Geogrid/Geosynthetics arr_right_inav

Geosynthetics-Geograd

Description Specifications Scope of Application FAQ Download

Description

Geogrid is a reinforced geosynthetic material with a regular grid pattern formed by combining tensile strip units, primarily using polymer materials as the main raw material. Its open apertures allow for the embedding of fill materials, making it widely applicable in soft foundation reinforcement treatment. YH Biaxial geogrid is made of high molecular polymer after extruded and laminated and punched into regular mesh before longitudinal stretching.The material on the longitudinal and transverse has great tensile strength,this kind of structure in the soil can also provide a more effectively undertake the chain and the spread of the thought system, suitable for large area of permanent bearing foundation reinforcement.

Specifications

Application Instructions

【Construction Technology】

· Base inspection → On - site measurement and lofting → Laying - Lap treatment → Inspection and acceptance

【Construction key points】
Installation Requirements:

· Construction Site Requirements: The site must be compacted and leveled with a horizontal surface, free from sharp protrusions.

· Grid Installation: On the prepared and compacted ground, install the geogrid with their primary stress direction (longitudinal) perpendicular to the embankment axis. Ensure smooth installation without wrinkles and maintain maximum tension. Use stakes and fasteners for secure placement. The grid should preferably be continuous without joints, with manual lacing connections between sections that meet at least 20cm wide. For multi-layer installations, stagger the seams between layers. After large-scale deployment, perform comprehensive leveling adjustments. Before compaction after each soil layer is placed, manually or mechanically tighten the grids uniformly to ensure full tension in the soil.
· Following geogrid installation, manually place upper fill materials and complete compaction promptly. Avoid prolonged sun exposure, then proceed with mechanical material transport, leveling, and compaction. Implement mechanical spreading and rolling from both sides toward the center, maintaining compliance with specified density requirements throughout the process.

Characteristics and Packaging


Item	Description
Packaging	Roll
Width (m)	3~6
Length (m)	50
Roll Size (m2/roll)	150~300

Properties

Properties	Unit	Inspection Standards	Product Specification
			15-15	20-20	25-25	30-30	35-35	40-40	45-45	50-50
Tensile strength(min)	kN/m	ISO 10319	15	20	25	30	35	40	45	50
Strength At 2% Elongation	kN/m	ISO 10319	5	7	9	10.5	12	14	16	17.5
Strength At 5% Elongation	kN/m	ISO 10319	7	14	17	21	24	28	32	35
Elongation At Nominal Strength(MD)*	%	ISO 10319	15
Elongation At Nominal Strength(CMD)*	%	ISO 10319	13

Features & Benefits

· Exhibits high tensile strength.

· Demonstrates minimal stress elongation rate, providing excellent lateral confinement and reinforcement capabilities for structures.

· Possesses superior physical and chemical stability, with outstanding resistance to aging, soil burial, and corrosion.

· Features a high friction coefficient, and its mesh structure fully integrates with soil-rock formations to enhance structural stability.

· Exhibits strong resistance to environmental stress and has a low coefficient of thermal deformation.

Scope of Application

Make reinforcement treatment for various kinds of soft soil foundation to evenly distribute load stress and reduce un-even settlement , used in highway ,railway,port , airport and municipal.

FAQ

Q1: What is a geomembrane?

A geomembrane is a synthetic membrane liner or barrier used to control fluid migration in a wide range of civil, environmental, and industrial applications.
Q2: Why should I choose a geosynthetic barrier instead of traditional clay liners?

Geosynthetics offer superior impermeability, faster installation, reduced thickness requirements, and higher chemical resistance compared to traditional compacted clay liners.
Q3: How long does a geomembrane last?

Depending on the material and environmental conditions, service life can range from 30 to over 100 years.
Q4: Is it safe for drinking water or sensitive environmental applications?

Yes, certain geomembranes are certified safe for potable water use and meet environmental regulations like NSF or GRI-GM standards.
Q5: What factors should be considered when selecting a geomembrane?

Key factors include chemical resistance, mechanical strength, UV resistance, site conditions, expected service life, and installation method.
Q6: How thick should the geomembrane be?

Common thicknesses range from 0.5 mm to 3.0 mm, depending on application requirements and site-specific conditions.
Q7: Are there international standards or specifications for geomembranes?

Yes, ASTM, ISO, and GRI (Geosynthetic Research Institute) standards provide guidelines for testing and performance.