Crushed Bricks: Demolition Waste as a Sustainable Raw Material for Geopolymers

Sustainability

Domenico Caputo¹  Barbara Liguori¹  Assunta Campanile¹  Fabio Iucolano¹  Mercedes del Rio Merino²  Gigliola D’Angelo³  Marina Fumo³  Ilaria Capasso⁴ 

[1] ACLabs-Applied Chemistry Labs, Department of Chemical, Materials and Industrial Production Engineering, University of Naples Federico II, P.le Tecchio 80, 80125 Naples, Italy;Departamento de Construcciones Arquitectónicas y su Control, Escuela Técnica Superior de Edificación, Universidad Politécnica de Madrid, Avda. Juan de Herrera 6, 28220 Madrid, Spain;Department of Civil, Building and Environmental Engineering (DICEA), University of Naples Federico II, Via Claudio 21, 80125 Naples, Italy;Department of Engineering and Geology, University of Chieti-Pescara “G d’Annunzio”, Viale Pindaro 42, 65122 Pescara, Italy;

关键词: eco-sustainable materials;    construction and demolition waste;    crushed brick waste;    geopolymers;    waste reuse;   

DOI  :  10.3390/su13147572

来源: DOAJ

【 摘 要 】

Demolition activity plays an important role in the total energy consumption of the construction industry in the European Union. The indiscriminate use of non-renewable raw materials, energy consumption, and unsustainable design has led to a redefinition of the criteria to ensure environmental protection. This article introduces an experimental plan that determines the viability of a new type of construction material, obtained from crushed brick waste, to be introduced into the construction market. The potential of crushed brick waste as a raw material in the production of building precast products, obtained by curing a geopolymeric blend at 60 °C for 3 days, has been exploited. Geopolymers represent an important alternative in reducing emissions and energy consumption, whilst, at the same time, achieving a considerable mechanical performance. The results obtained from this study show that the geopolymers produced from crushed brick were characterized by good properties in terms of open porosity, water absorption, mechanical strength, and surface resistance values when compared to building materials produced using traditional technologies.

【 授权许可】

Unknown