profile with the cheeks, covering, without discontinuity, the side walls of the upper part for receiving the side branches.

Due to its impermeable one in the direction intersecting with the direction of the erosive fluid, subjected to a pushing force, which it can't tell the bottom because of the impermeability of its Foundation. Due to this, the device creates a pressure difference acting on different sides of the surface of the impermeable base and is pressed to the ground with more force, the more energy erosive fluid.

In case of application on the sea coast, the slowdown caused by this modular device, combined with the effect of the deposition. Laid in rows, almost perpendicular to the erosive flow, the device slows down the flow and leads to the deposition of sediment.

Modular devices, laid converging rows with the formation of the constricted passage, cause the acceleration of the flow and dispersion of sediments, i.e. provide controlled erosion.

Although it is clear that the scope of the present invention applies to the control of erosion in coastal, terrestrial and marine area, by slowing down the movement of the erosive fluid, its meaning will become clearer if we will give existing examples of its use for the control of erosion in the marine or riverine areas.
in Fig. 2, the device according to the invention, located in different places, the species in the future;

in Fig. 3 different versions of the device according to the invention;

in Fig. 4 embodiments of the device according to the invention, the views in perspective, with partial cuts;

in Fig. 5 is another embodiment of the device according to the invention, in perspective view;

in Fig. 6 embodiment of the device according to the invention, with means of fixing in the ground;

in Fig. 7 modular Assembly of several devices according to the invention, in a perspective view.

Fig. 1 illustrates a prior art.

As shown in Fig. 2,and the device R according to the invention, which serves to retard erosion (water flow, wind (V), is connected with other similar devices (modules) form a modular Assembly (assemblies) (R1,R2,R3.), placed adjacent to the shoreline with one or several rows, partially submerged in water, causing the effect of accretion capture and accumulation of significant erosive flow (sea water or wind) particles. Typically, the device R with ihusky energy erosive fluid. Means, absorbing the energy of the fluid are hard fairing speaker 5.

In Fig. 2,b to slow the erosion of the device according to the invention comprises at least one module R with an impermeable base and fairing. It can be placed on the submerged soil or on land (on an acting out of the water the soil), and its optimal precipitating effect of accretion) is provided when the module R forms a right angle with the direction of the erosion of the fluid prevailing in the area (water flow, inflow-outflow, storm water runoff, wind.).

In Fig. 3, and shows the device according to the invention, is made of two parts. The upper part of the containing means, slowing the effect of the erosive fluid made in the form of a rigid fairing speaker 5 parabolic profile with convex top and horizontally spaced side edges (sides). The upper part 2 is connected with the bottom part 1 preferably by removable fastening means, for example, using a bolted connection 6.

The lower part 1 includes means for fixing in the ground, containing impermeable base 3 facing to the ground. What SUP> and the extension of base 3 inside the cowling 5 is a horizontal strip of 3, b, forming a skirt surrounding the gable part of the Foundation, and at the ends, outside of the cowling 5, a continuation of the Foundation serves as a drain apron 3C to avoid erosion associated with the perturbation of the stream at its exit from the ends of the fairing, and also can be used for Assembly with another module, or to secure the module in the soil, due to the grooves 21, in which are entered the appropriate mounting means (e.g., belts). The ends of the device define an aperture between the base 3 and the fairing 5.

In Fig. 3 b shows a device consisting of a flat impermeable base 3 and a closed fairing 5, the side walls of which form the faces of the dihedral angle extending obliquely from an edge of the vertex of this angle, the continuation of which are flat side (horizontally positioned), and the ends of the fairing 5A and 5b are made, respectively, with the covered/covering profile, allowing you to connect the modules to the introduction of the end of one module to the other end. The dihedral angle between the side walls of the fairing is equal to approximately 90oso as to cause upward movement of aimie tubes 8 and allows you to upload ballast, which may be a foamed material, absorbent, for example, to store the liquid.

In Fig. 3 shows the module device according to the invention, the deflector 5 which has a parabolic shape and includes a flat edge (side). The fairing 5 holes 7 for the introduction of ballast that can be closed from inside the tube or check valve 8. Impermeable base 3 provided at least on its longitudinal edges bordering skirt 12, dug into the ground to a depth sufficient to serve as a barrier to lateral spread pressure erosive fluid under the device. The ends 10 and 11 are made, respectively, with the covered with covering profile so that two identical modules can be inserted in one end of one module to the other end with the formation, at least partially, swivel, creating thus a continuous longitudinal extended structure.

In particular, was made a sample with the following dimensions: length 60 cm, width 9 cm, height of 6 cm with a parabolic profile,

impermeable rigid base, convex on the value of 5 mm above the ground,

top the th particle of sand (river) 7.5 km/h

Full sand pump (covering completely the device sand) is achieved within 1 hour.

In Fig. 4A, the wall of the base 3 is essentially parabolic shape can be made thicker in the Central part than at the edges, in order to achieve rigidity, variable in width and faster strain (deflection) of the sides, which increases the area of contact of the device with loose soil under the surface. Holes 7 circulate erosive fluid and precipitation in the inner cavity of the device.

In Fig. 4,b shows the device, an internal cavity which lies between the bottom 1 and top 2 parts partially filled with ballast 15 (granular fill), and near the top of the fairing 5 holes 7 for the filling. Thus the gradual increase in the resistance of the device.

