Task $5$: Use Australian Standards AS $3600$ and relative code to design ultimate strength theory for bending using rectangular stress block with first principles. Elastic strength analysis

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standstrojion dagran

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Figure $1$

Label the following on the figure $1$ given above:

a$)D=$ over all depth,

b$)d=$ effective depth,

c$)b=$ width of section,

d$)$ Tension Zone,

e$)$ Compression zone,

f$)$ N$.$A $=$ Neutral axis

g$)A_{st}=$ Area of steel,

h$)kd=$ depth of neutral axis,

i$)lo{n}_c=$strain in concrete,

j$)lo{n}_s=$ strain in steel,

k$)f_c=$ maximum stresses in concrete,

l$)f_s=$ stresses in steel,

m$)C=$ compressive force,

n$)T=$ tensile force,

o$)jd=$ ever arm

p$)\frac{kd}{3}=$ Distance from top compression fiber to line of action of compressive force