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Ports

Port structures particularly faces harsh environment due to constant exposure to salt water, wind, and varying weather conditions. This environment accelerates the deterioration of these structures, making structural repairs and corrosion protection crucial for their continued functionality and safety.

Structural Repairs:

  • Concrete repair: Cracks, spalling, and delamination (concrete detaching from the structure) are common problems in port structures. Repair methods like Epoxy injections, Sprayed Plaster, and Micro concrete Jacketing (encasing damaged sections) can restore strength and prevent further deterioration.

  • Steel repairs: Corrosion weakens steel piles, beams, and other elements. Repairs involve removing corroded sections and replacing them with new steel, or welding on patches, fixing of Sacrificial anodes or spraying Concrete Penetrating Corrosion Inhibitor. In some cases, strengthening techniques like adding additional steel plates might be necessary.

  • Foundation repairs: Shifting or settling foundations can compromise the entire structure. Techniques like grouting (injecting material to fill voids) or underpinning (strengthening the foundation) may be used for repairs.

Corrosion Protection:

  • Coatings: High-performance paints and coatings create a barrier between the steel and the corrosive environment. Different types of coatings offer varying levels of protection depending on the specific needs.

  • Cathodic protection: This technique uses an electrical current to make the steel structure the cathode (protected electrode) in an electrochemical cell. This disrupts the corrosion process and protects the steel. There are two main types:
    • o Sacrificial anodes: These are less expensive and typically used for smaller structures. They corrode instead of the steel, but need periodic replacement.
    • o Impressed current cathodic protection (ICCP): An external power source provides the current. ICCP offers more control and is suitable for larger structures or complex geometries.

  • Pile Wrapping: Encasing steel piles or beams with materials like fiber-reinforced polymer (FRP) Jackets creates a physical barrier against corrosion and can also add structural strength.

By implementing a combination of structural repairs and corrosion protection strategies, port authorities can ensure the continued safe and efficient operation of their facilities for many years to come.

Ports Repairs and Maintenance Contractors in India | Gubbi
Ports Repairs and Maintenance Contractors in India | Gubbi
Ports Repairs and Maintenance Contractors in India | Gubbi