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Flexural Strength of High-Performance Soil-Cement: A New, Alternative, Sustainable Construction Material

Vinolas, Bernat ; Casanovas-Rubio, Maria del Mar ; Silva, Alexandre Christofaro ; Bretas Roa, Juan Pedro ; Andrade, Alan Cardek Lopes ; Carvalho, Frank A. de ; Gonçalves, Hugo Henrique A ; Rocha, Helton John A

Sustainability, 2023-11, Vol.15 (21), p.15369 [Periódico revisado por pares]

Basel: MDPI AG

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Título:
Flexural Strength of High-Performance Soil-Cement: A New, Alternative, Sustainable Construction Material
Autor: Vinolas, Bernat ; Casanovas-Rubio, Maria del Mar ; Silva, Alexandre Christofaro ; Bretas Roa, Juan Pedro ; Andrade, Alan Cardek Lopes ; Carvalho, Frank A. de ; Gonçalves, Hugo Henrique A ; Rocha, Helton John A
Assuntos: Aggregates ; Cement ; Concrete ; Construction ; Energy consumption ; Environmental impact ; Green building (Construction) ; Green buildings ; Literature reviews ; Moisture content ; Sand, gravel and stone industry ; Soils
É parte de: Sustainability, 2023-11, Vol.15 (21), p.15369
Descrição: Soil-cement is a building material that is considered low-cost and has a low environmental impact. Despite its benefits, performance optimisation studies are scarce compared to other materials such as concrete. The possibility of obtaining soil-cement with improved characteristics, such as flexural strength, would enable the increased use of this product in new applications in construction. The aim of this study is to produce high-performance soil-cement (HPSC) specimens and to evaluate and compare this new material with high-performance concrete (HPC) in terms of flexural strength. A total of 12 specimens were produced with a mixture of 23.5% (by mass) of cement with the application of 10 MPa of pressure for its compaction. The results show that, at 28 days, the specimens reached an average strength of 6.73 MPa and, at 240 days, 12.34 MPa. This means that the HPSC reached a flexural strength resistance equivalent to HPC without the need for mined materials, such as sand and gravel, or the additives adopted in some doses of HPC, such as superplasticisers. Therefore, when using local soil, HPSC can be considered an environmentally preferable alternative to HPC for many construction applications where flexural strength is a requirement.
Editor: Basel: MDPI AG
Idioma: Inglês

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Flexural Strength of High-Performance Soil-Cement: A New, Alternative, Sustainable Construction Material

Vinolas, Bernat ; Casanovas-Rubio, Maria del Mar ; Silva, Alexandre Christofaro ; Bretas Roa, Juan Pedro ; Andrade, Alan Cardek Lopes ; Carvalho, Frank A. de ; Gonçalves, Hugo Henrique A ; Rocha, Helton John A

Basel: MDPI AG

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