| 摘要 |
A sectional I-beam post for use along a roadside in which the post has a first elongate lower section securable via a first slip type coupling to a base anchored in the ground. Slip movement of such coupling is in a direction across the length of the post. The first coupling includes L-shaped brackets with one leg thereof attached to the post by bolts so as to be detachable therefrom and notches in the outer end of the other leg which projects outwardly from the post A second elongate upper post section has the lower end thereof connected to the upper end of the first post section by a second slip type coupling. Slip movement of the second coupling is in a direction lengthwise of the post. The second coupling includes an end plate bolted to at least one post section including at least one notch that providing a slip connection with the other post section. A third coupling includes end plates bolted to opposing post sections having a slip plate thereinbetween, each one of the end plates having notches that provide a slip connection between the opposing post sections.
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