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Determination of reinforcing bars for tests of hollow core slabs with continuity
| Revista IBRACON de Estruturas e Materiais
Determination of reinforcing bars for tests of hollow core slabs with continuity
Andreilton de Paula Santos
Marcelo de Araujo Ferreira
Roberto Chust Carvalho
Libânio Miranda Pinheiro
Resumo
The structural designs of floors formed by hollow core slabs usually consider these as simply-supported slabs. In recent years there have been project changes and hollow core slabs with continuity are widely used. The objective of this study is to suggest a way to calculate the reinforcement bars to be used in tests with continuity provided by a structural topping. Thus, this paper presents a method based on the maximum positive resistance moment and maximum shear strength of a hollow core slab. The method is applied to a test in hollow core slab specimens which have the following dimensions: 2 m width, 6 m long, and 21 cm high. The results indicated that the method was satisfactory to the performed test, and can therefore be applied to the other test configurations or even designs.
