ASSIGNTIENT $7$

Problem $1(80$ Pasts$)$

Find $I_g,I_a$ and $m_{or}$ for the follouting sections. Assame nomel weight concrete

a$)f_c^{\text{'}}=5000ps,f_y=60,000$ po:

b$)f^{\text{'}}=1500$ psi, $f_4=60,000$ poi

c$)f_i^{\text{'}}=4500$ psi, $f_y=60,000$ pos

d$)f^{\text{'}}=4000$ poi, $f_y=60,000p^2$