Research Article
Performance Analysis of Prefabricated Steel-Spring Floating-Slab Track and Its Application to Urban Express Rail Transit
Table 15
Comparison of displacement of the floating-slab-track bed.
| Calculation working condition | Vertical displacement of the floating slab (mm) | Lateral displacement of the floating slab (mm) | L = 3.6 m | L = 4.8 m | L = 3.6 m | L = 4.8 m | − | + | − | + | − | + | − | + |
| Straight line-140 | 3.741 | 2.016 | 2.995 | 1.849 | 0.252 | 0.104 | 0.127 | 0.118 | Straight line-160 | 3.759 | 2.033 | 3.006 | 1.850 | 0.347 | 0.111 | 0.196 | 0.125 | Straight line-200 | 3.763 | 2.039 | 3.102 | 1.859 | 0.503 | 0.244 | 0.385 | 0.217 | Curve-140 | 3.718 | 1.990 | 2.864 | 1.772 | 0.152 | 0.145 | 0.289 | 0.195 | Curve-160 | 3.726 | 1.999 | 2.975 | 1.789 | 0.241 | 0.103 | 0.241 | 0.170 | Maximum change (%) | 46.48 | 40.07 | 68.01 | 43.64 |
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L: length; −: side-mounted isolators are not installed; +: side-mounted isolators are installed.
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