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CONCRETO AUTOADENSÁVEL COM FINOS DE MAMORARIAS By MELQUIZEDEC ARCOS RODRIGUES JOÃO DE ALMEIDA MELO FILHO
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The WMG were subjected to density testing and analysis of Fluorescence X Ray. For fresh SCC in the following tests were performed: scattering, scattering T500, V funnel and L box; and Testing of... More > Compressive Strength and flexion, absorption, voids index and the SCC Density in the hardened state, as well as tests on mortar bars to check possible Alkali Aggregate Reaction (AAR). The results were effective for most traits SCC, up to 30% of the cement replacement by WMG when the additive polymer base was used, and up to 20% replacement when the superplasticizer was sulfonated. Fresh in this SCC met the requirements of ISO 15823, behaving like proper concrete for use in most current applications. In the hardened state near showed compressive strength of 35 MPa, may also be used in the production of concrete floors. The resistance to bending achieved in around 7.0 MPa and satisfy the Brazilian standard 15805.< Less

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API Security API Security By Lee Brandt et al.
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