[PDF] Top 20 RA V7 N1 2017, Message from the Editor in Chief and Guest Editor (January - April 2017)

... for the solid units increases (although slightly) as the water/cement ratio is reduced ...when the water consumption is controlled in the manufacturing ...for the solid masonry ... See full document

... high. The very high corrosion rate values may have been caused by localized repairs done with uncompacted materials, which cause cracks and spalling between the new and pre-existing ...at ... See full document

... determine the difficulty that the concrete could have when passing through ...Therefore, the greater quantity of nSi the lower the value of this ...parameter. The highest values ... See full document

... located in Alphaville District, in São Paulo, Brazil, was designed to be supported by two direct foundation concrete ...predict the thermal hydration gain of different casting procedures, in ... See full document

... investigating the potential of the use of sugarcane bagasse ash as a partial replacement of cement in the production of ...ashes from two origins were studied - one from ... See full document

... investigating the potential of the use of sugarcane bagasse ash as a partial replacement of cement in the production of ...ashes from two origins were studied - one from ... See full document

... Algunos materiales cementantes provenientes de desechos industriales que pueden utilizarse como materiales alternativos son: la ceniza volante, el humo de sílice, la escoria [r] ... See full document

... Moreover, the decrease in PC consumption reduced the amount of calcium aluminates, which had already found an abundant source calcium sulphate from the additives of the SSC, so ... See full document

... (Provis and Bernal, 2014, Provis and van Deventer, ...Bernal and Provis, 2014); sin embargo, ha sido identificado que estas propiedades varían entre estudios, lo cual es asociado principalmente a las ... See full document

... As vigas apresentaram, até 120 minutos de exposição ao fogo, um bom desempenho após o incêndio, não apresentando redução significativa em sua resistência residual, e o [r] ... See full document

... Marczewska and Jaworska, 1985); en este caso, la naturaleza de la microestructura, la velocidad de reacción de los componentes de SSC, favoreció una secuencia de reacciones y la deposición de productos de reacción ... See full document

... of the external CFRP to the concrete substrate is of critical importance for the effectiveness of the reinforcing mechanism, because it means the transfer of stresses between concrete ... See full document

... ensaios in situ são realizados como a medida da umidade ambiental, superfície dos elementos e temperatura, no laboratório é realizada a identificação anatômica das espécies e dos organismos ... See full document

... A redução da capacidade portante do elemento de concreto armado afetado por corrosão das armaduras é devida principalmente a quatro efeitos que são causados diretamente pela corrosã[r] ... See full document

... A pesar de que el uso de la ceniza volante como aditivo del concreto es añejo y existe amplia investigación basada en su uso como material de reemplazo de cemento en el concreto, el nivel de reemplazo de acuerdo con ... See full document

... research from Brazil, in which Romildo Berenguer et al purpose to analyze, through chemical tests, the quantity of chloride ions in concretes made from different traces (proportions of ... See full document

... particularly in marine environments, is a serious problem ...repairs and can threaten user safety in severe ...acute in reinforced concrete beams, because they experience tensile forces ... See full document

... Por lo tanto, en este trabajo se determinarán correlaciones que permitan evaluar como afecta la corrosión del acero de refuerzo el inicio y propagación de fisuras en el concreto armado[r] ... See full document

... Na área da reabilitação de edifícios, estabelece-se que o procedimento de reabilitação deve começar com uma inspecção, assegurando a caracterização adequada das ano[r] ... See full document

... that the addition of carbon nanotubes increased strength of cement with fly ...ash. In such research, the levels of 0.5% and 1% NTCs relative to the cement mass was analyzed, and ... See full document