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INSTITUTO UNIVERSITARIO DE TECNOLOGIA

ANTONIO JOSE DE SUCRE

EXTENCION BARQUISIMETO

Sistemas constructivos

Pórticos

Integrante

Torin Carlos

CI 18.6 6.! 6

Bar"#isi$%&o' J#nio (%l )*1+

Sistema Tradicional de Aporticado

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Los %l%$%n&os ,or&i-a(os' son %s&r#-ras (% -on-r%&o ar$a(o -on la$is$a (osi i-a-i/n -ol#$nas 0 i2as ,%ral&a(as' o -3a&as #ni(as %n 4onas (%-on ina$i%n&o (on(% or$an An2#lo (% !*5 %n %l on(o ,ar&% s#,%rior la(osla&%ral%s' %s %l sis&%$a (% los %(i i-ios ,or&i-a(os. Los "#% so,or&an las -ar2as$#%r&as' las on(as s7s$i-as ,or %s&ar #ni(as -o$o s# no$ r% lo in(i-a0El,or&i-a(o o &ra(i-ional -onsis&% %n %l #so (% -ol#$nas' losas $#ros (i isorios%n la(rillo.

Características

Es %l sis&%$a (% -ons&r#--i/n $9s (i #n(i(o %n n#%s&ro ,a7s %l $9san&i2#o. Basa s# :;i&o %n la soli(%4' la no l%4a la (#ra ili(a(. Un sis&%$aa,or&i-a(o %s a"#%l -# os %l%$%n&os %s&r#-ral%s ,rin-i,al%s -onsis&%n %n

i2as -ol#$nas -on%-&a(os a &ra :s (% n#(os or$an(o ,/r&i-os r%sis&%n&%s

%n las (os (ir%--ion%s ,rin-i,al%s (% an9lisis ara "#% %lsis&%$a #n-ion% % %-&i a$%n&% -o$o ,/r&i-o r72i(o %s #n(a$%n&al %l (is%?o (%&alla(o (% las -on%;ion%s ,ara ,ro,or-ionarl% ri2i(%4 -a,a-i(a( (%&rans$i&ir $o$%n&os.

Ventajas:

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• Gran li %r&a( %n la (is&ri #-i/n (% los %s,a-ios in&%rnos (%l %(i i-io.

• Son %s&r#-ras $# l%;i l%s "#% a&ra%n ,%"#%?as soli-i&a-ion%ss7s$i-as.

• Disi,an 2ran(%s -an&i(a(%s (% %n%r27a 2ra-ias a la (#-&ili(a( "#%,os%%n los %l%$%n&os la 2ran 3i,%r%s&a&i-i(a( (%l sis&%$a.

Desventajas:

• El sis&%$a %n 2%n%ral ,r%s%n&a #na a@a r%sis&%n-ia ri2i(%4 a las-ar2as la&%ral%s.

• S# 2ran l%;i ili(a( ,%r$i&% 2ran(%s (%s,la4a$i%n&os lo -#al ,ro(#-%

(a?os %n los %l%$%n&os no %s&r#-ral%s.

• Es (i 7-il $an&%n%r las (%ri as a@o los r%"#%ri$i%n&os nor$a&i os.

• >or s# al&a l%;i ili(a(' %l sis&%$a (a l#2ar a ,%r7o(os #n(a$%n&al%slar2os' lo -#al no %s r%-o$%n(a l% %n s#%los lan(os.

• El #so (% %s&% sis&%$a %s&r#-ral %s&9 li$i&a(o a %s&r#-ras a@as o$%(ianas. a "#% a $%(i(a "#% %l %(i i-io &%n2a $9s ,isos' $a or%s

&%n(r7an "#% s%r las (i$%nsion%s (% las -ol#$nas' lo -#al ,#%(% 3a-%r %l ,ro %-&o in ia l% %-on/$i-a ar"#i&%-&/ni-a$%n&%.

