Additional Information

  • Product details
  • Equipment
  • Application


DYWIDAG Bar Anchor Systems are used in a wide variety of geotechnical applications. The principal fields of application include the stabilization of slopes and excavations as well as the counteraction of uplift forces.


DYWIDAG THREADBAR® Anchors are used both in permanent and temporary applications.

Continuously threaded steel is used as a tendon for permanent and temporary anchors.

Permanent DYWIDAG THREADBAR® Anchors are mainly used for slope stabilization.

Temporary DYWIDAG THREADBAR® Anchors are mainly used for tying back excavation walls.

Thanks to their excellent load capacity and versatility, DYWIDAG THREADBAR® Anchors can be easily and economically used in a wide variety of geotechnical applications.



  • For installing bar systems, DSI offers comprehensive equipment such as threadbar jacks, hydraulic pumps as well as test equipment for quality assurance
  • As an additional service, DSI offers professional support during installation worldwide


  • Ease of system handling
  • Simple restressing and destressing through threaded anchorage
  • Permanent corrosion protection possible
  • The use of couplers allows flexibility in transport lengths
  • High stiffness when installed over head
  • Adjustment of angle through wedge washer and bearing plates
  • Fast and reliable supply according to our principle
    “Local Presence-Global Competence“
  • Competent staff can be made available on site at any time
  • Our systems comply with international specifications and recommendations:
    Deutsches Institut für Bautechnik (DIBt), American Association of State Highway and Transportation Officials (AASHTO), Association of Drilled Shaft Contractors - the International Association of Foundation Drilling (ADSC-IAFD), American Segmental Bridge Institute (ASBI), American Underground Construction Association (AUCA),British Standard (BS), Deep Foundations Institute (DFI), Post-Tensioning Institute (PTI), Society for Mining, Metallurgy, and Exploration (SME), etc.
  • Permanent quality inspections – external as well as internal – insure the safety and reliability of our systems