Examen II Estructuras Metálicas Semestre: I-2013 Nombre:……………………………………………..Grupo:………ec!a:………… "atos: #$ #$ #21 %cero: &%'0. &%'0. (iento: (iento: )*120+m,! &)*2'0+p,m2 &)t:*1'0+p,m2 %&I-/"- %IS&
1.-Estructura: Graicar las caras con )alores: cara )i)a cara muerta presin 4e )iento 2.-(iento: 2.-(iento: )*120+m,! /r *1.2 &)x 1* ………+p,m2
&)x2* ………+p,m2
&)i'* …..+p,m2
(iueta anc!o contribuente: b5*……..cm establecer 3.-&ara lineal sobre )iuetas: &m$* ………+p,m &ara )i)a &)$* …….+p,m Propiedades de la sección 4.- Zx=…………….cm3 Ix==…………..cm4 Capacidad de la vigueta con losa de Hºº no cola!orante "#in conectores de corte$ . %.- Por &lexión '(=………..)p*cm Por de&ormación. ' +=…………)p*cm Capacidad de vigueta con losa de Hºº cola!orante
"Con conectores de corte$
,.- Por &lexión ' 3=………)p*cm Columna central..- sta!lecer carga en P/ por 0reas tri!utarias
P=………..1p. "#olo carga axial$
2.- eri&icar eri&icar la columna (,%5 Capacidad columna6 Pº=……...1p "mpotrado - articulada &i7a$ Placa !ase
columna6
8.- Placa !ase para6 (,9:%5
;=…….....cm
/=..............cm
t=..............cm
1
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Normas americanas: "/&-/" %&I
6.- %cero %37
"eterminar el espesor 4e la sol4a4ura t*………cm
Examen Estructuras Metálicas Semestre: I-2012 Nombre:……………………………………………..Grupo:………ec!a:………… "atos: #ormin #21 %cero: &%'0. &)*300+p,m 2 &)t: 1'0+p,m2
Normas americanas: "/&-/" - %IS& %&I 2 &aras.- &M * ...............+p,m &onsi4ere: osa piso mosaico mortero tabi8uer9a cielo also 4e 1'+pm 2 * ;'0+p,m 3 1.-(eriicar 1.-(eriicar )iuetas 10x20x1cm: 8*…………+p,cm
8$*…………+p,cm <= ….>
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3.-(eriicar 3.-(eriicar coluna central 4e @ABC17?/'0
A*...............+p
A$* ............=p
<=..>
D.- /un4acin /un4acin con con pilotes.- Ailotes 4e A*3' n. 4e capaci4a4 "*3' cm *12m "etermine el numero 4e pilotes pilotes para la columna central B2 en AB N*……….pilotes
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Examen
Estructuras Metálicas
Semestre: 2-2012
Nombre:……………………………………………..Grupo:………ec!a:………… 1.- E4iicio para aulas.- establecer caras )eriicar )iuetas: (eriica: Si o No bC Establecer capaci4a4 para )iuetas en colaboracin
8c* …………….+p,cm
aC.-(eriicar aC.-(eriicar )iuetas 10x20x1cm: &ara muerta: &M*…………+p,cm2 &ara muerta lineal: *……………+p,cm &ara )i)a &(* 300 +p,cm &ara 4e 4iseFo Ix*……….cmD
&4 * 1.2&m 1.7&)
&ara )i)a lineal
p * …………...=p,cm
8u * ………….+p,cm Hx*………cm3
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Examen inal
Estructuras Metálicas
%GM
Santa &ruJ 4e la Sierra
Nombre:……………………………………………..Grupo:………ec!a:………… 1.-&oliseo: Establecer caras 4iaramar sobre la estructura para intro4ucen en el prorama 4e cálculo. &aras para larueros ra4er9as en +p,ml. (iento (iento cara sobre 2 2 losa como presin. &M*10+p,m calamina N$27 &)t* 30+p,m (iento: )*12'+m,! Muros 4e la4rillo a4obito 1'cm #ormin #21
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Examen inal
Estructuras Metálicas
Semestre: 2-2012
Nombre:……………………………………………..Grupo:………ec!a:………… 1.-4einir: imite 4e luKncia @/C:……………………………………………………… 2.-"einir: ELe neutro plástico.ENA:……………………………………………………… 3.- "etermine el m4ulo m4ulo plástico 4e las siuientes secciones: b*2cm !*10cm
D.- "etermine el 4iámetro 4el perno perno para la unin 4e la i D. a* 3000+p "*……..cm
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'.- "etermine la cara A*…………+p
nin con sol4a4ura i.'
Electro4o E013 %cero %37 %37 espesor 4e placa espesor 4e sol4a4ura tO*1cm 7.- an8ue an8ue ele)a4o 4e 20000lts
Examen inal
Estructuras Metálicas
Semestre: 2-2012
Nombre:……………………………………………..Grupo:………ec!a:………… 1.-"einir: ELe neutro plástico.....................
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<> P?CI@ >º (
>om!re………………………………………………………Arupo……………
:ecBa…………
1.- ;etermine la carga P 'ue se puede aplicar a la unión de la &igura. C=5.4P C=5.,P Dtodo ;:C?
