Alkali-activated building materials made with demolition wastes recycled construction and demolition wastes

被引：119
|
作者：
Andres Robayo-Salazar, Rafael [1 ]
Fernando Rivera, Jhonathan [1 ]
Mejia de Gutierrez, Ruby [1 ]
机构：
[1] Univ Valle, Composites Mat Grp GMC CENM, Cali, Colombia
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2017年 / 149卷
关键词：
Construction and demolition wastes; Red clay brick waste; Concrete waste; Glass waste; Alkali-activated cements; Geopolymers; Recycling materials; RAW-MATERIALS; CONCRETE; GLASS; MICROSTRUCTURE; MANAGEMENT; STRENGTH; BINDERS;
D O I：
10.1016/j.conbuildmat.2017.05.122
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The goal of this study was to test the viability of using red clay brick waste (RCBW), concrete waste (CW) and glass waste (GW) to produce alkali-activated cements (AACs) that can be used to fabricate blocks, pavers, roof tiles and tiles. The alkaline activators used were solutions of either NaOH or NaOH and water glass. Ordinary Portland cement (OPC) was mixed with RCBW and CW in proportions of up to 30% to create hybrid cements. The AACs obtained with the RCBW, the CW and the GW exhibited maximum compressive strengths (28 days) of 102, 33 and 57 MPa, respectively. (C) 2017 Elsevier Ltd. All rights reserved.
引用
收藏
页码：130 / 138
页数：9
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