UMIX

System rod tendons

Product description

The UMIX PFEIFER tension rod system is used in a wide range of structures as bracing, ties, hangers, or prestressing elements, designed to transfer tensile forces. Thanks to its high fatigue strength and effective corrosion protection, the UMIX system is also perfectly suited for demanding bridge structures.

Product types / design load capacities

The UMIX system offers a wide range of 22 tension rod sizes, from M8 to M120, with a design tensile capacity ranging from 19 kN to 5249 kN.

The standard UMIX tension rod consists of a rod threaded on both ends and equipped with fork ends, locking nuts, and pins. Upon request, variants with spade ends or sets of hex nuts and washers are also available, allowing for optimal configuration to meet specific structural requirements.

Depending on the project requirements, tension rods rods can be complemented with tensioners (adapters, couplers), intersection couplers for cross bracing, and connectors.

Rods in sizes from M8 to M14 are available in lengths up to 6 meters, while rods in sizes from M16 to M120 are available in lengths up to 12 meters.

Material / Execution

The standard rods used in UMIX tension rods in the galvanized version are made of steel with a yield strength of 530 MPa. Other steel grades are available upon request. All components of the UMIX system, including the threaded rods, are hot-dip galvanized in accordance with ISO 1461.

Overview of the UMIX tension rod system – Grade S530

Sizes and Technical Parameters

 UMIX Size008010012014016020024027030036042048052056060064070080090100110120
Design tensile resistance of UMIX tension rod
 (acc. to EC3) [kN]:
1930435980125180235286417573753898103712071367166322202857357443715249
Charakteristic tensile resistance of UMIX tension rod
[kN]
2641608211117425032639858079510451247144116761899230930833967496460717291
Yeld Strength of bars
[Mpa]
530530530530530530530530530530530530530530530530530530530530530530
Tensile Strength of bars
[Mpa]
710710710710710710710710710710710710710710710710710710710710710710
Cross-sectional area (bar)
[mm2]
3864871231652543804916168551195159018862124246328273421453658097238882510568
Cross-sectional area (thread)
[mm2]
3758841151572453524595608161120147217572029236126753253434255886991855110268
Tread sizeM8M10M12M14M16M20M24M27M30M36M42M48M52M56M60M64M70M80M90M100M110M120
Bar diameter
[mm]
7,09,010,512,514,5182225283339454952566066768696106116
Available length of bars
[mm]
6666121212121212121212121212121212121212

Connection plate dimensions suitable for use with the UMIX tension rod system

Rozmiar UMIX008010012014016020024027030036042048052056060064070080090100110120
Minimalny gatunek stali blachy kotwiącejS355S355S355S355S355S355S355S355S355S355S355S355S355S355S355S355S355S355S355S355S355S355
Grubość blachy kotwiącej t GL [mm]8101215152020202525303540404545506070758595
Minimalna odległość otworu od krawędzi fmin [mm]14,517,521,52629354248536272828895100107117133152174193210
Minimalna szerokość c min [mm]253138455366788898115135153163175186199217254288321371394
Średnica otworu wierconego dL [mm]91113,516182226303339455155596367738395109121132

UMIX PFEIFER – versatile and reliable

  • Modular system design: a wide range of available components – end fittings, turnbuckles, intersection couplers, and connectors – allows for optimal system configuration tailored to specific project requirements
  • Delivered as a complete prefabricated product ready for installation – ensuring faster and easier assembly.
  • Wide range of adjustment and the possibility of precise adaptation of tension rod lengths.
  • Effective corrosion protection – all system components are hot-dip galvanized in accordance with ISO 1461.
  • High fatigue performance proven by testing.

Quality and safety

Free design tools
European Technical Assessment
Extensive product range
High fatigue strength
High-level corrosion protection

References

Downloads

Technical catalogue
Information brochure
Reference document
Calculation software
CAD File Libraries

Contakt

Poland

Daniel Jacheć
+48 513 067 730
daniel.jachec@pfeifer.pl

Germany

Frank Warzecha
 +49(0)171-8853214
fwarzecha@pfeifer.de

Austria

Helmut Haase
+43(0)664/8546645
hhaase@pfeifer-austria.at

Czech Republic

František Pazour
+420 602 103 111
pazour@pohlcon.cz

Denmark

Lasse Alsøer
+45 9863 1900
la@jordahl-pfeifer.dk

Romania

Alexandru Lates
+40 744 997 056
alexandru.lates@pfeifer.ro

England

Chris Gage
+44  (0) 1844 263251
chrisg@jp-uk.com

Finland

Juha Kokkonen
+358 40 571 9769
juha.kokkonen@semtu.fi

France

Jon Spencer
+33 (0) 678887653
https://structures.pfeifer.info

Estonia

Indrek Rohtma
+372 53 010 345
indrek@semtu.ee

Litva

Sandis Beitiks
+371 29331290
sandis@semtu.lv

Spain

Inaki Guinea
+34-916593185
iguinea@pfeifer.es

Hungary

Vida József
00-36-20-438-9400
vida.jozsef@pfeifer-garant.hu

Luxemburg

Bruno Nunes
+352 691 57 42 41
bnunes@pfeifer-sogequip.lu

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