Building Design Assigment Glass Facade

7/25/2019 Building Design Assigment Glass Facade

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Swinburne University of TechnologyName: Quoc Tuan NguyenCVE80008 uil!ing "esignStu!ent #": $0%&'&(

ASSIGNMENT 2: DESIGN OF GLAZING

FACADES

)* "esign +in! ,ction)*) -arameters:

. /ocation: arina oulevar!1 Cullen ay1 "arwin

. The buil!ing is rectangular in 2lan1 %0m on long si!es1 $0m on short si!es

an! (0m height from the groun!. The local to2ogra2hy is generally 3at. The local terrain: Terrain Category ( on the south.western an! south.

eastern si!es an! Terrain Category $ 4or ) for serviceability5 on other si!es. Shiel!ing by surroun!ing buil!ings is ignore!. The buil!ing is air con!itione! having non.o2ening win!ows an! therefore

it may be ta6en as being e7ectively seale!

50m

20m

30m

SW

SE

NE

NW

)*$ Site +in! S2ee! Vsit1

4Clause $*$ ,S9NS ))'0*$:$0))5

)*$*) ;egional +in! S2ee!: V;o This buil!ing shoul! be treate! as Level 34ase! on the uil!ing

Co!e of ,ustralia 4C,55* Thus1 ,nnual -robability of e


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o ?or an! 4Clause (*@ ,S9NS

))'0*$:$0))5* Therefore1 an!

)*$*$ +in! "irection ulti2lier: !

o ,ccor!ing to Clause (*(*$ ,S9NS ))'0*$:$0))1 for

cla!!ing

)*$*( Terrain Aeight ulti2lier: B1cato ,ccor!ing to Table @*) ,S9NS ))'0*$:$0))1 we have:

)*$*@ Shiel!ing ulti2lier: s

o because of no shiel!ing for all !irections of this buil!ing

)*$*% To2ogra2hic ulti2lier: t

o because the local to2ogra2hy is consi!ere! to be generally

3at ?rom the information above1 Site +in! S2ee! 4V sit15 is calculate! as

following:

$


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#n summary1 the site win! s2ee! for each main !irection are calculate! as

following:

o North.East 4NE5:

o South.East 4SE5:

o South.+est 4S+5:

o North.+est 4N+5:

)*( "esign +in! -ressure: -

4Clause $*@*) ,S9NS ))'0*$:$0))5

)*(*) ,ero!ynamic Sha2e ?actor: Cg

o ?or internal 2ressure: 4Clause %*$4)5 ,S9NS

))'0*$:$0))5

o

?or e


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, buil!ing e7ectively seale! an! having non.o2ening win!ows*

Thus1 or

Combination

?or internal 2ressure

?or e


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1 but Tributary area of glaBing

*

Thus1

F ?or other areas

. Negative -ressure:

F ?or si!e walls1 uil!ing as2ect ratio

Thus1

-orous cla!!ing ;e!uction ?actor

because of an e7ectively seale! buil!ing

)*(*$ "ynamic ;es2onse ?actor: C!yn,ssuming that the structure of this buil!ing is with rst mo!e

fun!amental freGuency of )AB* Thus1

)*(*( #nternal +in! -ressure: 2i

%


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)*(*@ E


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$* I2tion ,1 chec6ing The glaBing is to consist of insulating glass units

The outer glass is to be the same thic6ness as the inner glass

Jlass !imension $K%0mm high < )@'%mm wi!e

$*) &mm toughene! glass use! in the vision glaBing

$*)*) Chec6 strength of the glass

,s2ect ratio:

The glaBing is a !ouble.layer insulating glass1 the loa!.sharing

factor is as follow:

4Clause(*@*$ ,S )$88.$00&5

The outer glass is to be the same thic6ness as the inner glass1

thus

The win! 2ressure is use! to chec6 the glass:

'


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,ccor!ing to ?igure @*)( ,S )$88.$00& about ma


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$*$ 8mm heat strengthene! laminate! glass use! in the vision

glaBing

$*$*) Chec6ing strength of the glass

,s2ect ratio:

The glaBing is a !ouble.layer insulating glass1 the loa!.sharing

factor is as follow:

4Clause(*@*$ ,S )$88.$00&5

The outer glass is to be the same thic6ness as the inner glass1

thus

The win! 2ressure is use! to chec6 the 8mm heat strengthene!

laminate! glass:

+ith 4Table (*) ,S )$88.$00&5

,ccor!ing to ?igure @*$K ,S )$88.$00& about ma


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,ccor!ing to ?igure @*(% ,S )$88.$00& about curves for 9t

allowable for !e3ection of glass limite! to s2an9&01 with 1

we have:

The allowable slen!erness 9t of glass is given by:

,ccor!ing to Table @*) ,S )$88.$00& about minimum glassthic6ness1 with 8mm heat strengthene! laminate! glass1 we

have H Thus:

+e have

8mm heat strengthened laminated glass used in the

vision glazing is adequate for serviceability

(* I2tion 1 !etermining the reGuire thic6ness of thevision glass

Stan!ar! single layer glass is to be use!

