TCL Cone fender brochure
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Marine Fenders

About TekMarine From its base in the United States, TekMarine Systems LLC designs and supplies advanced marine fendering and mooring systems to ports, harbors and waterways across the world. We bring a wealth of engineering and market experience to each project. Our fender solutions range from simple modules to the most sophisticated engineered systems. We supply every type of berth, including passenger terminals, bulk and RoRo ports, Oil and Gas installations and naval facilities. We offer full support at each step from early concept discussions through to design and detailing, material...

TJSC Cell Fender The TJSC Cell Fender is a proven design that protects thousands of harbors around the world. Its cylindrical body resists overloading without sacrificing shear resistance. The Cell Fender’s large footprint makes installation simple. Its efficient force distribution also enables large, low hull-pressure panel designs. No other fender offers as many sizes in a full range of compounds. TJSC Cell Fenders are compatible with nearly all legacy cell fenders, making them ideal for replacements and upgrades, as well as new builds. Please ask us about designing for systems at or...

Intermediate values Deflection Reaction Angle factor Temperature factor Velocity factors Values are for single units. Standard tolerance ±10%. Please ask TekMarine if t < 4 seconds or for any other perform

TJSC Performance (metric units) E = kNm, R=kN Model T08 Other sizes and intermediate performances are available on request. Please ask TekMarine for details. Version 001d / Copyright TekMarine Systems LLC, 2015

TJSC Performance (metric units) E = kNm, R=kN Model T20 Please speak to TekMarine about harder grades in these sizes. Other sizes and intermediate performances are available on request. Please ask TekMarine for details. Version 001d / Copyright TekMarine Systems LLC, 2015

TJSC Performance (US units) E = ft.kip, R=kips Model T08 Other sizes and intermediate performances are available on request. Please ask TekMarine for details. Version 001d / Copyright TekMarine Systems LLC, 2015

TJSC Performance (US units) E = ft.kip, R=kips Model T20 Please speak to TekMarine about harder grades in these sizes. Other sizes and intermediate performances are available on request. Please ask TekMarine for details. Version 001d / Copyright TekMarine Systems LLC, 2015

UHMW-PE Facings TekMarine protects every fender panel with top quality UHMW-PE (Ultra High Molecular Weight Polyethylene) facings. Impact resistant and very low in friction, UHMW-PE allows vessels to move smoothly past a fender system without snagging or abrasion. It is also popular for heavy duty impact protection where fenders are not required. Easy to machine and install, UHMW-PE comes in many colors and several quality grades. UHMW-PE does not rot, split or decay and does not suffer from UV or ozone damage. It is fully recyclable. Steel panel with welded stud Open steel structure Timber...

Physical Properties Metric Property Test method Unit Molecular Weight Yield Strength Ultimate Strength Tensile Impact Abrasion Index (Sand Slurry) Static Friction Dynamic Friction Impact Strength Operating Temperature Thermal Expansion Melting Point Water Absorption Friction comparisons Material UHMW-PE Coefficient of friction against steel (μ) 0.15–0.2 The coefficient of friction of UHMW-PE varies according to the material grade and the pressure applied to the panel’s surface. These coefficients of friction only apply to smooth contact surfaces. For more information please consult TekMarine.

Anchors and Fixings A fender system relies on the best quality fixings and accessories to perform properly. Large or heavy-duty fenders need chain systems to manage shear, tension and weight. These comprise open or stud-link chain, tensioners and shackles. Cast-in or resin anchors connect the chain systems and brackets to the quay structure. Various material grades and finishes are available: please ask TekMarine for details. Typical chain system Cast-in anchor (new concrete) Chain bracket Chain tensioner Open-link chain Chain bracket Version 001d / Copyright TekMarine Systems LLC, 2015

Brackets are purpose designed for every project. Please ask TekMarine for details. Version 001d / Copyright TekMarine Systems LLC, 2015

Anchors Anchors are available in galvanized or stainless steel finishes, in various strength grades and in metric or inch sizes. Ask TekMarine for details if the required specification is not listed. Bracket/fender foot A* Cast-in type Cast-in anchors are preferred for new concrete structures. The threaded anchor links via a long tail to an anchor plate, for even load distribution. * Dimension A varies according to the thickness of the bracket or fender foot and should always be calculated. Chemical type Chemical anchors are used for existing concrete structures. Please ask about glass...

Design Considerations Weight support Chains can assist in controlling the compression geometry of fenders in some applications. Please ask TekMarine for more details. Fenders can support large static weights. We recommend weight support chains for panels heavier than the rubber fender. FV When the tension will exceed the fender’s rated reaction force, then tension chains are strongly recommended. Fenders remain stable with vertical or horizontal shear forces. Shear chains may be needed for some applications and fender layouts. Clearances TJCO Cone TJSC Cell Fenders should not contact each...

Rubber Properties Every TekMarine rubber fender unit uses the highest quality Natural Rubber (NR) and/or Styrene-butadiene (SBR) based compounds. These meet or exceed the performance requirements of the main international fender specifications such as PIANC and EAU-E 62 “Acceptance Requirements for Fender Elastomers”. The table below shows typical specifications for laboratory prepared and tested specimens. Please consult TekMarine about other fender compounds such as EPDM, Butyl, Neoprene and Polyurethane. Material samples for laboratory test purposes are prepared differently to rubber...