Experimental Study on the Mechanical Properties and Health Monitoring Methods of Joints in AAPF
Abstract
:1. Introduction
2. Test Scheme
2.1. Specimen Design
2.2. Testing Plan
2.3. Material Property Test
3. Test Results
3.1. Analysis of Destructive Patterns
3.2. Distribution of Strain
3.3. Load-Deformation Curve
4. Establishing Numerical Models
4.1. Information of the Model
4.2. Model Validation
5. The Influence of the Arch Angle
5.1. Information of Basic Model
5.2. Vertical Load
5.3. Horizontal Load
6. Safety Monitoring of Beam-Beam Joints
6.1. Displacement Monitoring
6.2. Frequency Monitoring
7. Conclusions and Prospects
Author Contributions
Funding
Data Availability Statement
Conflicts of Interest
References
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No. | Diameter of Bolt (mm) | Angle of Arch (°) | Sectional Size of Beam (mm) | Sectional Size of Connector (mm) |
---|---|---|---|---|
SJ-A | 8 | 108 | H203 × 106 × 11 × 11 | 2C181 × 47.5 × 5 × 10 |
SJ-B | 14 | 108 | H203 × 106 × 11 × 11 | 2C181 × 47.5 × 5 × 10 |
SJ-C | 20 | 108 | H203 × 106 × 11 × 11 | 2C181 × 47.5 × 5 × 10 |
SJ-D | 20 | 90 | H203 × 106 × 11 × 11 | 2C181 × 47.5 × 5 × 10 |
SJ-E | 20 | 126 | H203 × 106 × 11 × 11 | 2C181 × 47.5 × 5 × 10 |
Material | Yield Strength MPa | Tensile Strength MPa | Elastic Modulus GPa |
---|---|---|---|
Aluminum alloy | 239 | 264 | 70.5 |
Steel | 235 | 360 | 206 |
Bolt | 887 | 992 | 204 |
Specimen | Source | Deformation (mm) | Load (kN) |
---|---|---|---|
SJ-A | Test | 64.4 | 94.1 |
FEA | 68.2 | 95.4 | |
SJ-E | Test | 53.9 | 84.9 |
FEA | 54.4 | 83.2 |
Specimen | Bolt Diameter (mm) | Arch Angle (°) | Bolt Preload (N·m) | Bolt Clearance (mm) |
---|---|---|---|---|
SJ-1 | 20 | 106 | 20 | 0.4 |
SJ-2 | 20 | 112 | 20 | 0.4 |
SJ-3 | 20 | 118 | 20 | 0.4 |
SJ-4 | 20 | 124 | 20 | 0.4 |
SJ-5 | 20 | 130 | 20 | 0.4 |
SJ-6 | 20 | 136 | 20 | 0.4 |
The Angle of Arching | 106° | 112° | 118° | 124° | 130° | 136° |
---|---|---|---|---|---|---|
Limit value of vertical displacement | 1/47 | 1/50 | 1/54 | 1/36 | 1/30 | 1/26 |
Limit value of horizontal displacement | 1/43 | 1/43 | 1/45 | 1/52 | 1/59 | 1/62 |
The size of the cross-section | 200 × 100 × 10 × 10 | 220 × 110 × 11 × 11 | 240 × 120 × 12 × 12 |
Limit value of frequency (Hz) | 221 | 243 | 265 |
The size of the cross-section | 260 × 130 × 14 × 14 | 280 × 140 × 16 × 16 | 300 × 150 × 18 × 18 |
Limit value of frequency (Hz) | 287 | 309 | 332 |
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Xing, Z.; Wang, G.; Pang, J. Experimental Study on the Mechanical Properties and Health Monitoring Methods of Joints in AAPF. Buildings 2024, 14, 1886. https://doi.org/10.3390/buildings14071886
Xing Z, Wang G, Pang J. Experimental Study on the Mechanical Properties and Health Monitoring Methods of Joints in AAPF. Buildings. 2024; 14(7):1886. https://doi.org/10.3390/buildings14071886
Chicago/Turabian StyleXing, Zhanqing, Gang Wang, and Jing Pang. 2024. "Experimental Study on the Mechanical Properties and Health Monitoring Methods of Joints in AAPF" Buildings 14, no. 7: 1886. https://doi.org/10.3390/buildings14071886