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White Paper - Qualification of cast-in Peikko anchor bolt HPM® L for seismic excitations

February, 24, 2025

Until recently, a standardized design method for using post-installed fasteners and headed anchors in load-bearing connections within earthquake-prone areas was only available in technical specifications—not in a European standard. While nuclear installations have long had a set of rules in place, these requirements are more stringent and not fully transferable to conventional structural and civil engineering projects. Although EN 1998-1 includes special provisions for composite steel and concrete structures, it does not cover connections made with mechanical anchors and headed bolts.

The current EN 1992-4 standard differentiates between connections of load-bearing components and those between load-bearing and non-load-bearing components. It also establishes performance categories based on specific earthquake loads, with corresponding product-specific parameters detailed in European Technical Product Specifications.

In our White Paper, co-authored with Prof. Dr.-Ing. Jan Hofmann, Institute of Construction Materials, University of Stuttgart, and Dr.-Ing. Nilde Maçi, Managing Director of FixING Solutions GmbH, we outline the different test guidelines for fastening elements and introduce key developments in test methods and evaluation criteria for fasteners and anchor bolts with integrally formed heads. We also compare these newly developed regulations with current Peikko anchor bolt test results, providing a clearer understanding of how they perform under seismic conditions. 

Thomas Sippel is a technical expert at Peikko Group, specializing in structural engineering standards and their practical applications in construction. 

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Thomas Sippel

Codes and Approvals Director

Peikko Group Corporation

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