TY - JOUR
T1 - Development of a stabilized natural fiber-reinforced earth composite for construction applications using 3D printing
AU - Silva, G.
AU - Quispe, L.
AU - Kim, S.
AU - Nakamatsu, J.
AU - Aguilar, R.
N1 - Publisher Copyright:
© Published under licence by IOP Publishing Ltd.
PY - 2019/11/25
Y1 - 2019/11/25
N2 - The application of additive manufacturing technologies to the construction industry has a wide range of advantages from the economic, social and design flexibility point of view. However, most of up to date research studies have been performed using ordinary Portland cement (OPC)-based mortars and concretes. Therefore, the objective of this article is to explore the development of an eco-friendly earth composite reinforced with natural sisal fibers and chemically stabilized with a hydraulic binder. Analysis of the workability by shear vane tests was performed on fresh earth samples to find the optimum water content in sisal fiber-reinforced earth stabilized with OPC. Afterward, the effect of the addition of OPC on the hardening process was evaluated through shear vane and Vicat needle tests from 0 to 180 min after mixing. The results indicate that water content, fiber addition and OPC replacement have a strong influence on the shear yield strength. Furthermore, the presence of chemical stabilizers as OPC accelerates the hardening process allowing a faster layer-by-layer deposition. This low cost and eco-friendly preliminary earth-based composite can be used for 3D printing applications in the construction industry.
AB - The application of additive manufacturing technologies to the construction industry has a wide range of advantages from the economic, social and design flexibility point of view. However, most of up to date research studies have been performed using ordinary Portland cement (OPC)-based mortars and concretes. Therefore, the objective of this article is to explore the development of an eco-friendly earth composite reinforced with natural sisal fibers and chemically stabilized with a hydraulic binder. Analysis of the workability by shear vane tests was performed on fresh earth samples to find the optimum water content in sisal fiber-reinforced earth stabilized with OPC. Afterward, the effect of the addition of OPC on the hardening process was evaluated through shear vane and Vicat needle tests from 0 to 180 min after mixing. The results indicate that water content, fiber addition and OPC replacement have a strong influence on the shear yield strength. Furthermore, the presence of chemical stabilizers as OPC accelerates the hardening process allowing a faster layer-by-layer deposition. This low cost and eco-friendly preliminary earth-based composite can be used for 3D printing applications in the construction industry.
UR - http://www.scopus.com/inward/record.url?scp=85078246459&partnerID=8YFLogxK
U2 - 10.1088/1757-899X/706/1/012015
DO - 10.1088/1757-899X/706/1/012015
M3 - Conference article
AN - SCOPUS:85078246459
SN - 1757-8981
VL - 706
JO - IOP Conference Series: Materials Science and Engineering
JF - IOP Conference Series: Materials Science and Engineering
IS - 1
M1 - 012015
T2 - International Conference on Development of Eco-Friendly Composite Materials Based on Geopolymer Matrix and Reinforced with Waste Fibers 2019, FIBER 2019
Y2 - 28 November 2019 through 29 November 2019
ER -