Research Article
Cause Analysis and Countermeasures of Through Shakes in Foamed Concrete Subgrade
Table 4
K59 + 520∼K59 + 530: upward force of foamed concrete and stress calculation.
| | Block number | Length (m) | Linear meter length (m) | Height (m) | Volume (m3) | Foamed concrete density (kg/m3) | Gravity | Upward arch force = buoyancy − gravity (N) | Actual upward stress (MPa) | Note |
| | ① | 2.44 | 1 | 0.5 | 1.22 | 560 | 6832 | Not within the scope of immersion, excluded | | | | ②-1 | 3.42 | 1 | 0.5 | 1.71 | 560 | 9575 | 5427 | 0.0016 | Transfer through block ②-2 | | ②-2 | 3.42 | 1 | 1 | 3.42 | 560 | 19152 | | | | | ③ | 2.44 | 1 | 0.5 | 1.22 | 560 | 6832 | Not within the scope of immersion, excluded | | |
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