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Magnetic Fields and Induced Voltages inside LPZ 1 Measured at a 1:6 Scale Model Building

  • For the application of the concept of Lightning Protection Zones (LPZ), the knowledge of the magnetic fields and induced voltages inside a structure is necessary. Laboratory experiments have been conducted at a downscaled model of a building (scale factor 1:6) to determine these electromagnetic quantities in case of a direct strike to the structure. The model (3 m x 2 m x 2 m) represented a small industrial building using the reinforcement of the concrete as electromagnetic shield. The magnetic fields and magnetic field derivatives were measured at several location inside the scaled model. Further, the voltages induced on three typical cable routes inside the model was determined. The influence of the lightning current waveshape, point-of-strike, bonding of the cable routes, and bridging of an expansion joint in the middle of the building on these quantities was studied.
  • Laborexperimente zu Blitzschutzzonen in Stahlbetongebäuden anhand eines Modells im Maßstab 1:6

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Author:Wolfgang J. Zischank, Fridolin Heidler, J. Wiesinger, K. Stimper, Alexander Kern, M. Seevers
Document Type:Conference Proceeding
Year of Completion:2004
Publishing Institution:Fachhochschule Aachen
Contributing Corporation:International Conference on Lightning Protection <27, 2004, Avignon>
Date of the Publication (Server):2005/06/07
Tag:Blitzschlag; Elektromagnetischer Schutzschild; Maßstabsgetreues Modell; Stahlbeton
Lightning; electromagnetic shielding; reinforced concrete; scaled model
Institutes:FH Aachen / Fachbereich Energietechnik
Dewey Decimal Classification:6 Technik, Medizin, angewandte Wissenschaften / 60 Technik / 600 Technik, Technologie