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Steel-ferrocement-concrete sandwich plates under lateral impact
An experimental program was conducted to study the behavior of steel-cementitious composite sandwich plates under low velocity impact. Initiation of the punching mode of failure was examined adopting a specially designed frame that minimized the bending of the specimen. A 40 kg drop hammer, with a hemispherical head, under free fall from a drop height of 4 meters, was used to create the impact. A set of 300 mm x 300 mm square plates was used as test specimens and were subjected to lateral impact at their center. The results showed large permanent deformations in the steel cover plates but no fracture. Middle plates of normal and high strength concrete cracked into pieces under this kind of impact. Introduction of a ferrocement or SYCON layer to the middle plate reduced the steel strains and also prevented disintegration of the middle plate.
Steel-ferrocement-concrete sandwich plates under lateral impact
An experimental program was conducted to study the behavior of steel-cementitious composite sandwich plates under low velocity impact. Initiation of the punching mode of failure was examined adopting a specially designed frame that minimized the bending of the specimen. A 40 kg drop hammer, with a hemispherical head, under free fall from a drop height of 4 meters, was used to create the impact. A set of 300 mm x 300 mm square plates was used as test specimens and were subjected to lateral impact at their center. The results showed large permanent deformations in the steel cover plates but no fracture. Middle plates of normal and high strength concrete cracked into pieces under this kind of impact. Introduction of a ferrocement or SYCON layer to the middle plate reduced the steel strains and also prevented disintegration of the middle plate.
Steel-ferrocement-concrete sandwich plates under lateral impact
Alwis, W.A.M. (author) / Santosh, S. (author) / Paramasivam, P. (author)
2001
6 Seiten, 7 Bilder, 3 Tabellen, 4 Quellen
Conference paper
English
STEEL-FERROCEMENT-CONCRETE SANDWICH PLATES UNDER LATERAL IMPACT
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