:ig.( 2.-Pórtico iga arriostrada lateralmente 3,E Hormigón H+(
C=5.4'
C=5.,' Dtodo ;:C?
:ig.+ Estructura 6 iga F columnas de (5x35x5.2cm. Gnculos6 mpotrado articulado. 3, ;eterminar la capacidad de carga de la estructura.
Propiedades de la sección6
Zx= ……….......cm ………....... cm 3
I =……….......cm4
Capacidad de de la viga.- '= .................)ps*cm. IncluFe su peso propio propio
rF =…………..cm
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2–3 UNIONES
:ig. +
:ig 3
# i6 C = 5.4P C=5.,5P Dtodo ;:C? 2- Unión con soldadura :ig. +6 #i6 a = %cm !=(+cm c = (+cm Placa6 3, t=(.+cm #oldadura6 ,5(5 :=:u=4+55)p*cm + ;eterminar.- spesor de soldadura
t = ............ ...... ........cm ..cm
!=(+c m a=(+cm c=(+cm 3.- Unión com pernos :igura 36 #i6 !=(+cm Pernos6 ;= KJ 3+% A(E :u = 2+%5)p*cm+ Placa 3,.
Placa6 t=(*+J
Calcular P= …………………...)ps si6 C = 5.4P F C=5.,5P Dtodo ;:C?
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<> P?CI@ II LP#
>om!re……………………………………………… …….. ……:ecBa…………
Pórtico.-;atos. cero 3,E Hormigón H+(
C=5.4'
C=5.,' Dtodo ;:C? - I#C
:ig.( ;eterminar la carga ' ")p*cm$ aplica!le a la viga 9: de la &igura en &unción de la resistencia de la viga F las capacidad desarrollada por las columnas. Per&il laminado (+9:++ F columna de celosGa como se muestra en la &igura.
.
Ma!la de per&iles laminados mericanos Lnidades Inglesas % 4 tR b t + Ix ?x rx
4x?/lb,pie 12?/'; 12?/3' 12?/22 12?/1D
1.00 10.30 7.;0 D.17
12.16 12.'0 12.31 11.61
0.3D 0.30 0.27 0.20
10.01 7.'7 D.03 3.6
0.7D 0.'2 0.D2 0.22
(.- Capacidad de la viga. (+9:++
1.3; 1.00 0.; 0.7;
D' 2;' 1'7 ;6
; D7 2'.D0 1D.60
'.2; '.2' D.61 D.72
I
?
r
Hx
H
10 2' D.77 2.37
21.D0 .'0 2.31 1.16
2.'1 1.'D 0.;D 0.'
;7 '1 26.30 1.D0
33 11.' 3.77 1.60
'= .................)ps*cm. Gnculos6 &i7o - articulado &i7o
+.- Capacidad de la columna (+9:++. Gnculos6 mpotrado - articulado 2 Fcr 0.7'; c Fy
Aara
c 1.'0
Fcr
Q
0.;:: @ cC 2
P Fy
1.'0 A * Au * /cr % %
P( =----------------)p
3.- Capacidad de la columna de celosGa
Por elementos P +=………………)p
para c
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Examen Estructuras Metálicas Semestre: I-2012 Nombre:……………………………………………..Grupo:………ec!a:………… "atos: #ormin #21 %cero:&%'0. (iento:)*130+m,! &)*300+p,m 2 &)t:* 1'0+p,m2
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Por &lexión ' 3=………)p*cm Por de&ormación ' 4=………..)p*cm
Examen Estructuras Metálicas Semestre: I-2012 Nombre:……………………………………………..Grupo:………ec!a:………… "atos: #ormin #21 %cero: &%'0. &)*300+p,m 2 &)t: 1'0+p,m2
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'.- Se 4ispone 4e una bobina con "e* 1m 4iámetro 4iámetro interior "i* 0.20m el espesor 4e la placa es: t*032cm. onitu4 onitu4 4e planc!a: planc!a: *…………..m Se re8uiere abricar larueros cortan4o el anc!o en cuatro partes 8ue altura 4e 4e larueros se obten4rá obten4rá 4imensiones 4imensiones re8ueri4as son !x'x1.2x0.32cm !x'x1.2x0.32cm !*……….cm Examen Estructuras Metálicas Semestre: I-2012 Nombre:……………………………………………..Grupo:………ec!a:…………
'.- Se 4ispone 4e una bobina con "e* 0.;0m 4iámetro interior "i* 0.20m el espesor 4e la placa es: t*032cm. onitu4 onitu4 4e planc!a: planc!a: *…………..m Se re8uiere abricar larueros cortan4o el anc!o en cuatro partes 8ue altura 4e 4e larueros se obten4rá 4imensiones re8ueri4as son !x'.0x1.20x0.32cm !x'.0x1.20x0.32cm !*……….cm
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Examen
Estructuras Metálicas
Semestre: I-2012
Nombre:……………………………………………..Grupo:………ec!a:………… 1.-"eterminar la capaci4a4 4e la estructura: (9nculos articula4os &olumna metálica
2.-&uantiicar:
*Dm
&1 -……………+ps
&olumna 4e ma4era: Grupo%
&2*…………….p2
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Ma4era: &2*…………….p2
&uantiicar: %cero &1 -……………+ps #ormin
&3*----------m3
eLa colonial
&D* …………AJas