Fig. 5
From: Laboratory tests to understand tephra sliding behaviour on roofs

Comparison of sliding angles for cardboard and Perspex cells with 10 and 20 cm thickness of pumice on metal sheet, fibre cement and tiles
From: Laboratory tests to understand tephra sliding behaviour on roofs
Comparison of sliding angles for cardboard and Perspex cells with 10 and 20 cm thickness of pumice on metal sheet, fibre cement and tiles