Question
Download Solution PDFWhat is the name of the wingwall if the angle of splay 90° ?
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFExplanation:
Return wing wall:
- When angle of splay becomes 90o, the wing walls are known as the return wing walls.
- Such wing walls are preferred to the splayed wing walls in case of very high embankments.
- When the return wing walls are adopted, it is possible to suitably extend the parapet walls on either side of the bridge beyond the abutment.
- The return wing walls are taken sufficiently inside so that the earth slope along them terminates outside the waterway.
- These walls confine the formation of the approaches and add to their strength.
Additional Information
Following are the usual types of the bridge piers:
- Column bents
- Cylinder piers
- Dumb-bell piers
- Pile bents
- Solid piers
- Trestle bents
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