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 selection,...

TJUE Element Fender TJUE Element Fenders are molded buckling column legs with embedded mounting plates. Ideal for restricted spaces, they are easy to install and need little maintenance. TJUE systems combine one or more pairs of elements mounted horizontally and/or vertically behind a UHMW-PE facing or a steel panel. TJUE Elements can be used in many more configurations than traditional V-fenders, or even within specialist engineered fender systems. Dimensions Height Values are for single units, L=1m. Other sizes and fender lengths are available on request. Please ask TekMarine for details. Available...

Element spacing Always ensure there is a gap between the elements, on the panel side, of at least 5% to 10% of the element fender height. The angular factors given are based on a typical separation of 1.2 times the fender height (see diagram). For other spacings consult TekMarine. For more details on fender spacing within systems, please see ‘Design Considerations’ on p59. Intermediate values Deflection Reaction Angle factor Temperature factor Velocity factors Values are for single units, L=1m. Standard tolerance ±10%. Please ask TekMarine if t < 4 seconds or for any oth

TJUE Performance (metric units) E = kNm, R=kN Model T07 Values are for single units, L= 1m (3.28ft) . Other sizes and intermediate performances are available on request. Please ask TekMarine for details. Version 001d / Copyright TekMarine Systems LLC, 2015

TJUE Performance (metric units) E = kNm, R=kN Model T20 Values are for single units, L= 1m (3.28ft) . Other sizes and intermediate performances are available on request. Please ask TekMarine for details. Version 001d / Copyright TekMarine Systems LLC, 2015

TJUE Performance (US units) E = ft.kip, R=kips Model T07 Values are for single units, L= 1m (3.28ft) . Other sizes and intermediate performances are available on request. Please ask TekMarine for details. Version 001d / Copyright TekMarine Systems LLC, 2015

TJUE Performance (US units) E = ft.kip, R=kips Model T20 Values are for single units, L= 1m (3.28ft) . 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 structure...

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 grout...

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 other...