In Fig. 4, shown with all-in-one device, which may be hollow or solid and having the upper 2 and lower 1 part.

The inner cavity is filled with a material (concrete.), which is made a means of securing in the ground and means of energy dissipation of erosive fluid, soo the side of the impermeable base 3 acts first hydrostatic pressure, less than a second hydrostatic pressure arising under the action of the erosive fluid and acting on the upper side of the base 3 and/or fairing 5.

In Fig. 5 shows an advantageous variant of the invention, containing, in particular, impermeable base 3 and the deflector 5 with a longitudinal recess 5A, provides rapid penetration to the inside of the fairing ballast, erosive fluid, natural deposits, or quick introduction, by camoclad, traditional moderator of textile material for earthworks.

In Fig. 6 shows an embodiment of a device according to the invention with deaf sockets 18, made in part in the lower part of the side walls and partially at the sides of the fairing 5.

The socket 18 is provided under the anchoring elements 9, is inserted in the socket in such a way that they protrude beyond the edge of the sides and penetrate into the soil. These nests are also used when hoisting operations module.

In Fig. 7, which should be read in conjunction with Fig. 3,in the shown Assembly of the modular device according to the invention, in two directions. Covering the end face 11 has cheeks 14 formed by the continuation is of a solid build with a lateral branch. Covered by the end face 10 of a convex profile and/or profile with boss comes in covering the end face of a concave profile and/or profile with deepening.

In the General case and for cases of the devices shown in all the figures, it should be emphasized that after laying on the ground or retention in the soil, the unit cannot move either in vertical or in the transverse direction under the influence of erosive flows, or to float in the surrounding fluid, due to its lower part 1 which is provided with means for fixing in the ground, consisting of a base 3, if necessary, supplemented by the anchoring elements 9 or ballast 15, depending on the magnitude of the pulling effort. The fastening device may be reinforced by any bolasterone or anchor means depending on the relative densities of the material of the device and erosive fluid, as well as on the energy of this fluid in the working area.

On the lower surface of the base 3 of the device operates the first hydrostatic pressure lower than the hydrostatic pressure of the surrounding erosive fluid, in accordance with the tightness of the surface of the base, which may be, for example, augmented fluid for example, rain, sea current, tide, wind increases the rate of erosion proof Foundation is a barrier to transmission of pressure on the ground under the device and increases the differential between the hydrostatic pressure and pressure erosion of the fluid on the fairing and/or inside it.

Thus, the surface formed by the base 3 and the deflector 5, the effect of the suction Cup, whereby the device is pressed to the ground.

The base 3 and the skirt 12 preferably are made of impermeable elastomer and traction can be increased by performing on the bottom surface of the base of the relief similar to the relief of the tires.

The device may consist of a single monoblock details obtained rotational molding of polyethylene. Relevant material may be concrete or reinforced concrete.

The device according to the invention, is resistant to pulling force developed erosive fluid environments, which can take up to 12 tons per 1 m2(in the coastal zone) and 100 kg per 1 m2in the case of wind erosion.

The device according to the invention can also be PR is, which then leads, respectively, to the growth of dunes and raise the terrain.

According to an advantageous variant of the invention, the base is made with a concave bearing surface facing to the ground, with a large span of the concave portion allows the base to deflect and contact with the concave vault with the underlying alluvial soil, resisting sliding and separation. Using anchor and ballotirovatsya means according to the invention, the device is firmly fixed in the ground since it was laying on the ground.

One of the advantageous embodiments, the side fairing 5 tangential to the horizontal and allow, therefore, to strengthen the fixation of the device after its fixation in the soil, resisting the efforts of isolation, develop erosive fluid environments.

According to another advantageous variant implementation, the base 3 is flexible and contains a solid impermeable canvas flat at rest.

To erosive fluid means of the upward movement of the deflector 5 should be acting, for example, to have a parabolic shape, a semi-cylindrical shape, or a saddle shape and to have the Board placed horizontally or for which you preferably greater than 1.5 so, that the width of the surface can be three times the height and length of 1.5 to 6 times the width.

Holes 7 can have different sections: an area of several square centimeters or decimeters, regular shape, preferably oblong, to allow them to overlap on the inside. Thanks to its light weight, the device can be used on slopes waterways and can be mounted on any anchor bracket fastened in the slots 18 or grooves 21.

In that case, if the upper and lower parts do not form a single one-piece part, they are connected by bolts or any other means compatible with the chemical and mechanical properties of the material.

1. Device for control of erosion of soils containing one or more modules, each of which contains a base, provided with means for fixing to the ground, and the upper convex part, wherein the base module is made impermeable, flat or concave variable stiffness, and the upper part is made with a longitudinal flanging and with the possibility of rigid connection with the base.

2. The device under item 1, characterized in that the module is made of solid ustroystvo on PP.1 and 3, characterized in that the module is airtight.

5. The device according to p. 3, characterized in that the upper part of the module has holes on the side, or top, or sides, or top and sides.

6. The device according to p. 3, characterized in that the upper part of the module has one hole along the entire length.

7. The device under item 1, characterized in that the ends and/or sides of the module are the elements connect with each other.

8. The device under item 1, characterized in that one or both ends of the module have drain aprons.

9. The device according to p. 3, characterized in that the cavity of the module at least partially filled with ballast.

 

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