
Figure 1
Cross-sectional geometry of soil–steel structure and truck location.
Table I
Sequence of locations xp of the pair of trucks relative to shell crown.
| xp/L | –4/4 | –3/4 | –2/4 | –1/4 | 0 | 1/4 | 2/4 |
|---|---|---|---|---|---|---|---|
| Primary travel | 0 | 1 | 2 | 3 | 4 | 5 | 6 |
| Secondary travel | – | 11 | 10 | 9 | 8 | 7 | 6 |

Figure 2
Model of soil–steel structure geometry [11].

Figure 3
Cross-section of corrugated plate’s circumferential section and distribution of unit strains.

Figure 4
Arrangement of measuring points on the circumferential section of shell, as well as the 2D model.

Figure 5
Functions εg(xp) for three points in the shell crown zone.

Figure 6
Functions εD(xp) for three points in the shell crown zone.

Figure 7
Functions ρ(xp) for three points in the shell crown zone, based on results presented in Figs. 5 and 6.

Figure 8
Comparison of shell crown deflections obtained by different measuring techniques.

Figure 9
Deflection components at point 6 originating from bending and compression.

Figure 10
Changes in the vertical displacements of points in the shell crown area during the travel of vehicles.

Figure 11
Changes in the horizontal displacements of three shell points during the travel of vehicles.

Figure 12
Change in vertical displacement of the shell point xo = L/4 during the travel of trucks.