CONCRETE TECHNOLOGY AND DESIGN OF CONCRETE STRUCTURES QUIZ

(iii) and (iv)

(i) and (ii)

(ii) and (iii)

(i) and (iv)

(iii) and (iv)

(i) and (ii),

(ii) and (iii)

(i) and (iv)

M25

M20

M10

M15

1.5 m and 3.0 m

3.0 m and 1.5 m

3.0 m and 3.0 m

1.5 m and 1.5 m

0.35 d

dependent on grade of concrete also

0.40 d

0.45 d

The least lateral dimension

4 times the least lateral dimension

2 times the least lateral dimension

3 times the least lateral dimension

8 %

4%

6 %

2 %

Increasing the depth

Providing shear reinforcement

Using high strength steel

Using thinner bars but more in number

fc5>fcr>fC

tcr – rcs = tct

fcr

fcr>fcs>fc.

2.2 and 2.2

1.5 and 1.5

1.5 and 2.2

2.2 and 1.5