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Three - dimensional geocomposite drainage net

Keyword: Three - dimensional geocomposite drainage net

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　　Performance characteristics of three-dimensional geocomposite drainage net:

　　Three-dimensional geocomposite drainage net is made of high-density polyethylene. The ribs are extruded through a special die. The three ribs are arranged at a certain spacing and angle to form a three-dimensional space structure with drainage channels. The middle rib has greater rigidity, forming a rectangular drainage channel. The three layers of ribs that make up the drainage net have high longitudinal and transverse tensile strength and compressive strength. The drainage channels formed between the three layers of ribs are not easy to deform under high loads, which can prevent geotextiles from embedding into the geonet core and ensure smooth drainage. Three-dimensional geocomposite drainage nets are available in high-strength and high-conductivity types according to their uses.

Technical parameters

Project	p: technical indicators
Product name	Mass per unit area (g/m2)	Quality deviation%≤	Thickness (mm)≥	Breaking strength ≥KN	Hydraulic conductivity 1: 0.1 ≥500kpa m2/s	Width deviation	Length deviation
Three-dimensional drainage network	850	-6	5	10	2.0×10-4	-0.06m	-1.0m
	900		6	10
	1000		7	10
	1200		8	10
	1700		9	10
Geotextile	200	-5	—	10.0	―	一	—