Geoponika reinforcing (options)

 

(57) Abstract:

The invention relates to the construction, namely the construction materials used in the construction, reconstruction and repair of roads, Railways, and runways on airports, sports venues, items, pavements, roadsides and grounds for reinforcing structural layers of the pavement. Geoponika contains reinforcing bars. New, in the first embodiment, is that the grille is made of continuous sheet covered with a protective layer, and made Leno weave harness, which is used as harness on the basis of basalt fibers, and as a protective layer using woven polymer fiber braid. The second option what's new is that geoponika equipped with non-woven or woven material, fixed to grid made Leno weave harness, which is used as harness on the basis of basalt fibers, and as a protective layer using woven polymer fiber braid. The technical result of the invention in the first embodiment is to improve the operational characteristics geopressure, namely the increase of strength is the eve ENT, as well as in improving the conditions of construction and repair works. The technical result according to the second variant consists in extending the functionality of geopressure while retaining all the advantages of the first option. 2 C. and 12 C.p. f-crystals, 2 ill., table 4.

The invention relates to the construction, namely the construction materials used in the construction, reconstruction and repair of roads, Railways, and runways on airports, sports venues, items, pavements, roadsides and grounds for reinforcing structural layers of the pavement.

Known Armagrandi composite geotextile material used in the construction of Armagrandi constructions of roads and Railways, earthworks, foundations and foundations of buildings and structures and consisting of a matrix representing a non-woven needle-punched material, and reinforcing elements, bonded with the matrix [RF Patent 2103439, CL E 01 5/20, 11/16, publ. 1998]. As reinforcing elements used strips of unidirectional continuous steklovata, pre-impregnated thermoplasty adhesive, is bonded with the matrix on the entire surface by the impact that atalonia characteristics, in particular the term of his service.

Known geoponika flexible multilayer coating made of smooth plates of light metals, waterproof paper, rubber, polymeric material, interconnected by welding or gluing, so that when the tension they form a honeycomb structure. The grilles are installed very close to each other on the width of the runway of the airfield (roads) and backfilled with soil [U.S. Patent 4797026, CL E 01 5/20, publ. 1989].

A disadvantage of the known geopressure roads and airfields is its relatively low bearing capacity, which is associated with the lifting of the soil from the cells when the contact pressure exceeds the tensile strength of the soil. This is due to several factors. First, insufficient adhesion of the primer to walls geopressure, resulting in high loads violated collaboration geopressure with filling material. Secondly, uneven reinforcement layer of soil within each cell. Thirdly, the reinforcing pattern layer of the soil, when cells geopressure top and bottom are opened (open). Fourthly, in the specified solution is not optimal from the point of view of maximum chosen to replace the road surface, which is used fiberglass mesh stitch. Mesh placed equidistant surface, the stacking direction of the grid coincides with the direction of movement of vehicles, and the dimensions of the grid cells selected based on the direction and length of the contact patch between the road surface and a tire of a wheel of the vehicle in the direction perpendicular to the axis of the wheel [RF Patent 2124089, CL E 01 7/32 stranded, publ. 1998].

Through the use of fibreglass mesh of compliance with these ratios of cell sizes in the road surface forms a monolithic layer having a significant bearing capacity and density, practically indestructible wheels of the vehicle and at the same time preserving the shock-absorbing properties. The monolithic layer provides good adhesion between glass and bituminous materials as well as oil tar, which is part of almost all road surfaces.

The disadvantages of the known geopressure pavement are the complexity of creating the roadway with the specified grid, consisting in the need for additional calculations of the parameters of the road during the road the ith layer.

The closest technical solution is proposed geoponika reinforcing containing the grid, made of a continuous sheet covered with a protective layer. As the protective layer using waste by-product coke production [RF Patent 2144106, CL E 01 7/18, publ. 1999].

The grid is made of fiberglass filaments of high strength. As a waste by-product coke production, a mixture of coal tar with fine particles of coal, coke and coke with a density of 1.29 g/cm3.

Coal tar provides a good grip mesh with asphalt and fine environment creates roughness between them, which also increases sdvigoustojchivosti, strength and crack resistance.

Known geoponika provides increased transport performance coatings and increases turnaround time.

The disadvantages of the known geopressure reinforcement is the difficulty of carrying out road works. Practice maintenance and repair of reinforced asphalt pavements by steklosetkami showed that when exposed to road mill is sticking fusion of polyethylene that is gives high brittleness and has no acid.

The objective of the proposed technical solution in the first embodiment is improved performance geopressure, namely improving the tensile strength at lower relative elongation, increased kislotostojkuju and its adhesion with asphalt concrete pavement, improvement of conditions of building and repair works.

The objective of the proposed technical solution according to the second option is to expand the functionality of geopressure while retaining all the advantages of the first option.

This is accomplished by the fact that in the first embodiment in geopressure reinforcing containing a grid made of a continuous sheet covered with a protective layer, the lattice is made Leno weave harness, which is used as harness on the basis of basalt fibers, and as a protective layer using woven polymer fiber braid.

Preferably the braid run from polyester yarn or plastic monofilament.

It is advisable braid of polyester yarn cover impregnation, which is to use latex or bitumen.

