Load–Temperature Coupling Effect on the Base Plate End of the Whole Tram Road
Abstract
:1. Introduction
2. Theory
2.1. Calculation Method
2.2. Boundary Conditions
2.3. Radiation Intensity
3. Results
3.1. Parameter Setting
3.2. Research Questions
4. Discussion
4.1. Structure Layer Combination
4.1.1. Bed Slab Thickness
4.1.2. Thickness of Supporting Layer
4.1.3. Contact Conditions
4.2. Material Parameters
4.2.1. Roadbed Plate Modulus
4.2.2. Modulus of Supporting Layer
4.2.3. Subgrade Strength
5. Conclusions
Author Contributions
Funding
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Parameters | Conductivity (W/(m·°C)) | Specific Heat (J/(kg·°C)) | Density (kg/m3) | Emissivity / | Film Coefficient (W/(m2·K)) |
---|---|---|---|---|---|
Monolithic bed board | 2.54 | 988 | 2500 | 0.94 | 13 |
Support layer | 1.0 | 817 | 2000 | / | / |
Soil base | 1.2 | 879 | 1870 | / | / |
Steel | 34.9 | 520 | 7800 | / | / |
Thickness of Track Bed /cm | Characteristic Points of Extreme Values of Mechanical Behavior | |||||||
---|---|---|---|---|---|---|---|---|
Horizontal | Vertical | |||||||
20 | 2.239 | 3.301 | 66.645 | 3.387 | 2.059 | 2.719 | 100.566 | 3.965 |
22 | 2.069 | 3.219 | 64.205 | 3.304 | 2.133 | 2.708 | 88.990 | 3.811 |
24 | 1.957 | 3.126 | 62.013 | 3.210 | 2.166 | 2.705 | 82.335 | 3.655 |
26 | 1.841 | 3.051 | 60.764 | 3.136 | 2.158 | 2.710 | 78.769 | 3.535 |
28 | 1.746 | 2.977 | 59.202 | 3.062 | 2.115 | 2.718 | 77.112 | 3.427 |
Support Layer Thickness /cm | Characteristic Points of Extreme Values of Mechanical Behavior | |||||||
---|---|---|---|---|---|---|---|---|
Horizontal | Vertical | |||||||
12 | 1.789 | 2.947 | 56.954 | 3.013 | 2.052 | 2.620 | 73.871 | 3.434 |
14 | 1.934 | 3.093 | 61.861 | 3.172 | 2.170 | 2.704 | 81.336 | 3.595 |
16 | 1.837 | 3.084 | 60.848 | 3.174 | 2.164 | 2.710 | 79.007 | 3.596 |
18 | 1.739 | 3.075 | 59.835 | 3.175 | 2.157 | 2.716 | 77.439 | 3.597 |
20 | 1.621 | 3.063 | 58.531 | 3.173 | 2.153 | 2.725 | 75.908 | 3.595 |
Coefficient of Friction between Layers | Characteristic Points of Extreme Values of Mechanical Behavior | |||||||
---|---|---|---|---|---|---|---|---|
Horizontal | Horizontal | |||||||
0.2 | 1.900 | 3.182 | 63.485 | 3.265 | 2.154 | 2.739 | 90.267 | 3.726 |
0.6 | 1.898 | 3.127 | 62.132 | 3.212 | 2.158 | 2.726 | 84.807 | 3.649 |
0.9 | 1.896 | 3.088 | 61.293 | 3.173 | 2.166 | 2.709 | 79.477 | 3.593 |
1.2 | 1.904 | 3.055 | 61.298 | 3.140 | 2.178 | 2.693 | 81.020 | 3.545 |
1.5 | 1.877 | 3.039 | 61.328 | 3.125 | 2.190 | 2.687 | 83.147 | 3.527 |
Track Bed Slab Modulus/GPa | Characteristic Points of Extreme Values of Mechanical Behavior | |||||||
---|---|---|---|---|---|---|---|---|
Horizontal | Horizontal | |||||||
30 | 1.728 | 3.208 | 63.448 | 3.293 | 1.673 | 2.691 | 89.670 | 3.965 |
35 | 1.814 | 3.142 | 62.127 | 3.227 | 1.921 | 2.691 | 83.631 | 3.811 |
40 | 1.896 | 3.088 | 61.293 | 3.173 | 2.166 | 2.709 | 79.477 | 3.655 |
45 | 1.975 | 3.038 | 60.832 | 3.122 | 2.407 | 2.725 | 78.136 | 3.535 |
50 | 2.049 | 2.992 | 60.205 | 3.076 | 2.642 | 2.749 | 76.933 | 3.427 |
Support Layer Modulus /GPa | Characteristic Points of Extreme Values of Mechanical Behavior | |||||||
---|---|---|---|---|---|---|---|---|
Horizontal | Horizontal | |||||||
6 | 2.008 | 3.119 | 60.644 | 3.119 | 2.196 | 2.709 | 85.255 | 3.628 |
9 | 1.952 | 3.103 | 60.333 | 3.103 | 2.180 | 2.703 | 82.208 | 3.610 |
12 | 1.896 | 3.088 | 61.293 | 3.173 | 2.166 | 2.709 | 79.477 | 3.593 |
15 | 1.821 | 3.078 | 61.367 | 3.162 | 2.154 | 2.708 | 78.886 | 3.585 |
18 | 1.764 | 3.065 | 61.247 | 3.150 | 2.143 | 2.712 | 78.637 | 3.572 |
Soil Foundation Modulus/ MPa | Characteristic Points of Extreme Values of Mechanical Behavior | |||||||
---|---|---|---|---|---|---|---|---|
Horizontal | Horizontal | |||||||
30 | 2.146 | 6.197 | 39.553 | 6.273 | 1.702 | 5.219 | 50.987 | 6.945 |
45 | 2.023 | 4.158 | 50.860 | 4.240 | 2.166 | 2.709 | 66.404 | 4.747 |
60 | 1.896 | 3.088 | 61.293 | 3.173 | 2.251 | 2.157 | 79.477 | 3.593 |
75 | 1.793 | 2.420 | 71.311 | 2.506 | 2.098 | 2.264 | 93.651 | 2.870 |
90 | 1.700 | 1.943 | 79.029 | 2.030 | 2.306 | 1.776 | 101.216 | 2.349 |
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Huang, C.; Zhu, M.; Sun, Y. Load–Temperature Coupling Effect on the Base Plate End of the Whole Tram Road. Sustainability 2022, 14, 6438. https://doi.org/10.3390/su14116438
Huang C, Zhu M, Sun Y. Load–Temperature Coupling Effect on the Base Plate End of the Whole Tram Road. Sustainability. 2022; 14(11):6438. https://doi.org/10.3390/su14116438
Chicago/Turabian StyleHuang, Chongwei, Meixuan Zhu, and Yu Sun. 2022. "Load–Temperature Coupling Effect on the Base Plate End of the Whole Tram Road" Sustainability 14, no. 11: 6438. https://doi.org/10.3390/su14116438