Proceso Constructivo

• oni i-a-i/n (%l &%rr%no• S%r i-ios 3i2i:ni-os• Al$a-%na$i%n&o (% $a&%rial%s• a ili&a-i/n (% i%rro %s&r#-ral• El%$%n&os ,r% a ri-a(os• al$a-:n• O i-ina• El%$%n&o Es&r#-ral%s

#n(a-i/nBas%>%(%s&alVi2a (% Rios&raCol#$na>la-aT%-3o

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Método de diseño

A $%n#(o la %s&r#-ra 3ori4on&al s% @%rar"#i4a # or2ani4a %n (i %r%n&%sni %l%s (% l%;i/n %l%$%n&os ,rin-i,al%s o ,ri$arios' s%-#n(arios' %&-. as&a-# rir &o&al$%n&%. >ara -i%r&os as,%-&os (%l an9lisis' la i(%ali4a-i/n (% la%s&r#-ra (is&in2#%' (% %n&r% los %l%$%n&os s#,%r i-ial%s 3ori4on&al%s' los%l%$%n&os -ons&i&i os (% la a$ilia ,rin-i,al < i2as= (% los %l%$%n&osr%sis&i(os ,or :s&a < or@a(os o losas= los anali4a ,or s%,ara(o. Las i2as s%anali4an @#n&o -on los ,ilar%s -ons&i %n(o los ,/r&i-os o %s&r#-ra %r&i-al' ,or o&ro la(o' las i2as -on %l r%s&o (%l or@a(o o %l%$%n&os (% ,iso -ons&i %nla %s&r#-ra 3ori4on&al.

Es&% %s(io s% li$i&a a las %s&r#-ras "#% a($i&%n $o(%los ,or&i-a(os',ara la %s&r#-ra %r&i-al' r%ali4a(os %n 3or$i2/n ar$a(o o %n a-%ro.

El $o(%lo (% arras ,%r$i&% si$,li i-ar no&a l%$%n&% las %-#a-ion%s "#%in&%r i%n%n. La arra %s in&%rna$%n&% isos&9&i-a' ,or lo "#% s% ,#%(%n o &%n%r ,or %"#ili rio las soli-i&a-ion%s (% #na s%--i/n %n #n-i/n (% las (% o&ra.

En %s&r#-ras (% %(i i-ios lo $9s si2ni i-a&i o (% -ara a las (%-ision%s(% (is%?o %s %l &a$a?o o (i$%nsi/n (% -a(a %l%$%n&o' %l nF$%ro &o&al (%%llos.

Los %l%$%n&os -ons&i&i os (% la %s&r#-ra s% ,#%(%n in-l#ir (% or$asi$,li i-a(a %n los si2#i%n&%s 2r#,os

• lementos super!iciales: %s&os s% (% in%n 2%o$:&ri-a$%n&% ,or #nsolo ,ar9$%&ro' s# %s,%sor' ,#%s s# #n-i/n ,rin-i,al %s -# rir s#,%r i-i%' -on(i-ionan&% $9s i$,or&an&% "#% %l %s&r#-ral.

• lementos lineales "ori#ontales $vigas%: no son o li2a(os ,%ro' si%;is&%n' s% (% in%n ,or s# s%--i/n' (os ,ar9$%&ros %n la $a or7a (% los-asos' &an&o ,ara 3or$i2/n ar$a(o an-3o -an&o' -o$o ,ara a-%ros%ri% -an&o.

• lementos verticales o soportes: Es&os s% (% in%n &a$ i:n ,or (os,ar9$%&ros' 9r%a or$a.

• Materia estructural "#% s% (% in% %n %s&r#-ras (% a-%ro ,or la&%nsi/n %l $/(#lo (% %las&i-i(a( %n las (% 3or$i2/n ar$a(o ,or los-orr%s,on(i%n&%s alor%s (% a$ os $a&%rial%s $9s la -#an&7a o,ro,or-i/n a-%ro 3or$i2/n.