Soil-Cement Matrices for Additive Construction: 3D Printing System Validation and Printing Tests

Guido Silva, Valeria Burgos, Robert Nanez, Suyeon Kim, Gaby Ruiz, Miguel A. Pando, Rafael Aguilar, Javier Nakamatsu

Producción científica: Capítulo del libro/informe/acta de congresoCapítulorevisión exhaustiva


Soil as a building material is gaining renewed interest from academia, and the constructionsector, mainly for fabricating low-environmental impact homes. The fabrication of houses with soilusing traditional methods such as adobe, cob, and rammed earth dates back to ancient times. However, emerging construction technologies, such as 3D printing, can be compatible with this material for building purposes. The article presents the validation of a 3D printing system for construction applications and the evaluation of soil-cement matrices' printability. First, the paper defines the printing parameters through experimental testing on soil matrices. Then, the article evaluates the printability of soil-cement matrices through filament printing and stacking tests. The results show that the 3D printing system prototype can fabricate small and medium-sized elements with soil matrices after correctly defining the pumping speed, printing speed, and layer height. Furthermore, experimental printing test results demonstrate that soil-cement matrices can be easily extruded and stacked; however, their printability capacity is strongly affected by the total water content and printing speed. This research highlights the suitability of soil-cement mixtures for additive manufacturing, a promising outcome that can facilitate the construction of homes in remote areas using 3D printing systems.

Idioma originalInglés
Título de la publicación alojadaMaterials Science Forum
EditorialTrans Tech Publications Ltd
Número de páginas8
EstadoPublicada - 2023

Serie de la publicación

NombreMaterials Science Forum
ISSN (versión impresa)0255-5476
ISSN (versión digital)1662-9752


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