Research Article
The Permitted Dimension of Guide Sign in Freeway Tunnel Restricted by the Geometric Space of the Tunnel Vault
Table 3
Guide sign dimension for two-lane freeway tunnels.
| | R (m) | h0 (cm) | h3 (cm) | Ht (cm) | B (cm) | I | 2W (cm) | H (cm) | 2A (cm2) | DE (cm) | Dh (cm) |
| | 612 | 153.3 | 10 | 500 | 475 | LS 0.041 | 603.1 | 182.8 | 110226 | 173.5 | 493.1 | | LS 0.03 | 604.4 | 180.7 | 109180 | 172.8 | 494.8 | | LS 0.02 | 605.7 | 178.5 | 108137 | 172.1 | 496.6 | | 0 | 608.5 | 174.3 | 106055 | 170.8 | 500.0 | | RS 0.022 | 585.5 | 165.3 | 96818 | 767.8 | 515.4 | | RS 0.03 | 573.9 | 161.0 | 92384 | 762.0 | 522.9 | | RS 0.04 | 562.3 | 156.6 | 88071 | 756.1 | 530.2 |
| | 570 | 153.5 | 10 | 500 | 475 | LS 0.04 | 537.5 | 154.4 | 82999 | 206.3 | 491.7 | | LS 0.03 | 538.2 | 152.2 | 81890 | 205.9 | 493.8 | | LS 0.02 | 538.9 | 149.9 | 80782 | 205.6 | 495.9 | | 0 | 540.3 | 145.4 | 78568 | 204.8 | 500.0 | | RS 0.02 | 517.2 | 136.8 | 70748 | 733.6 | 514.7 | | RS 0.03 | 505.4 | 132.6 | 67012 | 727.7 | 521.8 | | RS 0.04 | 493.6 | 128.4 | 63392 | 721.8 | 528.9 |
| | 543 | 153.6 | 10 | 500 | 437.5 | LS 0.04 | 492.6 | 135.2 | 66587 | 191.2 | 492.4 | | LS 0.03 | 493.2 | 133.1 | 65645 | 190.9 | 494.3 | | LS 0.02 | 493.9 | 131.0 | 64704 | 190.6 | 496.2 | | 0 | 495.2 | 126.9 | 62823 | 189.9 | 500.0 | | RS 0.02 | 472.7 | 119.0 | 56245 | 673.8 | 513.5 | | RS 0.03 | 461.3 | 115.1 | 53111 | 668.1 | 520.0 | | RS 0.04 | 449.8 | 111.3 | 50081 | 662.4 | 526.5 |
| | 514 | 153.6 | 10 | 500 | 437.5 | LS 0.04 | 444.8 | 115.6 | 51418 | 215.1 | 491.4 | | LS 0.03 | 444.8 | 113.4 | 50461 | 215.1 | 493.5 | | LS 0.02 | 444.9 | 111.3 | 49505 | 215.0 | 495.7 | | 0 | 445.1 | 106.9 | 47591 | 214.9 | 500.0 | | RS 0.02 | 422.2 | 99.3 | 41915 | 648.6 | 513.0 | | RS 0.03 | 410.5 | 95.6 | 39227 | 642.8 | 519.3 | | RS 0.04 | 398.8 | 91.9 | 36638 | 636.9 | 525.5 |
|
|
1LS stands for the left superelevation. 2RS stands for the right superelevation.
|
