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Breakwaters Formwork

Tetrapod Steel Moulds for Breakwaters | High-Precision Precast Formwork

Engineered for the demanding environments of marine infrastructure, Hyson Industry’s Tetrapod Steel Moulds define reliability in coastal protection projects. Unlike standard formwork, our moulds are crafted to withstand the high-intensity vibration and repetitive casting cycles required by modern precast yards.

Hyson Industry’s Tetrapod Steel Moulds are the backbone of modern "breathable breakwaters." Designed to cast four-legged, interlocking concrete structures, our moulds enable the production of coastal defense units that effectively dissipate wave energy rather than blocking it.
Unlike traditional block moulds, Hyson’s solution focuses on hydrodynamic stability. Engineered with a low center of gravity (1/3 of edge height) and high-precision interlocking geometry, the resulting concrete units naturally interlace to resist sliding and tipping—even under typhoon conditions. Manufactured from premium structural steel with reinforced critical joints, our moulds withstand the intense vibration of precast yards, delivering a service life of 500+ cycles. Whether for reducing coastal erosion or creating artificial reefs, Hyson delivers the accuracy and durability global contractors demand.

Technical Specifications

Specification
Details
Material
High-quality Carbon Steel Q235 / Q345
Panel Thickness
4mm - 6mm (Customizable based on load calculation )
Rib Stiffener
6mm - 8mm Standard Flat Bar or U-steel
Connecting Mode
High-strength Bolt & Nut Assembly
Weight Range
1.5T - 25T (Depending on Tetrapod size )
Surface Treatment
Anti-rust Paint / Oiling
Life Span
300+ Casting Cycles with proper maintenance
Certification
ISO 9001:2015

Product Features

  1. High-Efficiency Demoulding: Our modular design with polished inner walls (roughness Ra≤3.2μm) allows for rapid stripping. Experienced teams can complete demoulding in minutes, significantly boosting daily output.
  1. Structural Stability & Safety: The mould design ensures the concrete unit’s center of gravity is optimized. When deployed, the three legs naturally find stability, offering 30% higher anti-tipping torque compared to cubic blocks.
  1. Leak-Proof Precision: Utilizing laser cutting (±0.1mm accuracy) and robotic welding, our moulds have seamless joints that prevent slurry leakage, ensuring a "clean concrete" finish with no need for secondary grinding.
  1. Ecological Compatibility: Designed to create breakwaters with ~45% porosity. This allows water exchange and supports marine ecosystem recovery, meeting modern "Green Infrastructure" standards.
  1. Durable Investment: Built with thickened stiffeners and wear-resistant steel, minimizing maintenance costs and maximizing rental ROI.

Application Scenarios

  • Coastal Breakwaters: Interlocking units form a permeable barrier that reduces wave run-up and protects harbors.
  • Riverbank & Estuary Regulation: Stabilizes riverbeds and prevents erosion caused by strong currents in delta regions.
  • Ecological Restoration (Artificial Reefs): The void spaces between tetrapods provide habitats for marine life (algae, fish, oysters), promoting biodiversity.
  • Land Reclamation Defense: Acts as the primary armor layer for seawalls protecting newly reclaimed land.