The way alluvium soil structures

 

The method relates to the field of technology by dredging, mainly used for reclamation embankments unpaved roads and industrial sites. The technical result is to reduce the labor intensity and increase the density of the surface layer of alluvial roads and sites. In the way of reclamation of ground facilities, including the supply of slurry, alluvium embankment construction, water diversion, at the first stage the feed slurry to produce aggradation of the main canvas sand pile, dehydrated sandy embankment to a moisture content of the surface layer of 15-20%, removing the water, then wet sand on the mound cell stack carpeting, utaplivaja them up to 50% of the height of the cell, which is filled with slurry with a concentration of 75 to 85% by volume of the material and compacted slurry by filtering water and its diversion, and diversion of water passes through the slope of the structure. 1 Il.

The invention relates to the field of technology by dredging, mainly used for reclamation embankments unpaved roads and industrial sites.

The closest analogue is the way of reclamation of the soil structure, vkljuchaju thickened slurry on the distribution pipe in the area of reclamation, alluvium embankment construction, diversion of water from the thickener into the quarry (RF patent 2078172, E 02 In 7/06, 27.04.1997).

The disadvantage of this method when applied to roads and markets is the low density of the surface layer structures, the necessity of its seal and periodic alignment during operation.

The objective of the invention is to reduce the labor intensity and increase the density of the surface layer of alluvial roads and sites.

The solution of the stated problem is achieved in that in the method of reclamation of ground facilities, including the supply of slurry, alluvium embankment construction, water diversion, at the first stage the feed slurry to produce aggradation of the main canvas sand pile, dehydrated sandy embankment to a moisture content of the surface layer of 15-20%, removing the water, then wet sand on the mound cell stack carpeting, utaplivaja them up to 50% of the height of the cell, which is filled with slurry with a concentration of 75 to 85% by volume of the material, and compacted slurry by filtering water and its diversion, and diversion of water passes through the slope of the structure.

The essence of the method and an example of its implementation are illustrated by the drawing, which shows a flow chart of reclamation Doo and the expandable pipe 1 from the dredger, working on the ground in his career, served in the thickener slurry 2 placed on self-propelled chassis 3. The thickener helps to thicken the initial slurry to a concentration of 75 to 85% by volume of the material in friable addition.

The slurry is pumped from the thickener through distribution pipe 4, which is provided by the change of the distance to outlet 5.

In the first stage, the slurry is fed from the distribution pipe through the outlet located at the greatest distance from the thickener, and is exploited section of the main canvas sand pile 6. The surface area of the mound is aligned using, for example, bulldozers and after partial removal of moisture through the slopes in the drainage channels to a moisture content of 15-20% on the mound stacked cell carpet 7. Carpet can be made of synthetic material. They are separate panels of various sizes, such as 2 x 2 m, and can be foldable type "accordion" for ease of transportation and reduce the amount of storage and warehousing. Cell cell coatings can be of various configurations, such as end-to-end or double-sided, with an average of perforated Prigorodnoe sink into the wet sand up to 50% of the height. This is easily achieved in the design of cellular coatings with average horizontal partitions and at the specified optimum for the operation range of the moisture content of the sand. Embedding stretched coatings in wet sand by the specified value provides the most reliable their fixation to the subsequent pouring of the slurry.

Laying and embedding carpets in the sand with a moisture content less than 15% cause difficulty because of its excessive density, and at a humidity of more than 20% is not a reliable fixation of the stretched coatings to fill with slurry.

Fill cell coatings produce a slurry with a concentration of 75 to 85% by volume of the material closest to the thickener outlet distribution pipes, changing its angular position by turning.

Fill cell carpeting a slurry with a concentration of less than 75% leads to erosion of the lower layers of the sand pile excessive moisture. At the same time fill coating slurry with a concentration of more than 85% not provide the required density of packing of the sand particles in the honeycomb cells due to the lack of content in the slurry of water needed for the natural compaction of the sand.

Filling stavinoha fill cell with sand and seal when avifilerelease water. When this happens fairly dense packing of particles of sand, which does not require subsequent tamping.

After filling the cell carpeting the slurry residual moisture is drained by gravity from a building across the slopes in the discharge channels, which also plays the waste water from the thickener reverse drain pipe 8.

When the natural flow of water from upstream structures occurs spontaneously in the most efficient compaction of sand, which filled honeycomb carpet. This eliminates the need for subsequent mechanical compaction of the surface layer of the structure.

After compaction of the sand in the cellular cell coatings produce the following are similar to those described cycle alleviation works. When the thickener 2 on self-propelled chassis 3 is moved forward already carpeted the floor 7 and the build-up boot trunk pipeline 1 laid from the dredger.

The proposed method of reclamation soil structures has a number of significant advantages as compared to known technologies using means of dredging, and compared with conventional technologies bulk metabot can significantly strengthen the surface layer of the created structures and to extend the turnaround time of their operation. At the same time, the technology of laying cell coatings and filling the slurry with a certain concentration significantly reduce the volume of work compared with bulk methods of construction. The proposed technology can be successfully implemented using existing operating structures thickeners and dredgers. Production of special cell coating is easy on the modern equipment of existing factories for the manufacture of synthetic materials and products. This supports the industrial applicability of the proposed method of nanyuki soil structures. The proposal may be the most widely used in off-road conditions and harsh climatic conditions of Siberia and the Northern areas during the construction of roads and platforms for the oil companies.

Claims

Method of reclamation of ground facilities, including the supply of slurry, alluvium embankment construction, water diversion, characterized in that at the first stage the feed slurry to produce aggradation of the main canvas sand pile, dehydrated sandy embankment to a moisture content of the surface layer of 15-20%, removing the water, the EEK, that fills in a slurry with a concentration of 75 to 85% by volume of the material and compacted slurry by filtering water and its diversion, and diversion of water passes through the slope of the structure.

 

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