Uniaxial tensile geogrid

31-07-2019

Uniaxial tensile geogrid


The Uniaxial geogrid is a kind of high-molecular polymer as the main raw material, and a certain anti-ultraviolet and anti-aging additive is added. After uniaxial stretching, the original distributed scattered chain molecules are rearranged in a linear state. High-strength geotechnical material which is extruded into a thin plate and then punched into a regular hole net and then longitudinally stretched. In this process, the polymer is oriented in a linear state and a long elliptical network-like monolithic structure with uniform distribution and high joint strength is formed. This structure has a very high tensile strength and tensile modulus, tensile strength of 100-300KN / m, close to the level of low carbon steel, much better than traditional or existing reinforced materials, especially the company These products have a high international level (extension of 2% - 5%) tensile strength and tensile modulus. The chain system that provides the ideal force for bearing and diffusion. The product has a high tensile strength (>150Mpa) and is suitable for various soils.

geogrid


Uniaxial geogrid application:


  • Used to reinforce weak foundation: Geogrid can rapidly improve foundation bearing capacity, control the development of settlement, and the lateral action of the road base can effectively distribute the load to a wider subbase, thereby reducing the thickness of the base layer and reducing the engineering. Cost, shorten the construction period and extend the service life.


  • Uniaxial geogrid is used for reinforced asphalt or cement pavement: geogrid is laid on the bottom of asphalt or cement pavement to reduce the depth of rutting, prolong the fatigue life of pavement, and reduce the thickness of asphalt or cement pavement to save costs.


  • It is used to reinforce the embankment and the retaining wall: the filling of traditional embankments, especially high embankments, often requires overfilling and the edges of the shoulders are not easy to compact, which leads to the infiltration of rainwater in the later slopes, and the phenomenon of collapse and instability sometimes occurs. At the same time, it is necessary to use a gentle slope, a large area, and the same problem with the retaining wall. The use of geogrid to reinforce the embankment slope or retaining wall can reduce the area of one-half, prolong the service life and reduce The cost is 20-50%.


  • It is used to reinforce rivers and seawalls: it can be used as a stone cage, and then used together with the grille to prevent the dam from being collapsed by seawater. The stone cage is permeable, can slow the impact of the waves, prolong the life of the dam, save manpower and material resources, and shorten the construction period.


  • It is used to treat landfills: geogrid and other soil synthetic materials can be used to treat landfills, which can effectively solve problems such as uneven settlement of foundations and derivative gas emissions, and maximize the storage capacity of landfills.


  • Special application of uniaxial geogrid: low temperature resistance. Adaptation - 45 ° C - 50 ° C environment. Applicable to the less grazed soil in the north, the frozen tundra, and the high geological frozen soil.


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