Reinforcement effect of Reinforcement Plastic Geogrid on Subgrade
The reinforcement effect of the Reinforcement Plastic Geogrid to the subgrade and the plastic geogrid reinforced layer have obvious effect on preventing the longitudinal cracks of the subgrade (embankment) and improving the integral and uneven settlement of the subgrade (embankment). The reinforcement measures are also adopted in the high embankment section with high ice content freezing.
The Reinforcement Plastic Geogrid is punched on the extruded polymer sheet, which is mostly polypropylene or high density polyethylene, and then is subjected to directional stretching under heating conditions. The reinforced layer plays an important role in construction. The actual reinforcement test results show that the reinforced embankment with geogrid is more uniform than that of the unreinforced embankment; it shows that the uniform distribution of the geogrid reinforcement corresponds to the stress distribution.
In the protection of some cutting slopes in the frozen area, the reinforced slope structure is also adopted. The preliminary practice shows that the reinforced slope protection structure under the freezing thawing environment of the high cold region can meet the requirements of maintaining the stability of the slope. High density poly (ethylene) unidirectional stretch grille and two-way warp knitting (high-strength polyester) grille are used in the stiffened wall, and the freezing and thawing cycle is required at -45 C at low temperature for 200 times, and the tensile strength is not less than the design value.
Contact: Nicky Li