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Function advantage and performance parameters of PP geogrid

Categories:NEWS
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Time of issue:2020-05-05
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(Summary description)PP geogrid is a geotextile formed by extrusion and drafting with polypropylene as the main material, adding anti-aging agent and other auxiliaries. It is a two-dimensional grid or a three-dimensional

Function advantage and performance parameters of PP geogrid

Categories:NEWS
Author:
Origin:
Time of issue:2020-05-05
Views:0

Information

Description: PP geogrid is a geotextile formed by extrusion and drafting with polypropylene as the main material, adding anti-aging agent and other auxiliaries. It is a two-dimensional grid or a three-dimensional grid with a certain height. PP geogrid is made of polymer through extrusion, plate forming, punching process and then longitudinal and transverse stretching. The material has great tensile strength in both longitudinal and transverse directions.

PP geogrid is a kind of reinforced building material for subgrade, which uses resin polypropylene particles to melt and cool into strips through a hot melt machine, and the strips are welded into a network structure through an ultrasonic welding machine.

1、 The function advantage of PP geogrid

PP geogrid is a geotextile formed by extrusion and drafting with polypropylene as the main material, adding anti aging agent and other auxiliaries. It is a two-dimensional grid or a three-dimensional grid with a certain height.

At present, there are many manufacturers of PP geogrid all over the country, with different product quotations. The price is affected by raw materials and regional differences. A good product should be a penny for a penny, and the price should be quoted according to product specifications.

In addition, the price of PP geogrid is generally calculated according to the Kilonewtons, i.e. 10kN / m, 20KN / m, 50kN / M and so on. The higher the pull force is, the higher the price is. Different raw materials, different pulling force, different price.

It has been proved that the friction between the geogrid and the soil is large. The pseudo friction coefficient of PP geobelt is greater than 0.5, and the contact area between Geogrid and soil is more than 20% - 50%. Under low strain, it can produce very high tensile modulus, and the longitudinal and transverse ribs cooperate, which has a great interlocking effect on soil. The construction is simple, the construction period is short and the cost is low.

The deformation of PP geogrid is small, and the ultimate elongation of PP geobelt is less than 8%. The ultimate tensile strength of geogrid is over 180 kn per linear meter. Complete models, single and two-way, to meet the needs of different projects.

Performance advantages of PP geogrid:

2、 Specifications and performance parameters of PP geogrid

PP geogrid is made of polymer through extrusion, plate forming, punching process and then longitudinal and transverse stretching. The material has great tensile strength in both longitudinal and transverse directions. This kind of structure can also provide an ideal chain system of more effective force bearing and diffusion in the soil, which is suitable for the foundation reinforcement of large area permanent bearing.

Product characteristics of PP geogrid

1. PP geogrid can increase the bearing capacity of Road (ground) foundation and extend the service life of long road (ground) foundation.

2. prevents the road (ground) surface from collapsing or producing cracks, and keeps the ground beautiful and tidy.

3. The construction of PP geogrid is convenient, time-saving, labor-saving, shortening the construction period and reducing the maintenance cost.

4. PP geogrid shall prevent the culvert from cracking.

5. PP geogrid enhances soil slope to prevent water and soil loss.

6. PP geogrid can reduce the thickness of cushion and cost.

7. The PP geogrid supports the stable greening environment of grass planting mat on the slope.

8. The PP geogrid can replace the metal mesh and be used for the underground false roof mesh of coal mine.

Application of PP geogrid products

PP geogrid is suitable for all kinds of embankment and subgrade reinforcement, slope protection, tunnel wall reinforcement, large airport, parking lot, wharf freight yard and other permanent bearing foundation reinforcement.

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