Numerical Analysis of Textile Reinforced Concrete Shells: Force Interaction and Failure Types
Abstract
:1. Introduction
2. Numerical Analysis of TRC Structures
2.1. FEM Model Formulation
2.2. Material Models
2.3. Orientation of Internal Forces
2.4. m-n Diagram for TRC Structures
2.5. Failure Types and Assessment of the Utilization Ratio
2.6. Extreme Values of the Internal Forces Field
3. Trial Models
4. Results of the FEM Calculations
4.1. Geometry Type G1.0
4.2. Geometry Types G1.1 to G2.2
4.3. Midspan Deflection Results
4.4. Stress Concentrations in the Trial-Based Calculations
5. Discussion
6. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Property | Longitudinal | Transversal | |
---|---|---|---|
Fiber cross-sectional area—fiber strand in (mm²) | 1.81 | 1.81 | |
Fiber cross-sectional area—mat in (mm²/m) | 85.4 | 84.6 | |
Roving axis distance (grid with) in (mm) | 21 | 21 | |
Mean tensile strength (a), (b) in (MPa) | ≥3950 | ≥4250 | |
Characteristic tensile strength (a), (b) in (MPa) | ≥3050 | ≥3250 | |
Average Young’s modulus (b) in (MPa) | ≥251,500 | ≥254,000 |
Properties | |
---|---|
Mean density in (kg/m³) | 2350 |
Mean short-time compressive strength in (MPa) | 121.1 |
Mean elastic modulus in (MPa) | 42,100 |
Name | Direction of Span | Span (m) | Height (m) | Boundary Conditions | Number of Textile Layers |
---|---|---|---|---|---|
G1.0 | Single | 1.8 | 0.2 | S1 and S2 | 1 |
G1.1 | Single | 4.0 | 0.2 | S1 and S2 | 1 |
G1.2 | Single | 6.0 | 0.2 | S1 and S2 | 1 |
G2.1 | Double | 1.8 | 0.2 | S1 and S2 | 1 |
G2.2 | Double | 1.8 | 0.2 | S1 and S2 and S3 | 1 |
Name | Total Weight Gtotal (kN) | Maximum Total Load Qlim (kN) | Span (m) | Structural Efficiency Estr (–) |
---|---|---|---|---|
G1.0 | 2.07 | 172.8 | 1.8 | 83.4 |
G1.1 | 4.61 | 78.0 | 4.0 | 16.9 |
G1.2 | 6.91 | 49.5 | 6.0 | 7.2 |
G2.1 | 4.15 | 172.8 | 1.8 | 41.6 |
G2.2 | 4.15 | 324.0 | 1.8 | 78.2 |
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Vakaliuk, I.; Scheerer, S.; Curbach, M. Numerical Analysis of Textile Reinforced Concrete Shells: Force Interaction and Failure Types. CivilEng 2024, 5, 224-246. https://doi.org/10.3390/civileng5010012
Vakaliuk I, Scheerer S, Curbach M. Numerical Analysis of Textile Reinforced Concrete Shells: Force Interaction and Failure Types. CivilEng. 2024; 5(1):224-246. https://doi.org/10.3390/civileng5010012
Chicago/Turabian StyleVakaliuk, Iurii, Silke Scheerer, and Manfred Curbach. 2024. "Numerical Analysis of Textile Reinforced Concrete Shells: Force Interaction and Failure Types" CivilEng 5, no. 1: 224-246. https://doi.org/10.3390/civileng5010012