#$1.$ A $200mm$ THICh SLAB IS REINFOKCED WITH $20MI$ bars aT $250mm$ spacing. The slab wULl be $25$ pts INTERIOR. THE CONCRETE AND STEEL PROPERTIES ARE:

$f_c^{\text{'}}=30$mia,$f_y=400$mla,$d_c=0,65,{}_s=0\mathrm{.}85$

$E=200000$mla,${}_w=24\frac{k}{m^3},a_{mm}=20mm$

a$)$ DETFRMINE THE FACTORED MOMENT RESISTANCE

b$)$ THE SLAB IS SIMPYY SUPPORTED IN ONE DIKEETIN OUER A $6$ M SPAN. FIND THE SAFE SPRCIFIED LIVE LOAD TH$\text{'}$S SLAB CAN CARRY,

USE $1,25$D$+1,5$L FROM NBC $2005$

POWTS ANARDED FOR: