Lightweight plasters containing plastic waste for sustainable and energy-efficient building

被引：65
作者：
Corinaldesi, Valeria [1 ]
Donnini, Jacopo [1 ]
Nardinocchi, Alessandro [1 ]
机构：
[1] Univ Politecn Marche, Fac Engn, Ancona, Italy
来源：
CONSTRUCTION AND BUILDING MATERIALS | 2015年 / 94卷
关键词：
Energy-efficient material; GFRP waste; Lightweight aggregate; PET waste; Wood waste; MECHANICAL-PROPERTIES; FINE AGGREGATE; PET BOTTLES; GFRP WASTE; CONCRETE; MORTARS; IMPROVEMENT; SAWDUST; REUSE; ASH;
D O I：
10.1016/j.conbuildmat.2015.07.069
中图分类号：
TU [建筑科学];
学科分类号：
0813 ;
摘要：
The reduction of energy consumption in construction, the production of thermally insulating materials, as well as the solution of environmental problems by recycling industrial and municipal waste are key challenges for the next future. For this reason several plasters have been studied, in which virgin raw materials such as natural sand and limestone filler were replaced up to 100% by waste polyethylene terephthalate (PET) particles and pulverized Glass Fibre Reinforced Plastic (GFRP) waste, respectively. Moreover, an attempt was made to combine PET waste particles and wood waste (WIN) particles in order to improve functional properties of plasters. As supplementary cementitious material silica fume was employed, which is a further industrial by-product obtained from silicon wafer sawing during the production process of solar panels. Finally, in some mixtures even cement was fully replaced by a combination of lime and hydraulic lime in order to further improve the carbon footprint of these plasters. At the end of the optimisation process, environmentally-friendly plasters have been obtained with 100% waste particles replacing virgin materials, which proved to be energy efficient thanks to the low thermal conductivity values achieved, as well as for their remarkable lightness. (C) 2015 Elsevier Ltd. All rights reserved.
引用
收藏
页码：337 / 345
页数：9
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