A soil-fixing, water-seeping, bearing new type environmental protection geotechnical material and its preparation method
A geogrid and modification technology, applied in soil protection, chemical instruments and methods, infrastructure engineering, etc., can solve the problems of inability to waterproof, large investment, long construction period, etc., and achieve the effect of excellent high and low temperature resistance.
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[0022] A geotechnical material, its composition in parts by weight is: A-5-20 parts of random polypropylene, B 80-90 parts, C 10-30 parts, D-color masterbatch 2-10 parts. B is glass fiber modified polypropylene or carbon fiber modified polypropylene, and C is low pressure polyethylene. In the glass fiber modified polypropylene, the glass fiber is 10-30%, and the carbon fiber in the carbon fiber modified polypropylene is 10-30%. The preparation method is as follows:
[0023] (1) Add D to A and mix well, put it into the A extruder, knead and plasticize it, put B into the hopper of the B extruder, knead and plasticize it, and put C into the hopper of the C extruder, knead and plasticize it Extrusion; extrusion processing temperature is controlled at 160-280°C;
[0024] (2) Divide B extruded material and C extruded material obtained in step (1) into double-layer complexes of B and C through a distributor, and then enter a stacking machine to superimpose and extrude a stacked com...
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