Covercrete
Mostrando 1-5 de 5 artigos, teses e dissertações.
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1. STUDY OF CARBONATION OF THE COVERCRETE LAYER OF PROTOTYPES OF CONCRETE WITH HIGH ADDITIONS CONTENTS AND LIME HYDRATED / ESTUDO DA CARBONATAÇÃO DA CAMADA DE COBRIMENTO DE PROTÓTIPOS DE CONCRETO COM ALTOS TEORES DE ADIÇÕES MINERAIS E CAL HIDRATADA
In this study deals the covercrete structural concrete layer with the use of hydrated lime in substitution in mass of the sand in ternary mixture of 70% of blast-furnace slag, 20%-fly ash and 10% of cement CPV-ARI (EVC) in comparison to reference with 100% CPV-ARI (R) and other ternary mixture of 70%-ground granulated blast-furnace slag, 20%-fly ash and 10%-
Publicado em: 2008
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2. MICROSTRUCTURE OF COVERCRETE CONCRETES WITH HIGH CONTENTS OF SLAG AND FLY ASH ACTIVATED BY PORTLAND CEMENTE AND HYDRATED LIME / MICROESTRUTURA DO COBRIMENTO DE CONCRETOS COM ALTOS TEORES DE ESCÓRIA E CINZA VOLANTE ATIVADAS POR CIMENTO PORTLAND E CAL HIDRATADA
In the history of the concrete structures there was a time in which the mechanical resistance was the most important property for the designers. However due to amount of pathologies in the concrete structures and your respective worn-out amounts in recovery, other feature is being prioritized: the durability. And for environmental reasons as global heating,
Publicado em: 2007
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3. PERCOLAÇÃO DE ÁGUA EM CONCRETOS COM ELEVADOS TEORES DE ESCORIA E CINZA VOLANTE COM ADIÇÃO DE CAL / WATER PERCOLATION IN PRISMS OF CONCRETE WITH HIGH GRADES OF SLAG AND FLY ASH WITH ADDITION LIME
The study of concrete structures durability necessarily passes by the study of covercrete and by the understanding of the factors that affect the features of this superficial layer. The use of high contents of mineral addictions on the concrete influences meaningfully the resistance of the covering layer to the chemical attack and on the pores structure. Thi
Publicado em: 2007
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4. ESTUDO DA PERMEABILIDADE À ÁGUA NA CAMADA DE COBRIMENTO DE PROTÓTIPOS DE CONCRETOS COM ALTOS TEORES DE CINZA VOLANTE
The civil construction industry is, as times goes by, more related with echo-social efficiency and society and the concrete, most used building material, has its use associated with concerns on the durability and the performance of the constructions, looking for the optimization of the natural resources. The durability esteem of a concrete is the function of
Publicado em: 2004
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5. CHLORIDE PENETRATION STUDY IN THE COVERCRETE OF HIGH CONTENT FLY ASH CONCRETE / ESTUDO DA PENETRAÇÃO DE CLORETOS NA CAMADA DE COBRIMENTO DO CONCRETO COM ALTOS TEORES DE CINZA VOLANTE
O efeito parede entre a forma e o concreto aumenta a relação água/aglomerante nesta interface de modo que a durabilidade da peça estrutural fica na dependência das características desta camada que se estende desde a superfície contra a forma até a armadura. Para diminuir os poros desta camada pozolanas têm sido utilizadas para aumentar a impermeabil
Publicado em: 2004