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Punching shear reinforcement

Punching shear reinforcements are special reinforcements used in place of stirrups or bent reinforcements to increase the punching shear resistance of beam supports for reinforced concrete floor slabs. Examples of punching shear reinforcements are double-headed studs and lattice girders.

Regulatory framework

DIBt grants national technical approvals (abZ) for punching shear reinforcements which

  • significantly deviate from the Technical Building Rules (cf. MVV TB, Part C2) or
  • for which neither Technical Building Rules nor generally recognised technical rules exist.

European Technical Assessments (ETAs) can also be issued for punching shear reinforcements.

Furthermore, DIBt grants general construction technique permits (aBG) for construction techniques comprising shear reinforcements for which there are no conclusive technical rules.

Examples include wall and floor construction techniques.

Please also refer the applicable product, design and execution rules, cf., in particular, MVV TB, Part A 1 and Part C 2, as well as the following information and technical rules.

National procedure

A national technical approval (abZ) and/or oder general construction technique permit (aBG) is granted upon application (see Model Building Code (MBO), Sections 16a(2) and18(2) and (4)). This also applies to amendments and supplements to, or renewals of existing approvals and/or construction technique permits.

No formal requirements apply. The following information is needed: name and address of the applicant, description of the product and/or construction technique and its field of use or application, type of decision required (new decision, amendment or supplement to, or renewal of, an existing decision).

Please feel free to use the template below.

European Technical Assessment (ETA)

To start the ETA procedure, please submit the form below. We will then check if the prerequisites for issuing an ETA are met, i.e., in particular, if the product is not fully covered by an existing harmonised standard. If the prerequisites are met, we will check whether a European Assessment Document (EAD) covering the requested assessment scope already exists or still needs to be developed. If an EAD needs to be developed or amended, a complete technical file needs to be established before the procedure can begin.

Subject concerned Applicant Decision no. Issued on
HALFEN HDB shear rail Leviat GmbH Liebigstraße 14 40764 Langenfeld DEUTSCHLAND ETA-12/0454 06.12.2021
Punching reinforcement Schöck Bole® Schöck Bauteile GmbH Vimbucher Straße 2 76534 Baden-Baden (Steinbach) ETA-13/0076 14.07.2022
JORDAHL punching reinforcement JDA JORDAHL GmbH Nobelstraße 51 12057 Berlin DEUTSCHLAND ETA-13/0136 01.09.2020
PEIKKO PSB punching reinforcement Peikko Group Oy Voimakatu 3 15101 LAHTI FINNLAND ETA-13/0151 14.11.2019
ancoPLUS punching reinforcement ANCOTECH GmbH Am Westhover Berg 30 51149 Köln DEUTSCHLAND ETA-13/0196 25.01.2022
Filigran punching reinforcement FDB II Filigran Trägersysteme GmbH & Co. KG Zappenberg 6 31633 Leese DEUTSCHLAND ETA-13/0521 01.09.2020
TransMIT punching shear reinforcement TransMIT Gesellschaft für Technologietransfer mbH Kerkrader Straße 3 35394 Gießen DEUTSCHLAND ETA-17/0738 18.02.2022
CLIXS® von BETOMAX®system BETOMAX systems GmbH & Co. KG Dyckhofstraße 1 41460 Neuss DEUTSCHLAND ETA-19/0310 21.02.2022
HALFEN HDB -Z punching shear reinforcement Leviat GmbH Liebigstraße 14 40764 Langenfeld DEUTSCHLAND ETA-22/0360 29.06.2022