Soil-cement blocks: a sustainable alternative for the reuse of industrial solid waste

Tulane Rodrigues da Silva; Daiane Cecchin; Afonso Rangel Garcez de Azevedo; Jonas Alexandre; Izabella Christynne Ribeiro Pinto Valadão; Nivam Alves Bernardino; Dirlane de Fátima do Carmo; Patrícia Ferreira Ponciano Ferraz

doi:10.5327/Z21769478956

Authors

Tulane Rodrigues da Silva Universidade Federal Fluminense (UFF) - Brazil https://orcid.org/0000-0002-6815-4423
Daiane Cecchin Universidade Federal Fluminense (UFF) - Brazil https://orcid.org/0000-0002-6098-1846
Afonso Rangel Garcez de Azevedo Universidade Estadual do Norte Fluminense (UENF) - Brazil https://orcid.org/0000-0002-4694-4459
Jonas Alexandre Universidade Estadual do Norte Fluminense (UENF) - Brazil https://orcid.org/0000-0002-2977-5585
Izabella Christynne Ribeiro Pinto Valadão Universidade Federal Fluminense (UFF) - Brazil https://orcid.org/0000-0002-8522-0680
Nivam Alves Bernardino Universidade Federal Fluminense (UFF) - Brazil https://orcid.org/0000-0002-1014-402X
Dirlane de Fátima do Carmo Universidade Federal Fluminense (UFF) - Brazil https://orcid.org/0000-0002-6483-8158
Patrícia Ferreira Ponciano Ferraz Universidade Federal de Lavras (UFLA) - Brazil https://orcid.org/0000-0002-9708-0259

DOI:

https://doi.org/10.5327/Z21769478956

Keywords:

building materials; sustainability; waste management.

Abstract

This study aimed to analyze potential industrial solid waste that can be added to soil-cement blocks. A narrative literature review was conducted in the Scopus academic database, using as the search criteria keywords related to the topic, such as soil-cement, building materials, soil-cement blocks, soil-cement bricks, physical and mechanical properties, solid waste, life cycle analysis, and civil construction. A variety of industrial solid waste that can be incorporated into soil-cement blocks was observed, such as waste rock, sludge from water treatment plants, wood sawdust, polyethylene terephthalate fibers (PET), vegetable fibers from loofah, hemp fibers, rice husks, brachiaria grass, poultry eggshells, sugar cane bagasse, wheat and barley straw, welding slag, foundry sand, waste from quartzite mining, construction, and demolition, mechanical turning, pulp industry grains, and steel mill co-products. Among the investigated wastes, those that improved the physical and mechanical properties of the soil-cement blocks were grains from the cellulose industry, rice husks, Brachiaria grass, steel by-products with granulated soil-cement blocks and blast furnace slag. The waste that produced no satisfactory results was sludge from a water treatment plant, sugarcane bagasse, and vegetable loofah. Through this research, it was possible to verify that the behavior of soil-cement blocks is influenced by several factors in their manufacture, mainly regarding the type and percentage of incorporated waste. However, it is important to be concerned with its application in waste blocks so as not to increase the environmental impacts in the long term.

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