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Explore advanced viscoplastic modeling techniques for 3D-printed concrete construction in this 19-minute conference talk from FerriteCon 2025. Learn how Quoc Tuan La from Technische Universität Braunschweig develops specialized material models for shotcrete and shortcrete used in additive manufacturing of structural concrete elements without traditional formwork. Discover how the presented viscoplastic framework integrates rheological characteristics to simulate the evolving mechanical properties of freshly deposited concrete layers, capturing critical effects including yield behavior and time-dependent deformation under load. Understand the unique challenges of modeling 3D-printed concrete, which exhibits distinct anisotropy and evolving mechanical behavior compared to conventional concrete, directly impacting structural performance and design considerations. Gain insights into how this modeling approach bridges the complex rheology of fresh concrete with long-term mechanical response, providing essential foundations for accurate numerical simulation of 3D-printed concrete structures under various loading conditions. See how advanced viscoplastic constitutive descriptions can enhance predictive modeling capabilities in additive construction workflows, particularly when implemented with modern finite element tools like Ferrite.jl for improved structural analysis and design optimization.
