Repair and Strengthening Systems for Waterfront Structures

Marine and waterfront structures are subject to daily severe and aggressive environmental conditions due to their proximity with water (seas, rivers or lakes). Consequently, the corrosive nature of marine environments leads to rapid deterioration and heavy strength losses of steel and concrete marine structures. Through innovative systems, CTech-LLC® provides efficient solutions to owners, engineers and designers involved in strengthening and structural upgrades of deteriorated and corroded waterfront structures. Our solutions are faster, long-lasting and cost –effective because our systems utilize exceptionally strong, versatile, light-weight and durable products and work equally well on concrete and steel. CTech-LLC® Waterfront Structures solutions cover the vast majority of repair or strengthening work in existing or new marine structures, including:

  • Structural Strengthening: The CTech-LLC® systems can be used to restore the original design strength of deteriorated structure.
  • Corrosion Control & Protection: The CTech-LLC® system is used to restore lost capacity of corroded members.
  • Concrete Repair: The CTech-LLC® systems can be utilized to repair damaged floors and beams in decks and piers.
  • Leak Repair: CTech-LLC® offers fast and easy to install leak repair systems for subsea pipelines.
  • Force Protection: CTech-LLC® offers customized solutions to meet a wide range of force protection.

Here you will find detailed information about our waterfront structures repair and strengthening systems:

  • Ports
  • Wharves
  • Piers
  • Bridges and Jetties
  • Oil & Gas Platforms
  • Seawalls
  • Docks
  • Subsea Pipelines

Composite Systems

CTech-LLC® FibraOne™ is a comprehensive FRP composite strengthening system, providing efficient solutions for structural reinforcement of structures in need of repair or restoration. The FibraOne™ FRP Composite system is comprised of a wide range of high-strength carbon and glass FRP reinforcements and compatible saturating resins.

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CTech-LLC® PipeWrap™ FRP composite system is a structural strengthening system uniquely engineered for the restoration and renewal of pipelines and piping systems. The PipeWrap™ is a site impregnated or pre-impregnated composite system that consists of high performance epoxies and unique fiber reinforcements tailored for piping repair.

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CTech-LLC® FibraGrid™ is a unique Fiber-Reinforced Cementitious Matrix (FRCM) composite system, uniquely engineered for external reinforcement of concrete and masonry structures. The system is comprised of carbon-fiber grid and special high resistance cement-based adhesive.

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CTech-LLC® W-Tank™ is a GRP lining and coating system providing a permanent internal re-coating of containment areas and tanks. By using special grade resins to attain properties which allow the GRP Lining to withstand resistance to fungi & algae, strong acids chemical, the W-Tank™ system would be a lifetime solution to prevent critical containment areas and tanks from failing, potentially causing injury or costing the company millions to repair or replace.

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CTech-LLC® Contact-Shield™ is a cost effective solution designed to resolve problems associated with crevice corrosion in piping systems. The Contact-Shield™ system is comprised of composite wear pad and adhesive liner.

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Post-Tensioning Systems

CTech-LLC® Tensa-Ex™ external post-tensioning system provides a means of strengthening concrete by exploiting the strength of the concrete in compression and overcoming its weakness in resisting tension. Tensa-Ex™ system consists of high strength steel reinforcement installed outside the structural element at the anchor points.

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CTech-LLC® Tensa-In™ internal post-tensioning system provides a means of strengthening concrete by exploiting the strength of the concrete in compression and overcoming its weakness in resisting tension. Tensa-In™ system consists of high strength steel reinforcement that are typically installed within a Strata Enlargement System™, or they may be installed into an existing member through core drilling.

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CTech-LLC® TensaPlate™ is a system for strengthening by prestressed carbon fiber reinforced plastic (CFRP) laminates. CTech-LLC® TensaPlate™ system is composed of carbon fiber laminates, and anchoring device, improve the bearing capacity and anti-crack performance of the structure.

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Jacketing Systems

CTech-LLC® LifeShield™ is an in-place repair and protection solution for damaged and corroded columns and piles. The system is comprised of fiberglass jacket and high-strength repair grout providing a corrosion-resistant protective encasement.

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Injection Systems

CTech-LLC® Injecta™ injection system provides superior solution to restore structural strength to deteriorated concrete. The system uses high-performance and rapid setting adhesive which is injected into concrete cracks via injection pump.

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Cross-Stitching Systems

CTech-LLC® Crack-Weld™ is a uniquely crack control stitching system designed to permanently stop cracks in concrete. The crack repair system is easily installed across the face of the concrete crack repair line and the load is distributed away from the concrete crack repair line to the portion of the substrate that isn’t cracked.

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Clamping Systems

CTech-LLC® Quick Clamp ™ is a mechanical clamping system and composed of FRP pad and stainless steel bands. QuickClamp ™ is an ease-of-use and timeliness system, providing active leak containment up to 100 psi.

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CTech-LLC® Pipe Clamp™ system provides a compressive force to stop active leaks up to 1160 psi. This system includes compression belt and a rubber patch perfectly centered over a leak, providing localized clamping force for greater sealing capabilities.

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