Increasing the depth Using high strength steel Using thinner bars but more in number Providing shear reinforcement
Answer Discuss in Comment
Tensile stress Shear stress Bond stress Compressive stress
30% 10% 40% 20%
Between 1.5 and 2 Less than 1 Greater than 2 Between 1 and 1 .5
Greater than 2 Less than 1 Between 1 and 1 .5 Between 1.5 and 2.0
200 mm 100 mm 50 mm 150 mm
1/8 1/6 1/4 1/5
Parabolic above neutral axis rectangular below neutral axis Wholly parabolic Wholly rectangular Rectangular above neutral axis and parabolic below neutral axis
is maximum at neutral axis Decreases below the neutral axis and increases above the neutral axis Increases below the neutral axis and decreases above the neutral axis remains same
0.35d 0.40 d 0.45 d Dependent on grade of concrete also
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