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Simulation of Tetrahedral Profiled Carbon Rovings for Concrete Reinforcements
Paul Penzel1, Tobias Georg Lang1, Philipp Benjamin Weigel1
1Institute of Textile Machinery and High Performance Material Technology (ITM), Technische Universität Dresden, 01069 Dresden, Germany.
Materials (Basel, Switzerland)
|April 13, 2023
Summary
Textile reinforcements in concrete benefit from novel tetrahedral profiled rovings. These improve bonding and material use compared to conventional carbon rovings, enhancing structural applications.
Area of Science:
- Civil Engineering
- Materials Science
- Structural Engineering
Background:
- Textile reinforcements offer high tensile strength and corrosion resistance for concrete.
- Conventional carbon rovings rely on adhesive bonding, requiring long lengths for effective force transmission.
- This leads to inefficient material utilization in concrete applications.
Purpose of the Study:
- To investigate novel tetrahedral profiled rovings for improved bonding in concrete.
- To enhance the transmittable bond force and stiffness of textile reinforcements.
- To optimize roving geometry for superior bond and tensile properties.
Main Methods:
- Developed geometric and material models for tetrahedral profiled rovings.
- Simulated tensile and pullout tests to evaluate bonding behavior.
- Characterized the performance of profiled rovings through simulations.
Main Results:
- Tetrahedral profiled rovings create mechanical interlock with concrete, improving bond.
- Simulations indicate potential for increased bond force and stiffness.
- Optimized geometry is key to achieving better bond and tensile properties.
Conclusions:
- Profiled textile reinforcements offer a significant advancement over conventional rovings.
- Simulative modeling provides a basis for optimizing textile reinforcement design.
- These advancements promise more efficient and robust concrete structures.
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