Lightning protection guide by OBO

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Last revision 2020

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

Strana 100 z 288

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g.2.g.g. brick Hollow blocks with dense structure, e. the edge component.3 Fastening substrates The main differences are the fastening substrates and load classes. 20/25 Lightweight concrete, e.g.g.g. Materials Concrete Light construction materials Normal concrete, e. the metal spreading anchors develop lateral forces when sub- jected loads, break-outs may occur when the pre- scribed spacing distances are not complied with. With metal spreading anchors, certain spacing distances must guaran- teed, e. hollow blocks made lightweight con- crete TBS Blitzschutz-Leitfaden 2018 / en / 2020/01/10 14:42:40 14:42:40 (LLExport_02613) / 2020/01/10 14:42:54 14:42:54 100 Chapter The external lightning protection system .2.g. hollow brick Full bricks with porous structure, e. lightweight concrete, expanded clay, pumice Plates with porous struc- ture, e. By contrast, bolt ties and injection systems can placed very close the edge, they not create any lat- eral forces. For walls and ceilings old, existing buildings, so- called extraction experiments are often required, or- der determine the resistance and load capacity of the construction. While most anchors are suitable and approved for use concrete, there are also spe- cial solutions for various masonry types, even for hol- low brick porous concrete. 20/22 Plates and panels, e.g. plasterboard Wall materials Full brick with dense struc- ture, e