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(Reference retrieved automatically from Web of Science through information on FAPESP grant and its corresponding number as mentioned in the publication by the authors.)

Improved interfacial transition zone between aggregate-cementitious matrix by addition sugarcane industrial ash

Full text
Author(s):
Rossignolo, Joao Adriano ; Rodrigues, Michelle Santos ; Frias, Moises ; Santos, Sergio Francisco ; Savastano Junior, Holmer
Total Authors: 5
Document type: Journal article
Source: CEMENT & CONCRETE COMPOSITES; v. 80, p. 157-167, JUL 2017.
Web of Science Citations: 7
Abstract

The aim of this study was to evaluate the influence of sugarcane industrial ash (SCIA) on mechanical properties of interfacial transition zone (ITZ) between aggregates and cementitious matrix by nano indentation technical analysis. The sugarcane biomass (agroindustrial by-product) was used for generation of electricity by burning in a cogeneration power system. The results of nanoindentation analyses showed that the ITZ thickness varied significantly with the water/binder ratio. Each formulation used different water and binder ratio, with the inclusion of 20% silica fume (SF) or SCIA. In fact, the mineral additions caused a reduction of the thickness of the matrix-aggregate ITZ, and consequently increased the values of the indentation modulus and hardness in relation to aggregate-matrix interface of the reference concrete. (C) 2017 Elsevier Ltd. All rights reserved. (AU)

FAPESP's process: 12/51467-3 - Agroindustrial wastes and their potential use as appropriate materials for housing and infraestructure (Agrowaste)
Grantee:Holmer Savastano Junior
Support type: Research Projects - Thematic Grants
FAPESP's process: 11/16842-5 - Waste ashes from the burning of the elephant grass (Pennisetum purpureum) as pozzolanic material for the partial substitution of the ordinary Portland Cement
Grantee:Erika Yukari Nakanishi
Support type: Scholarships in Brazil - Master
FAPESP's process: 10/16524-0 - Fracture mechanics applied to the development of non conventional extruded composites reinforced with cellulosic and syntetic fibers
Grantee:Sérgio Francisco dos Santos
Support type: Scholarships in Brazil - Young Researchers
FAPESP's process: 09/17293-5 - Fracture mechanics applied to the development of non conventional extruded composites reinforced with cellulosic and synthetic fibers
Grantee:Sérgio Francisco dos Santos
Support type: Research Grants - Young Investigators Grants
FAPESP's process: 13/50790-8 - Non conventional cement-based materials developed with industrial wastes as a contribution for a more sustainable industry
Grantee:Holmer Savastano Junior
Support type: Regular Research Grants