It is shown that the distress resulted essentially from the instable integration and the in-coordinate deformation between the existing subgrade and the widening one.

 
  • 病害的成因往往是多方面的,但新老路基之間的不良結合和不協(xié)調變形是最根本的,也是舊路拓寬工程中的主要控制機理。
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