Geogrid

Structure & Composition

1. Core Components

• Reinforcement: High-tensile steel wires (1.5-5mm diameter)

• Encapsulation: Co-extruded HDPE/PP coating (0.5-2mm thickness)

2. Geometric Configuration

• Mesh pattern: Rectangular (typically 50×50mm to 100×100mm apertures)

• Rib dimensions: 3-10mm width × 1-3mm thickness

• Surface texture: Embossed for enhanced soil interlock

Technical Advantages

Mechanical Properties

Durability Features

• Corrosion Protection: 100% steel wire encapsulation

• UV Stability: ≤5% strength loss after 10,000 hrs (ISO 4892)

• Chemical Resistance: pH 2-12 (ASTM D5322)

Construction Benefits

• Weight: 300-1500g/m² (easy handling)

• Flexibility: Minimum bend radius = 30× thickness

• Connection: Modular clips allow continuous installation

Engineering Applications

1. Transportation Infrastructure

• Roadways:

• Reduces rutting by 60-80% in soft subgrades

• Increases bearing capacity (CBR improvement ≥5 points)

• Railways:

• Ballast reinforcement (reduces maintenance by 40%)

• Slope stabilization (up to 70° gradients)

2. Water Conservancy

• Embankments:

• Increases slope safety factor from 1.2 to 1.8

• Reduces seepage by 50-70% when combined with geomembranes

• Coastal Protection:

• Wave impact resistance up to 5t/m²

3. Mining Engineering

• Tailings Dams:

• Withstands 10m+ hydraulic heads

• Service life >25 years in acidic conditions (pH≥3)

Product Specifications

Standard Series

Custom Options

• Material: SS316 wires for extreme corrosion environments

• Coating: Conductive polymers for cathodic protection

• Geometry: Triangular mesh for high shear applications

Installation Guidelines

1. Subgrade Preparation

• Compact to 95% Proctor density

• Maximum particle size ≤1/3 aperture size

2. Deployment

• Unroll along primary stress direction

• Maintain 1-2% prestress during placement

3. Connection

• Overlap: 300-500mm with U-clips @ 1m intervals

• Seaming: Thermal bonding for critical applications

Quality Assurance

Testing Standards

• Material: ISO 10319 (wide-width tensile)

• Durability: ASTM D7238 (oxidative induction time)

• Installation: GRI GG7 (construction QC)

Certifications

• CE Marking (EU)

• CRCC (Chinese Railway)

• AASHTO M288 (USA)

Title: "Steel-Plastic Composite Geogrids: High-Performance Reinforcement for Modern Infrastructure"

Sustainability Benefits:
◉ 30% material reduction vs. traditional methods
◉ 100% recyclable (separated steel/plastic components)
◉ Extends structure service life by 2-3x

Technical Support:

• Finite element analysis for custom designs

• On-site installation training

• Long-term performance monitoring systems