Lightning protection guide by OBO

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Last revision 2020

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

Strana 101 z 288

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must also ensured that the anchors are suitable for cracked concrete and are approved.3. Uncracked concrete (pressure zone) Cracked concrete (tension zone) Cracks TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 101 Chapter The external lightning protection system .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 Pressure Strain Uncracked concrete (pressure zone) Cracked concrete (tension zone) 2. Cracks can occur the tension zone, which reduce the load capacity. With unsuit- able anchor, the fastened component can fall out of the drill hole.1 Concrete One the most frequently used construction materi- als concrete. The load capacities are very high and thus ideally suited for the fastening the technical building equipment.2. However, important re- member that ceilings experience so-called tension and pressure zones