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вторник, 19 ноември 2019

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Geogrid Print E-mail

Development of geogrids began in 1979 at the request of the U.S. Army. The material is used for years in Europe, America, the Middle and Far East in the construction of roads, dams, canals, dams, retaining walls, pipes and any other equipment requiring a stable foundation and resistance to the elements.

Geogrid is a kind of geosynthetics, which in itself is a two or three dimensional cellular structure in a “honeycomb” form made by needle loom polyester, polyethylene or polypropylene band, fastened and welded to each in a high strength. Superimpose on the ground the cells are filled with inert materials ( soil, sand, gravel, fraction) or concrete and with a minimum material consummation, significant increase portability of the base. This in turn leads to significanly redice time and cost of building roads, alleys, sidewalks and parking lots.

Thrace Group biaxial geogrids are manufactured from polypropylene (PP) sheets using the extrusion method of punching a pattern of holes, followed by stretching under controlled temperature in both directions in order to increase the material’s tensile characteristics.

USES & FUNCTIONS

Used both to decrease the fill material thickness and to increase the bearing capacity of the underlying soil material. The apertures of the biaxial geogrids aid in aggregate interlock thus allowing for effective reinforcement and soil confinement. Geogrids when combined with other geosynthetics can be used for asphalt overlay, waterproofing, separation and stabilization. Geogrids can also be used to construct mattresses to be placed on soft soils.

FEATURES & BENEFITS

  1. Tensile properties ranging from 15kN/m to 40kN/m.
  2. Opening sizes between 25mm and 66mm.
  3. Offer construction time savings due to their ease of installation and cost savings resulting from the reduction in the required fill material.
  4. Fulfill a reinforcing function in the ground structure of cohesive, noncohesive, and coarse grained soils due to their structural tensile strengths.

 

APPLICATIONS

Roads, railways

 

 

 

NAME OF PRODUCT

TENSILE STRENGTH MD

(kN/m)

TENSILE STRENGTH CD

(kN/m)

 

ROLL WIDHTH x LENGTH

(м)

TG1

13

20

3,90x50

TG2

20

30

3,90x50

TG1515

15

15

3,90x50

TG2020S

20

20

3,90x50

TG2020L

20

20

3,90x50

TG3030S

30

30

3,90x50

TG3030L

30

30

3,90x50

TG4040S

40

40

3,90x30

TG4040L

40

40

3,90x30