Suitable lattice geopressure to do with square or R is, tereasa lattice, made of continuous sheet covered with a protective layer, provided with a non-woven or woven material, fixed to grid made Leno weave harness, which is used as harness on the basis of basalt fibers, and as a protective layer using woven polymer fiber braid.

Preferably as a non-woven or woven material to use material on the basis of basalt fibers or glass fibers.

Preferably the material to solidify on the grid, through the impact of temperature, pressure or stitching.

It is advisable to obtain geopressure waterproofing the last to process bitumen binder as the contour of the cells, and their overlap.

It is advisable as the asphalt binder to use mastic rubber-bitumen composite or road bitumen modified.

Preferably the braid run from polyester yarn or plastic monofilament.

It is advisable braid of polyester yarn cover impregnation, which is to use latex or bitumen.

It is advisable grid geopressure run 2">

In Fig.2 - geoponika with rhombic mesh.

Geopressure to perform them are divided into reinforcing (GDS - first option) and combined (GDK - second option).

Geoplano reinforcing in the first embodiment is manufactured as follows.

Receive continuous harness on the basis of basalt fibres. For this purpose, the melt basalt flow through the die plate electric melting unit. Received in this thread oil to prevent them from bonding.

Next, the harness is placed in chloroplatinic machine, for example, class HP-100/2-16, which is made braided braid made of polymer, for example, Mylar thread (111 Tex GOST 24-662-94 THAT 6-06-C-87) or polyethylene monofilament (TU 6-13-43-96).

From the obtained harness with braid made Leno weave the geogrid. The latter can be obtained by hand using needle and polička or netting machine (type TDM-35). The geogrid perform with square or diamond mesh.

To improve wear resistance and moisture resistance braid of polyester cover impregnation, for example, the best choice latex BSM-65 on THE 38103579-85. To this end, the PEX hours then the roll is removed from the bath during the day kept in air to remove residual solution of latex.

Geoponika combined by the second option is a combination geopressure reinforcing (first option) and non-woven or woven material on the basis of basalt or glass fibers.

As a non-woven material can be used fiberglass cloth haloprogin brand PSC-T (1000) (TU 6-48-97-93), canvas on the basis of basalt fiber (TU 5953-037-002004949-96), heat and sound insulating material brand ATM-1 (TU 10-04-16-49-87).

As the woven material can be used basalt fabric construction brand BT-11, BT-13 (TU 5952-031-00204949-95), tissue structural glass brand T-11 (GOST 19170-73), bazaltovoloknistye tissue (TU 5952-038-00204949-96).

Fabric can be bonded with geogrid through the effects of temperature, pressure or crosslinking with the use of specialized equipment (autoclave, press, stitch machines).

To receive waterproofing geopressure (the second option) last cover asphalt binder (bitumen based mastic composition (TU 2384-003-40010445-2000 is lowered through the bath with a bituminous binder, at the output of which geoponika to prevent sticking when rolling into a roll covered from both sides with polyethylene.

The indicators used for braiding plaits geopressure presented in table.1.

The molecular orientation of the polymer, which occurs during the production of the geogrid, leads to a number of important physical changes.

Because orientation is through the nodes, it forms a uniform lattice different from pseudoatom, which are woven or welded joints.

High module provides the mobilization of high tensile strength at low voltages.

Typical polymers tendency to deform under continuous load (creep) is significantly reduced, which was confirmed by long-term tests.

The joint strength can be measured using the test method which was developed Drexels University and is based on the capture and loading of the T-shaped part of the sample.

The strength of the connection is expressed as a percentage of the ultimate tensile strength of one of the ribs.

Typical results are as follows (terms ispy/P> Depending on structural and technological appearance geoponika in the first embodiment is manufactured in the modification according to the table.3.

Geoplano made not impregnated or impregnated best choice latex BSM-65 (TU 38103579-85) or road bitumen, modified rubber crumb (TU RF-002-97(U).

Geoponika provides the following physico-mechanical properties (average values) specified in the table.4.

The technique of laying heapalloc is as follows.

Preparation and compaction of base

In case of repair or strengthening operated asphalt pavements the basis is the surface of the old coating, which must be prepared in accordance with the requirements of section 8 "technical rules of the repair and maintenance of motor roads" VSN 24-88 (M, Transport, 1989). On the surface of the old coating must be removed all the defects made sealing cracks, macnasty, liquidity irregularities, etc.

Laying and fixing geopressure

Geoponika laid on the prepared substrate by rolling the roll in the longitudinal direction. To secure the specified products in the Popper the first base of the pins at both ends of the roll. The pins should be in the upper part of the cap or bend to the strength of fixation of the product.

The pins are hammered into the base on each side of the roll at least 2 m from each other. The height of the pin above the base surface should be no more than 1 cm

Bottling and distribution of binder

Spill binder to ensure the adhesive bond geopressure with a layer of Foundation and a layer of asphalt concrete is produced at the rate of 0.4-0.6 l/m2on one half of the roadway at one time without gaps and breaks.

