1.2 If concrete has an idealized compressive stress-strain relationship as shown in Fig. Ia for the flexural design of a

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1 2 If Concrete Has An Idealized Compressive Stress Strain Relationship As Shown In Fig Ia For The Flexural Design Of A 1 (25.28 KiB) Viewed 47 times

1.2 If concrete has an idealized compressive stress-strain relationship as shown in Fig. Ia for the flexural design of an RC section. In the figure feu represents the characteristic cube strength of concrete and Ecw represents the crushing strain of concrete. Derive the relationship between the height of equivalent rectangular stress block, s, and the neutral axis depth, x. Also, obtain the concrete stress used in the equivalent stress block. (8 marks) 0.45. V 0.5& EX Fig. la