From Fig 22 , it can be seen that with the increase of rainfall time, the longitudinal joint pavement repaired by grouting first appeared on the surface of the slope with a small transient saturated zone, the transient saturated zone under the action of continuous rainfall slowly became larger, and along the slope showed a trend of gradual decrease in the area from the bottom to the top.
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The mechanism of seepage prevention of polymer grouting repair for longitudinal cracks in reconstructed and expanded pavement.
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