The results of the large strain analysis of the corrugated steel culvert are very close to the results of the small strain analysis, and the boundary condition is better than that of the reverse open trench backfill method.
Based on the analysis, the mechanical properties of corrugated metal culvert are obtained:
1, the wave crest and trough in the top of the tube, the bottom of the tube, the tube side are stress concentration, the maximum equivalent stress of each pipe location and load are closely related.
2, compared with the circular culvert, the horizontal displacement, deflection and disturbance to the road side of the corrugated pipe culvert are small, which is beneficial to the protection of the road surface.
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