Jlass !imension $K%0mm high < )@'%mm wi!e

(*) Toughene! glass to satisfy both strength an! serviceability&mm an! 8mm toughene! glass will be chec6e! against strength

an! serviceability

(*)*) Chec6ing strength of the &mm toughene! glass

,s2ect ratio:

The win! 2ressure is use! to chec6:

)0


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,ccor!ing to ?igure @*)( ,S )$88.$00& with an!1 we

have:

Chec6ing strength of the glass

6mm toughened glass used in the vision glazing is

adequate for strength

(*)*$ Chec6ing serviceability of &mm toughene! glass


,ccor!ing to ?igure @*(% ,S )$88.$00& with 1 we have:


,ccor!ing to Table @*) ,S )$88.$00& about minimum glass

thic6ness1 with monolithic &mm glass1 we have H Thus:

+e have

6mm toughened glass used in the vision glazing is not

adequate for serviceability

))


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(*)*( Chec6ing strength of the 8mm toughene! glass

,s2ect ratio:


,ccor!ing to ?igure @*)@ ,S )$88.$00& with an!1 we

have:



adequate for strength

(*)*@ Chec6ing serviceability of the 8mm toughene! glass


,ccor!ing to ?igure @*(% ,S )$88.$00& with 1 we have:


,ccor!ing to Table @*) ,S )$88.$00& about minimum glass

thic6ness1 with monolithic 8mm glass1 we have H Thus:

+e have

)$


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adequate for serviceability

(*$ Aeat Strengthene! /aminate! Safety Jlass

8mm an! )0 mm heat strengthene! glass will be chec6e!against strength an! serviceability

(*$*) Chec6ing strength of 8mm heat strengthene! glass

,s2ect ratio:

The win! 2ressure is use! to chec6 the 8mm heat strengthene!

laminate! glass:

,ccor!ing to ?igure @*$K ,S )$88.$00& with an!1 we

have:



vision glazing is not adequate for strength

(*$*$ Chec6ing strength of )0 mm heat strengthene! glass

,s2ect ratio:

The win! 2ressure is use! to chec6 the )0mm heat strengthene!

laminate! glass:

,ccor!ing to ?igure @*(0 ,S )$88.$00& with an!1 we

have:

)(


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vision glazing is adequate for strength

(*$*( Chec6ing serviceability of )0 mm heat strengthene! glass


,ccor!ing to ?igure @*(% ,S )$88.$00& about curves for 9t

allowable for !e3ection of glass limite! to s2an9&01 with 1

we have:


,ccor!ing to Table @*) ,S )$88.$00& about minimum glassthic6ness1 with )0mm heat strengthene! laminate! glass1 we

have H Thus:

+e have


vision glazing is adequate for serviceability

#n conclusion1 8mm toughene! glass or )0 mm heat strengthene!

laminate! safety glass can be use! for the vision glass of this buil!ing tosatisfy both strength an! serviceability*

)@


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@* "esign mullions an! transoms

@*) "esign mullions

@*)*) -arameters

+in 2ressure on the glass

"istance center between mullions

,ssuming mullions act as sim2le beams with full lateral

restraints

,ssuming that the rectangular hollow section )%0


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@*)*( Chec6ing !esign ben!ing moment

,ccor!ing to Clause %*) ,S @)00.)KK81 a ben!ing moment of a

member as following:

+here:

4Table (*@ ,S @)00.)K885

4Clause %*&*)*) ,S @)00.)K885

o 4a moment mo!ication factor5

o Slen!erness re!uction mo!ication factor

4EGuation %*&*)*)4$5 ,S @)00.

)K885

4EGuation %*&*)*)4(55

+here

4Clause %*&*)*@ ,S @)00.)K885

4Clause %*&*( ,S@)00.)K885

)&


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4Table (*).@4$5 Ine Steel5

4Clause %*$*)

,S @)00.)K885 with 4Table$*) ,S @)00.

)K885

Thus1

@*)*@ Chec6ing tension in mullions

"esign a


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4Table '.@4$5 Ine Steel5

Thus1

@*)*% Chec6ing con!ition of 3ection for serviceability

a


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@*$ "esign Transoms

@*$*) "esign loa!s

The ma


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a


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4EGuation %*&*)*)4$5 ,S @)00.

)K885

4EGuation %*&*)*)4(55

+here

4Clause %*&*)*@ ,S @)00.)K885

4Clause %*&*( ,S

@)00.)K885

4Table (*).@4$5 Ine Steel5

4Clause %*$*)

,S @)00.)K885 with 4Table$*) ,S @)00.

)K885

$)


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Thus1

@*$*( Chec6ing ben!ing moment

+here:

4Table 8.@4$5 Ine Steel5

+ith

Thus1

$$


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@*$*@ Chec6ing con!ition of 3ection for serviceability

a


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%* rief ;e2ort

%*) +in! 2ressure for ultimate state Pu an! serviceability state

Ps

%*$ 6mm oug!ene" gl#ss4!ouble layer glass5 an! $ mm

!e# s%eng!ene" l#min#e" gl#ss4!ouble layer

glass5 use! in vision glaBing are a!eGuate for both

strength an! serviceability

%*( $mm oug!ene" gl#ss4single layer glass5 an! &'mm

!e# s%eng!ene" l#min#e" gl#ss4single layer glass5

use! in vision glaBing are a!eGuate for both strength an!

serviceability

%*@ "imension of both mullions an! transoms is &(')(')*

R+S C*('

$@


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$%

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Building Design Assigment Glass Facade