As a binder can be used for viscous and liquid petroleum bitumen GOST 22245-90 and GOST 11955-82, oil tars, meeting the requirements of the "technical guidance on the use of oil tars (residual bitumen in road construction, bitumen road emulsion according to GOST 18659-81.

The laying of asphalt mixes

Laying asphalt mix produced in accordance with the instructions of the Manual on the construction of asphalt concrete pavements and bases for roads and airfields" M 1991

Laying hot asphalt mix type shall be allowed to if the air temperature is not lower than the 5oshould not be below 140oWith and not higher than 160oC. the length of the stacked strips when the air temperature is 5-10oWith taken no more than 25-30 m, and if the air temperature is 15-25oWith - in the range of 30-100 m

When laying geopressure impregnated with bitumen, applying a layer of asphalt concrete pavement is directly on the layer of prepreg without additional spraying of bitumen with a strict observance of a temperature mode of stacked coverage.

Geoponika in the first embodiment in the road design has a reinforcing effect (reinforcement layers of the road pavement, shoulders, strengthening of slopes). This geoponika predetermines: increase bearing capacity and reduce the deformation of the individual layers of road pavements (base, the upper part of the roadway, surface); exception propagation from the bottom of the cracks in the ceiling of the old destroyed coverage; reducing uneven frost heave designs, uneven sediment subgrade constructed on soft soils; increasing the carrying capacity of thin-layer embankments during construction of temporary roads and the stability of the embankments.

Geoponika combined by the second option when using non-woven or distribution of mixing of various construction materials during the technological processes of construction, and in the process the use of construction plant and equipment.

Filtering, i.e., prevent soil erosion in areas of contact between the various soil and on the surface of the earth.

Drainage, i.e. water abstraction from samples or from the place of contact of the soil with a massive building structures.

Different types of protection, i.e. protection of sensitive structural elements from technological or long-term structural loads (for example, protective layers/coatings on polymeric sheet/roll waterproofing materials.

Sealing and compaction, i.e., use as sealing and insulating elements in the construction of various structures, including underground: dams, dikes, embankments, landfill sites, tunnels, etc.

Gasket, i.e. the use for the manufacture of large structural elements to strengthen protections, protection) of bottom and coastline in hydraulic engineering, for making exciting of dams, etc., filled with soil and geosynthetic elements (e.g., filled with sand bags or sleeves).

Advantages of applying for the objective cell size and polymeric bases can be chosen in accordance with local conditions.

The possibility of construction works in all climatic conditions.

Coordination and simultaneous implementation of many functions.

Easy cleaning of construction sites without increasing construction time.

Simplicity and quality to ensure compliance with structural and technological requirements.

Geoponika is used to increase the service life of the road surface, delaying the beginning of a structural failure in cases where the original design of the pavement has low strength of the base, accompanied by high axle loads, heavy traffic flow or the formation of reflected cracks.

Geoponika reduces the structural thickness of the pavement. Calculations show that allows the asphalt to withstand the large initial deformation resulting from traffic loads. This gives an opportunity to significantly reduce the thickness of the pavement compared to the unreinforced upper layer, when using geopressure it is possible to reduce its thickness up to 35%, you can avoid the costly process of raising the roadway of the streets and intersections of the city.

Geopi by a factor of ten, reduces the thickness of the pavement up to 40% reduces rutting up to 70%, reduces the formation of reflected cracks in the road surface, reduces the level reflected from the surface of the pavement sound pressure, the source of which is the vehicle that is cost-effective, improves the construction of roadways, reduces maintenance costs and repairs.

1. Geoponika reinforcing containing a grid made of a continuous sheet covered with a protective layer, characterized in that the lattice is made Leno weave harness, which is used as harness on the basis of basalt fibers, and as a protective layer using woven polymer fiber braid.

2. Geoponika reinforcing under item 1, wherein the braid is made of polyester yarn or plastic monofilament.

3. Geoponika reinforcing under item 2, characterized in that the braid of polyester yarn covered by impregnation.

4. Geoponika reinforcing under item 3, characterized in that the impregnation use latex or bitumen.

5. Geoponika reinforcing under item 1, characterized in that the grating g is a lattice, made of roving tow, covered with a protective layer, characterized in that it is equipped with non-woven or woven material, fixed to grid made Leno weave harness, which is used as harness on the basis of basalt fibers, and as a protective layer using woven polymer fiber braid.

7. Geoponika reinforcing under item 6, characterized in that as non-woven or woven material using material on the basis of basalt fibers or glass fibers.

8. Geoponika reinforcing under item 6, characterized in that the material is fixed to grid through the effects of temperature, pressure or stitching.

9. Geoponika reinforcing under item 6, characterized in that for obtaining geopressure waterproofing the last process of the bitumen binder as the contour of the cells, and their overlap.

10. Geoponika reinforcing under item 9, characterized in that the bitumen binder used mastic rubber-bitumen composite or road bitumen modified.

11. Geoponika reinforcing under item 6, wherein the braid is made of polyester yarn or politisite covered impregnation.

13. Geoponika reinforcing under item 12, characterized in that the impregnation use latex or bitumen.

14. Geoponika reinforcing under item 6, characterized in that the lattice geopressure made with square or diamond mesh.

 

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