​Technical Data Stainless Steel Tie rod system


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» Tensile connectors

Structural tensile rod systems are assumed to have a significant amount of self weight under tension resulting in its receptivity in vibration and fatigue.  Fatigues can become an important issue on both tensile rod systems, and are caused among other things by wind loads, self load, thermal expansion, adjacent construction works, earthquakes and traffic.

Vibrations are amplified depending on the frequency, amplitude and damping as a result of the tension systems mass and applied tension. While assessment of vibration and fatigue is not straight forward due to it's many sources, proper design of the tension connectors system, installation and checkup are crucial to it's long term safety.

angle alignment

Angle alignment

When designing coupling plates for SRS, special care must be taken to assure the angle of load alignment are in correspondence to the actual load applied by Rods. Bolts used on the coupling plate must evenly distribute double the working loads at which designed angle of the load is applied.


Isolation materials

Isolation of materials

If a different material is used to produce the coupling plate, use a Isolating washer in Nylon or Teflon material grade to Isolate the connecting joints. If paints are to be used, take appropriate precautions for the thickness and installation tolerances.


Tensile alignment-1

Tensile alignment

Coupling plates must be designed with at least 80% width of the adjuster grove (refer to dimension B of page 14.) at an even angle and surface.  Too short of material on the coupling plate will result in failure due to concentrated sheer of the Pin.


Adjustter fork

Adjuster fork alignment

Adjusters are recommended to be aligned on an vertical axial.  This orientation allows best distribution of any rod sag due to thermal expansion of materials.




Material alignment

Cross section area of any connectors designed for the tension system must carry a Minimum of 2 times to that of rod assembly If same material is used. If different material is used, design with double tensile strength to that of RDS tension system.


Coupling plate alignment

Coupling plate alignment

Improperly aligned tensile systems will create non permissible bending forces resulting in structural fatigues on coupling plates and connectors.