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Assessment of compressive strength of alkali-activated mortars based on sewage sludge ash/blast furnace slag

Grant number: 13/25254-5
Support Opportunities:Scholarships in Brazil - Scientific Initiation
Effective date (Start): March 01, 2014
Effective date (End): February 29, 2016
Field of knowledge:Engineering - Civil Engineering - Construction Industry
Principal Investigator:Mauro Mitsuuchi Tashima
Grantee:Mauricio Antonio Santini Junior
Host Institution: Faculdade de Engenharia (FEIS). Universidade Estadual Paulista (UNESP). Campus de Ilha Solteira. Ilha Solteira , SP, Brazil


The aim of this work is to study the feasibility of reuse a waste material from sewage sludge treatment as raw material in the production of alkali-activated binders. Binary systems sewage sludge ash/blast furnace slag, in different proportions, and several alkali concentration of NaOH solutions will be assessed for alkali-activated binders production. Compressive strength of mortars cured at room temperature for 7, 28 and 91 days will be assessed. It is expected that sewage sludge ash could be used as raw material in the production of green concrete.

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