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Study of the Addition Effect of Glycerin Originated from Biodiesel Production at Compressive Strengh of Concrete

Journal of Environmental Science and Engineering(A) 2020年第3期9卷 113-118页

作者： Matheus Alves Lima dasilva Alan Carlos de Almeida brenda Fernandes deFreitas Pedro Luís Millen Penedo Sandro Pereira Ribeiro GustavoJoséda CostaGomes Mayara Lisboa Santos Adriana Lau da silva Martins Cristiane de Souza Siqueira Pereira Universidade de Vassouras VassourasRio de Janeiro 27700-000Brazil Institute of Technical Culture Volta RedondaRio de Janeiro 27251-220Brazil Department of Engineering University Center Geraldo Di BiaseBarra do PiraíRio de Janeiro 27600-000Brazil

The residues generated by big industries are directly and gradually impacting the environment,and some of these have not been fully tapped in a proper ***,some researches and studies about minimalizing the residue’s disposal become *** biodiesel industries have been producing increasingly glycerin as the main *** on that,it is considered as a good option of the reutilization of this material,for example,the merging at the concrete’s *** this argument,the addition’s effects of glycerin were evaluated as well as the influence of its adding at the compressive *** proof-bodies were formulated according to the trace in proportion of 1:1:2(cement,sand and gravel,respectively)and 0.4 L of glycerin added at the final *** the bases of the survey results,it was verified that the proof-bodies without the addition of glycerin presented average mechanical resistance of 12.2±1.95 MPa after twenty eight(28)days of curing,and mechanical resistance of the proof-bodies with the addition achieved resistance of 26.2±1.62 MPa,suggesting influence on the hydration kinetics of the concrete.

关键词： Glycerin cement biodiesel

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