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Now showing items 11-17 of 17
Bio-derived rheology modifying agents for cement-based materials
(Springer, 2020)
In recent few years, significant development has been made in concrete technology to accommodate the requirements of high-performance concrete. Rheology Modifying Agents (RMAs) (such as superplasticizers) and Viscosity ...
Design of energy-efficient white portland cement mortars for digital fabrication
(Springer, 2020)
Additive manufacturing, i.e. three-dimensional (3D) printing technology has many advantages over traditional processes and the related technology is continuously improving. This study aims to develop an energy- efficient ...
A comparative evaluation of sepiolite and nano-montmorillonite on the rheology of cementitious materials for 3D printing
(Elsevier, 2022-10-03)
Through the last decade, methods of digital manufacturing of concrete gained a significant interest compared to conventional concrete. The main challenge in additive manufacturing (3D printing) is to design a highly ...
Use of natural minerals to immobilize bacterial cells for remediating cracks in cement-based materials
(ASCE, 2022-03-01)
Cracks in cement-based materials are one of the main factors affecting the durability of structure. Recent research in the field of concrete materials showed that self-healing in cement-based systems can be achieved by ...
Calcium sulfoaluminate cement and supplementary cementitious materials-containing binders in self-healing systems
(Elsevier, 2023-08)
Creation of more durable concrete is one pathway to achieving improved sustainability and carbon footprint over a concrete structure's life. Microbially induced calcite precipitation has been shown to densify concrete ...
Designing redundant cable-driven parallel robots for additive manufacturing using end-effector compliance index
(IEEE, 2023)
This paper presents a methodology for optimizing cable anchor points for cable-driven parallel robots (CDPRs) for specific additive manufacturing tasks. Much of a CDPR's workspace is generally not used for printing tasks. ...
Automated flow rate control of extrusion for 3D concrete printing incorporating rheological parameters
(Elsevier, 2024-04)
The use of inline quality assessment technologies is of great importance in meeting the consistent extrusion requirements of 3D concrete printing (3DCP) applications. This paper presents a system to regulate extrusion speed ...
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