Use of fly ashes from municipal sewage sludge combustion in production of ash concretes

被引：54

作者：

Rutkowska, Gabriela ^{[1
]}

Wichowski, Piotr ^{[1
]}

Fronczyk, Joanna ^{[1
]}

Franus, Malorzata ^{[2
]}

Chalecki, Marek ^{[1
]}

机构：

[1] Warsaw Univ Life Sci SGGW, Fac Civil & Environm Engn, Nowoursynowska 159, PL-02776 Warsaw, Poland

[2] Lublin Univ Technol, Civil Engn & Architecture Fac, Nadbystrzycka 40, PL-20618 Lublin, Poland

来源：

CONSTRUCTION AND BUILDING MATERIALS | 2018年 / 188卷

关键词：

Concrete additive; Fly ash; Frost resistance; Heavy metals leaching; COMPRESSIVE STRENGTH; NEURAL-NETWORKS; PREDICTION;

D O I：

10.1016/j.conbuildmat.2018.08.167

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

Application of fly ashes from combustion of municipal sewage sludge (FAMSS) in the concrete technology realizes assumptions concerning the European Union's waste management proposal. This study investigates the influence that a partial replacement of the Portland cement by these ashes would exercise on the strength parameters of concrete if compared to a reference concrete and concretes containing conventional admixtures in their composition, such as siliceous and calcareous fly ashes. Potential environmental impact of FAMSS application was investigated through the determination of heavy metals leachability. Results conveyed that the concretes containing fly ashes from combustion of municipal sewage sludge improved strength parameters and frost resistance as well as satisfied the environmental requirements imposed on leaching of heavy metals. (C) 2018 Elsevier Ltd. All rights reserved.

引用

页码：874 / 883

页数：10

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