concrete design 1. The minimum number of main reinforcements for a spiral column

Question

concrete design

1. The minimum number of main reinforcements for a spiral column is . 2. If the size of the column is 350 mm by 400 mm, you need at least - 20 mm as vertical main reinforcements 3. The maximum permissible center-to-center spacing of spiral considering the minimum diameter permitted is 4. The ratio of smaller moment M1 to larger moment M2 is less than 0 if the moment follows a 5. The maximum possible center-to-center spacing of the temperature reinforcements is 6. When determining the thickness of the slab, is multiplied when the yield strength is not equal to 415 MPa. 7. In laying the ties, the lap corners must be to the corner longitudinal bars. 8. The actual spiral ratio is defined as the ratio between to the volume of concrete

Explanation / Answer

1. 6 bars

2. 4 bars

3. 25mm

4. double curvature

5. 450 mm

6. 0.8

7. outside

8. volume of spiral steel in one turn

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