Table 9 The maximum bending tensile stress at the bottom of the track slab under the dynamic load of the aircraft(MPa).

From: Mechanistic analysis of frost heave in airport runway subgrades in seasonal frost regions and pavement structural tolerance thresholds

Frost heave (mm)

B767- 300ER

B747-400

A380-800

10

1.922

3.337

4.043

15

2.072

4.213

4.957

20

2.265

5.063

5.974

25

2.484

5.854

6.690

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