Lightning protection guide by OBO

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Last revision 2020

Vydal: OBO BETTERMANN s. r. o. Autor: OBO BETTERMANN

Strana 76 z 288

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The previous German standards this area DIN 1055:2005 Part "Wind loads" and Part "Snow and ice loads", and DIN 4131: "Steel antenna mounts" – dealt with all load assumptions for support struc- tures Germany. The Eurocodes (EC) are the result European stand- ardisation the construction field. 2.8). the provisions that were previously part the national standards.The wind load describes the effect on buildings and installed systems. It must taken into account dur- ing planning. cover the documents the series DIN 1990 1999. Today’s calculation models and air-termination rod systems are the result numerous studies and years R&D experience.6 Wind load For decades, wind load has been important con- sideration for OBO Bettermann relation external lightning protection.1. These are supplemented the various national an- nexes (NA).8: Example: German national standards for the calculation wind load TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 76 Chapter The external lightning protection system .e. Following the publication the national annexes to the ECs, the old standards became invalid, following appropriate coexistence phases (Table 2. Old standard New standard Eurocode DIN 1991-1-4:2010-12: Parts 1-4: General effects; wind loads DIN 1991-1-4/NA: 2010-12 Eurocode DIN 1991-1-4:2010-12: Parts 1-4: General effects; wind loads DIN 1991-1-4/NA: 2010-12 DIN 1991-1-3: 2010-12 Parts 1-3: General ef- fects; snow loads + DIN 1991-1-3/NA: 2010-12 DIN 1991-1-3: 2010-12 Parts 1–3: General effects; snow loads + DIN 1991-1-3/NA: 2010-12 Eurocode DIN 1993-3-1: 2010-12: Parts 3-1: Towers, masts and chimneys – Towers and masts DIN 1993-3-1/NA: 2010-12 Eurocode DIN 1993-3-1: 2010-12: Parts 3-1: Towers, masts and chimneys – Towers and masts DIN 1993-3-1/NA: 2010-12 Table 2. The NAs contain provisions that bey- ond the Eurocode rules, i