Question

wing walls constructed at an acute angle is called ............. wing - walls


1) return

2) splayed

3) both 1 and 2

4) none of the above ​

Answer 1

wing wall (also "wingwall" or "wing-wall") is a smaller wall attached or next to a larger wall or structure.

Bridges

Answer 2

Wing walls constructed at acute angle is called return wing walls

Correct optin is 1)return

Explanation:

Correct answer is 1) return-wing backwalls : Use when the rocks are high or hand . Their width along the top is 1.5 m, the faces are vertical , the backs are beaten off-1-4 times. Flushing can be a problem for both side walls and piers as river.

2) Splayed- Splayed wing walls : used for bridges across rivers . They provide a smooth entry and exit into the water . The slope is usually 45 degree.