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Natural additive (nopal mucilage) on the electrochemical properties of concrete reinforcing steel

Abstract: In this investigation the effect of Nopal mucilage on the electrochemical properties of concrete was evaluated. Three concentrations of this additive were designed with a Nopal-water ratio of 1:1, 1:2 and 1:3. Compressive tests were performed after 28 days of

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Analysis of compost repair mortars by vinylic copolymer, PVA, and SBR
M. H. de Souza R. A. de Souza

Abstract: This work has as its objective the development and analysis of compostable polymeric mortars using vinyl copolymer, PVA (polyvinyl acetate) and SBR (styrene-butadiene). Tests were carried out to determine the compressive and diametral compression tensile stre

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Specimen size effect on the durability indexes determination for cement-based materials

Abstract: In this project is required to determine if there is any result variation in durability indexes due to size effect in sizes of mortar specimens. Cubes 5 x 5 cm, 5 x 10 cm and 10 x 20 cm cylinders for each mortar type were considered. It was found that in cert

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Fatigue service life of longitudinal reinforcement bars of reinforced concrete beams based on the real heavy traffic

Abstract: This paper analyzes the fatigue service life of longitudinal reinforcement in reinforced concrete bridge beams by considering the actual number of heavy vehicles from 2 to 6 axes in a railway in the state of São Paulo, Brazil. Theoretical models with a struct

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Application of GUT Matrix in the assessment of pathological manifestations in heritage constructions

Abstract: The present paper presents the application of GUT (Gravity, Urgency, Tendency) Matrix methodology as a tool in the assessment of pathological manifestations in buildings. Three heritage constructions of the historic center of Sobral, Ceará, Brazil were studie

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Diagnostic of damage in a building of the early twentieth century in Havana. Case study
A. H. Oroza R. G. Hernández

Abstract: The objective of this work is to diagnostic the existing deterioration in a reinforced concrete building located in Old Havana, Cuba, built in 1906. Due to the years of exploitation and lack of maintenance, the property began to show detachment of concrete an

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Inspection and evaluation of roofing systems: a case study

Abstract: The roof system of one of the buildings of the University of Brasília - DF is characterized and evaluated. The main existing anomalies in the roof systems are analyzed and the intervention priority is systematized, in order to correlate them with the correcti

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Criterios Altamente Valorados / Criterios Deseables Criterios Cualitativos
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