دات مدي ت ل م ا ي م ص ت ات ساي ح روع ش م ة ي ئ ا ري لكه ا ى’ ف ش ست م لاد عد. ا ة’ خ ي ش و ب راء ا ب’ راف ش ا ي رو م ع ار= ر’ ب د.
.
: 1) . 2) . 3) . . . , :
888 / :
:
Basement floor
Ground floor
First floorSecond floor
: : (78 (w/m2 = * . = 3552*78 = 277 1) : : 70 . = 7000 = 2.2 . = 1
(w/m2 22) = * . = 3552*22 = 78.14
2) : .
(w/m2 40) = * . = 3552*40 = 142 3) : : (w/m2 16) = * . = 3552*16 = 56.8 :
. 2 2,2 90 70 .
: (Poiler). ( ). 30 .3. :
= (1 ) =140 /. : (1.30 * 2.80 *1.6) = 1 (6*6) 2.5.
Riser Diagram ::For one phase:
For three phases:
: 5%
: 2.5% 30
: