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Behavior of mortars with different types of cement when induced to Delayed Ettringite Formation (DEF)

Abstract: The purpose of this paper is to present an evaluation of different types of cement and the incidence of Delayed Ettringite Formation (DEF) through mortar composites cast in the laboratory and exposed to a high curing temperature over a 12-month study period.

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Durability of concrete with pozzolanic admixtures and recycled aggregates

Abstract: Mechanical and durability properties of concrete with a reduced environmental impact have been evaluated. This approach consist of replacing 50% of Portland cement by fly ash (35%) and spent catalytic cracking catalyst (15%), and also substituting a 20% and 1

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Theoretical-experimental behavior of steel fibers as a partial replacement for shear reinforcement in reinforced concrete beams

Abstract: It is proposed to partially replace the stirrups with steel fibers and thus improve the shear strength of concrete beams. The variables studied were: water/cement ratios (w/c) = 0.55 and 0.35, and fiber volume (Vf) = 0, 0.3, 0.5, 0.7% and 0, 0.2, 0.4, 0.6% re

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Evaluation of the effect of waste clay from a polyol production process as a partial substitute for cement in reinforced concrete

Abstract: In this work, the effect of waste clay from a polyol production process was evaluated, as a partial substitute for cement in reinforced concrete, in concentrations of 0%, 5% and 10%. The physico-mechanical characteristics of the concrete and the electrochemic

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Corrosion sensor for monitoring reinforced concrete structures: Tests on reinforced concrete specimens

Abstract: The aim of the research was to evaluate the effectiveness of a galvanic multi-electrode sensor to detect the probability of corrosion in reinforced concrete prisms subjected to drying and wetting cycles in a NaCl solution. The corrosion potential (Ecorr) read

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Mapping External Mortar Render (EMR) defects: case study in multi-storey residential buildings

Abstract: This study aims to identify, map, and quantify the external mortar render (EMR) defects of 22 multi-storey buildings located in the Fernandópolis city, Brazil. Incidence (M-INC) and intensity (M-INT) methods were used to quantify the building defect (BD) of f

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Documentation of the pathological manifestations of the Portico of the Cultural Baptism of Goiânia - Art Déco historical monument
T. L. Pio Santos P. F. Silva Júnior

Abstract: This article aims to present the methodology for the inspection and mapping of pathological manifestations of the Portico of Cultural Baptism of Goiânia. It is a monument from the beginning of the 1940s, representative of the Art Deco architectural style. In

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