Q$4.$ Design a rectangular beam B$1$ shown in the above figure using USDM?

$[8$ Marks, ILO$($s$)$: b$1,$ c$1,$ d$1]$

Assume simply supported span centre to centre to support a dead load of $25k\frac{N}{m}($including the estimated beam weight$)$ and a live load of $40\frac{k}{m}.$ Use $max=0\mathrm{.}75b,d=1\mathrm{.}66b,f^{\text{'}}c=27\mathrm{.}6$Mpa, and $fy=276$Mpa.

Q$5.$ For architectural reasons, a certain rectangular simply supported c$/$c

$[12$ Marks, ILO$($s$)$: b$1,$ c$1,$ d$1]$

Page $3$ of $4$

beam B$2$ is limited in cross section to a width of $250$ mm and a total depth of $450$ mm $.$ It must carry a total service live load of $20K\frac{N}{m}$ and total dead load $($including its own weight$)$ of $15K\frac{N}{m}.$ If $f{c}^{\text{'}}=35$MPa and fy $=420$MPa. Design Using Ultimate Strength Design Method for Flexural reinforcement and Shear reinforcement?