Location
Havener Center, Carver/Turner Room, 1:30pm-3:30pm
Start Date
4-2-2026 2:30 PM
End Date
4-2-2026 3:00 PM
Presentation Date
April 2, 2026; 2:30pm-3:00pm
Description
Additive manufacturing with cementitious materials advances rapidly, but predicting structural build-up is critical for 3D printed structure buildability. Various supplementary cementitious materials (SCMs) and fibers are commonly used to enhance structural build-up in 3D printing. Evaluating their effects is necessary for successful printing. In this research, this effect is studied for common SCMs, including fly ash and silica fume, and fibers including polypropylene (0.375% and 0.75% by volume), steel (0.75% and 1.5% by volume), and hemp fibers (0.375% and 0.75% by volume). The Structural build-up was quantified through continuous static yield stress measurements (via vane rheometer, penetration, and slump) during the first 60 minutes at 10-minute intervals. Results show a mixture with 5% silica fume (as cement replacement) provides the highest structural build-up. Among fibers, 0.375% hemp fiber showed the greatest build-up. Mixtures with SCMs and fibers showed acceptable correlation between full penetration and vane rheometer tests (R² = 0.97).
Biography
Shiva Kumar Goud Kasani is a Master's thesis candidate studying civil engineering, originally from Hyderabad, Telangana, India, and his primary focus areas are transportation engineering, structural engineering, and new technologies such as 3D printed concrete. His past projects have included pavement condition assessments, as well as life cycle cost assessments of pavements using a tool called MicroPAVER. He has also performed studies to investigate the usage of recycled concrete aggregates in order to contribute towards sustainability in construction. As he conducts research on improving the flowability, strength and buildability of 3D printable concrete, he takes a practical approach to addressing issues regarding innovation in construction.
Meeting Name
2026 - Miners Solving for Tomorrow Research Conference
Department(s)
Civil, Architectural and Environmental Engineering
Document Type
Presentation
Document Version
Final Version
File Type
text
Language(s)
English
Rights
© 2026 The Authors, All rights reserved
Exploring SCMs and Fibers for Structural Build-up in 3D Printing using Penetration Test
Havener Center, Carver/Turner Room, 1:30pm-3:30pm
Additive manufacturing with cementitious materials advances rapidly, but predicting structural build-up is critical for 3D printed structure buildability. Various supplementary cementitious materials (SCMs) and fibers are commonly used to enhance structural build-up in 3D printing. Evaluating their effects is necessary for successful printing. In this research, this effect is studied for common SCMs, including fly ash and silica fume, and fibers including polypropylene (0.375% and 0.75% by volume), steel (0.75% and 1.5% by volume), and hemp fibers (0.375% and 0.75% by volume). The Structural build-up was quantified through continuous static yield stress measurements (via vane rheometer, penetration, and slump) during the first 60 minutes at 10-minute intervals. Results show a mixture with 5% silica fume (as cement replacement) provides the highest structural build-up. Among fibers, 0.375% hemp fiber showed the greatest build-up. Mixtures with SCMs and fibers showed acceptable correlation between full penetration and vane rheometer tests (R² = 0.97).
Comments
Advisor: Nicolas Ali Libre, libren@mst.edu