SAMPLE CALCULATION FOR MONOLITHIC OR LAMINATED Lami Lamina nate ted d Glas Glasss Resi Resist stan ance ce cond condit itio ion n "# $ t1 $ t $ i $ t/ $ a $ 0 $ 2FL $ GTF $ LR $ since:
LR 1
-
6mm 6mm thic thick k FT exte extern rnal al lite lite + 1.14 1.14 PVB PVB inter interla laye yerr + 6mm 6mm thic thick k FT inte intern rnal al lite lite all all side sidess sim simly ly s! s!or orte ted d 3.50 kPa % !ni&orm lateral load 8.00 mm %m min inim im!m !m thi thick ckne ness ss o& o!t o!ter er llit ite e as er er '(T '(T) ) *1, *1,,,- 8.00 mm %m min inim im!m !m thi thick ckne ness ss o& inn inner er llit ite e as er er '(T) '(T) *1,, *1,,- - 1.14 mm % th thickness o& o& int inte erlayer 1.14 mm % total thickness o& laminated /lass 3330 mm % /las /lasss lon/ lon/ dime dimens nsio ion n 0et 0ete een en rest restra rain ints ts 2300 mm % /las /lasss shor shortt dim dimen ensi sion on 0et 0etee een n res restr trai aint ntss 5.10 kPa % non &actored load 4.00 % /lass tye &actor &rom ta0le 1 o& '(T) *1,, 82FL9GTF: ,.4, kPa % internal lite load resistance
!"
# $%e&e'(&e )*+ss is +,e!-+$e s$&en)$%ise/
A&(i+$e Cen$e& (' *+ss De'*ec$i(n De'*ec$i(n 'ct!al 3e&lection * $ r, $ $ r1 $ $ r $ $
1,,
$
n n
$ $ $
1. t9e8ro+r
since:
% /lass mod!l!s o& elasticity
,. - .598a70: + 1.1198a70: - ,.,698a70: -.6 -. + .598a70: - .198a70: + ,.,698a70: . 1.45 - 1.,598a70: + ,.5198a70: - ,.,598a70: ,.15
x
'lloa0le de&lection d $ $
)Pa
"1 a *9t4 9x+r 9x
:
1.
mm
% center o& /lass de&lection
0 7 , .6
mm
% alloa0le de&lection
# $%e&e'(&e )*+ss is s+'e '(& ,e'*ec$i(n
SAMPLE CALCULATION FOR IU
LR 1
-
6mm thick >( external lite + 1mm airsace + 6mm thick FT internal lite all sides simly s!orted 3.50 kPa % !ni&orm lateral load 8.00 mm % minim!m thickness o& o!ter lite as er '(T) *1,,- 12.00 mm % minim!m thickness o& inner lite as er '(T) *1,,- 3330 mm % /lass lon/ dimension 0eteen restraints 100 mm % /lass short dimension 0eteen restraints 2.80 kPa % non &actored load &or 6mm thick monolithic /lass 2.80 kPa % non &actored load &or 6mm thick monolithic /lass 1.0 % 8>(: external lite &rom ta0le o& '(T) *1,, 3.80 % 8FT: internal lite &rom ta0le o& '(T) *1,, 4.5 % load share &actor &or external lite 1., % load share &actor &or internal lite 2FL1 GTF1 L(1 .5 kPa % external lite load resistance 82FL9GTF9L(: 1. kPa % internal lite load resistance
!"
# $%e&e'(&e )*+ss is +,e!-+$e s$&en)$%ise/
A&(i+$e Cen$e& (' *+ss De'*ec$i(n For ?!ter Lite "1
" 7 L(1
$ $ $ $ $ $ $ $ $
,.5, kPa % load carried 0y o!ter lite 1,, )Pa % /lass mod!l!s o& elasticity ,. - .598a70: + 1.1198a70: - ,.,698a70: -.45 -. + .598a70: - .198a70: + ,.,698a70: .1 1.45 - 1.,598a70: + ,.5198a70: - ,.,598a70: ,.,
x
$
ln ln
1
$ $ $
1.4 t19e8ro+r19x+r9x;:
$ $ $ $ $ $ $ $ $
" 7 L( ., kPa % load carried 0y o!ter lite 1,, )Pa % /lass mod!l!s o& elasticity ,. - .598a70: + 1.1198a70: - ,.,698a70: -.45 -. + .598a70: - .198a70: + ,.,698a70: .1 1.45 - 1.,598a70: + ,.5198a70: - ,.,598a70: ,.,
x
$
ln ln
$ $ $
1. t9e8ro+r19x+r9x;:
* r, r1 r
For
'lloa0le de&lection d $ $ since:
"198a90: * t14
14.,4
mm
% center o& /lass de&lection
"198a90: *9t4
1.4
mm
% center o& /lass de&lection
0 7 , 1.5
mm
% alloa0le de&lection
# $%e&e'(&e )*+ss is s+'e '(& ,e'*ec$i(n
SAMPLE CALCULATION FOR MULLION P'R')*T*R( 6,6-T6 'l!mini!m 'lloy 8Re&erence to B.(. - 5115 @ Part 1@ 11 - (tr!ct!ral !se o& 'l!min!m: *a $ ,,,, )Pa % mod!l!s o& elasticity o $ 16, )Pa % limitin/ stress &or 0endin/ and oAerall yieldin/ a $ 1 )Pa % limitin/ stress &or local caacity o& the section A $ )Pa % limitin/ stress &or shear gm $ 1. % material &actor ind Load " L0 t L
$ $ $ $ $
1.5 340 1140 "9t .
kPa mm mm
(ection Proerties ' t $ 1324
% desi/n ind load % !n0raced len/th o& m!llion % tri0!tary idth o& m!llion
k27m
% nominal ind load o& m!llion
mm mm4 mm4 mm mm
% cross sectional area 8/ross: @ moment o& inertia a0o!t x-axis % moment o& inertia a0o!t y-axis % distance &rom y-axis to remotest element % elastic section mod!l!s a0o!t x-axis
3*(
$ $ $
.65 .
MRS
% nominal moment
k2-m
% &actored moment carried 0y al!mini!m d!e to in
k2-m
% moment resistance o& m!llion alon/ x-axis
n
.1
Bendin/ )oment Caacity $ o nxt gm R(x $ .5
since:
k2-m
ML
7 &('i*e is +,e!-+$e '(& en,in)/
Check &or 3e&lection 2ote @ This is not the exact &orm!laD&or a lesser conseraAtiAe res!lt ass!me artial &ixity o& m 'ct!al 3e&lection 4 dL $ 54 L L *a
1.,
'lloa0le 3e&lection dP $ L0 7 1 9 ,.5
since :
L
mm
mm
% aroximate de&lection 8contin!os m!llion:
or ,
mm
% hicheAer is lesser
7 &('i*e is +,e!-+$e '(& ,e'*ec$i(n/
load
!llion.
