Structural Method

8/18/2019 Structural Method

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STRUCTURAL METHOD&

SHADING DEVICES

SHADING DEVICES


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SOLAR SHADING DEVICE

• In its simplest form solar shain! is an" e#i$e%hi$h e$l'es the s'nshine from the ('ilin!)

• Solar shain! $ontrols the amo'nt of heat an

li!ht amitte to a ('ilin!)• Solar shain! e#i$e $ontri('te to sa#in!

ener!" in #ario's areas)

• *esies the thermal an ener!" aspe$ts+ solar

shain! leas to (etter #is'al $omfort)• Glare re'$tion %ill impro#e %or,in!

$onitions in o-$es)


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SOLAR SHADING DEVICES

• Lo$al shain! e#i$es. (al$on"+ o#erhan!an /n %hi$h $an either (e e/ne or (emoele as o(str'$tions)

•Internal shain! e#i$es. $'rtains an (lins

• Eternal shain! e#i$es. sh'tter anLo'#re %hi$h $an either (e e/ne or (emoele as o(str'$tions)

*oth internal an eternal shain! e#i$es$an (e $ontrolle (ase on internal airtemperat're an o$$'pan$" s$he'les)


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E0TERNAL SHADING DEVICES

• These are the shain! e#i$es %hi$hare intro'$e on the eterior of the('ilin!)

• There are mainl" 1 t"pes of eternalshain! e#i$es

2) Verti$al shain! e#i$es

3) Hori4ontal shain! e#i$es

1) E!! $rate shain! e#i$es


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VERTICAL SHADING DEVICES

• Verti$al shain! e#i$es $onsist of Lo'#re(laes or pro5e$te /ns in a #erti$al position)

• The hori4ontal shao% an!le meas'res their

performan$e)• Narro% (laes %ith $lose spa$in! ma" !i#e

the same shao% an!le as (roaer (laes%ith %ier spa$in!)

• It %ill (e seen that this t"pe of shain!e#i$e is most e6e$ti#e %hen the s'n is toone sie of the ele#ation)


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VERTICAL SHADINGDEVICES


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HORI7ONTAL SHADING DEVICE

• Hori4ontal shain! e#i$es $onsists of $anopies+hori4ontal Lo'#re (laes)

• The #erti$al shao% an!le meas'res their

performan$e)• To e$l'e a lo% an!le s'n+ this t"pe of e#i$e

%o'l ha#e to $o#er the %ino% $ompletel"+permittin! a #ie% o%n%ar onl")

•

It %ill (e seen that this t"pe of shain! e#i$e ismost e6e$ti#e %hen the s'n is opposite to the('ilin! fa$e $onsiere an at an hi!h an!le)


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• These are pla$e hori4ontall" in front of the%ino%+ in #ario's %a"s)

• Their+ shape+ t"pe+ epth an hei!ht all i6ers+

all epenin! on the s'n $onitions)• A %ino% o#erhan! is a 8's'all"9 hori4ontal

s'rfa$e that 5'ts o't o#er a %ino% to shae itfrom the s'n)

•

*e$a'se the s'n is hi!her in the s," in thes'mmer than the %inter+ it is possi(le for a /eo#erhan! to a$$omplish (oth s'mmer shain!an %inter s'nli!ht amission)


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• As this ia!ram ill'strates+ the (asi$ $on$ept is thatan o#erhan! $an (e positione to totall" allo% lo%%inter s'n in the entire %ino% %hile $ompletel"shain! the entire %ino% from s'mmer s'n)

• The esi!n $al$'lation is performe o#er a $ertainperio of mi;s'mmer an a $ertain perio of mi;

%inter+ t"pi$all" a month or t%o on either sie of thet%o solsti$es)

•

In fa$t+ it is not 's'all" possi(le to esi!n ahori4ontal o#erhan! that %or,s in the earl" mornin!or late afternoon (e$a'se the s'n is lo% in the s," in(oth the s'mmer an %inter)


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HORI7ONTAL SHADING DEVICES


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EGG CRATE SHADINGDEVICE

• E!! $rate shain! e#i$es $onsists of$om(inations of hori4ontal an #erti$alelements)

•

The #erti$al shao% an!le meas'res theirperforman$e)

• To e$l'e a lo% an!le s'n+ this t"pe of e#i$e%o'l ha#e to $o#er the %ino% $ompletel"+permittin! a #ie% o%n%ar onl")

• It %ill (e seen that this t"pe of shain! e#i$e ismost e6e$ti#e %hen the s'n is opposite to the('ilin! fa$e $onsiere an at an hi!h an!le)


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EGG CRATE SHADING DEVICES


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SHADING DEVICES


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Structural Method