Performance of cementitious matrices incorporating concrete floor polishing sludge waste

被引：2

作者：

Silva, Lorena Araujo ^{[1
]}

Nahime, Bacus de Oliveira ^{[2
]}

Felipe, Alexsandro dos Santos ^{[1
]}

Elias, Carlos Nelson ^{[3
]}

do Carmo, Devaney Ribeiro ^{[4
]}

de Lima, Elton Carvalho ^{[5
]}

dos Santos, Igor Soares ^{[2
]}

Lima, Karen Lopes ^{[2
]}

Istuque, Danilo ^{[4
]}

机构：

[1] Inst Fed Goiano, Nanostruct Mat Lab, Rodovia Sul Goiana,Km 01, BR-75901970 Rio Verde, Go, Brazil

[2] Inst Fed Goiano, Rodovia Sul Goiana,Km 01, BR-75901970 Rio Verde, Go, Brazil

[3] Inst Mil Engn, Biomat Lab, Praca Gen Tiburcio 80, BR-22290270 Rio De Janeiro, RJ, Brazil

[4] Univ Estadual Paulista, Ave Brasil 51, BR-15385000 Ilha Solteira, SP, Brazil

[5] Univ Fed Tocantins, Rua 03,Quadra 17,Lote 11 S-N, BR-77500000 Porto Nacional, TO, Brazil

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2020年 / 265卷

关键词：

Concrete polishing waste; Cement composites; Sustainability; Microstructural characterization; CANE BAGASSE ASH; FINELY GROUND LIMESTONE; PORTLAND-CEMENT; MECHANICAL PERFORMANCE; DEMOLITION WASTE; HYDRATION; FILLER; CARBONATION; CONSTRUCTION; PASTES;

D O I：

10.1016/j.conbuildmat.2020.120119

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The objective of this work is to analyze of reusing concrete floor polishing waste (CFPW) as an additional material to cementitious compounds, reducing at the same time both the consumption of Portland cement and the environmental problems. Mortars and pastes were produced with CFPW additions (4% -mass up to 12%mass) and were characterized in terms of mechanical properties, chemical composition, and thermal analysis. The results of the thermal analysis showed that the moisture carbonation increased as the CFPW %mass increased. The results of the mechanical compression tests showed that the addition of CFPW increases the compressive strength of mortars. The conclusion is that adding CFPW to cementitious compound is feasible in order to reduce the consumption of Portland cement and preserve the environment. (C) 2020 Elsevier Ltd. All rights reserved.

引用

页数：10

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