Download - Concret o Pilar
![Page 1: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/1.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 1/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Concreto Armado 2
Professor : Emanuel de OliveiraVieira
![Page 2: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/2.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 2/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Pilares
Pilares são elementos estruturais lineares de eixoreto, usualmente dispostos na vertical, em que asforças normais de compressão sãopreponderantes e cua função principal ! rece"er
as aç#es atuantes nos diversos n$veis e condu%i&las at! as fundaç#es.
'
![Page 3: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/3.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 3/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
CARGAS NOS PILARES
(as estruturas usuais, compostas por laes, vigase pilares, o camin)o das cargas começa nas laes,que delas vão para as vigas e, em seguida, paraos pilares, que as condu%em at! a fundação.
![Page 4: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/4.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 4/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Dimensões mínimas
*om o o"etivo de evitar um desempen)o inadequado epropiciar "oas condiç#es de execução, a (+-/:0113, no seu item 3.0.3, esta"elece que a seçãotransversal dos pilares, qualquer que sea a sua forma,
não deve apresentar dimensão menor que 2 cm. Emcasos especiais, permite&se a consideração dedimens#es entre 2 cm e 0 cm, desde que nodimensionamento se multipliquem as aç#es por umcoeficiente adicional n, indicado na 4a"ela e
"aseado na equação:γn =1,95−0,05 b5
b ! a menor dimensão da seção transversal do pilar 6emcm7.
![Page 5: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/5.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 5/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Dimensões mínimas
Portanto, o coeficiente n deve maorar os esforçossolicitantes 8nais de c9lculo nos pilares, quando deseu dimensionamento.
4odas as recomendaç#es referentes aos pilares são
v9lidas nos casos em que a maior dimensão daseção transversal não exceda cinco ve%es a menordimensão 6) ;"7. <uando esta condição não forsatisfeita, o pilar deve ser tratado como pilarparede6(+ -/:0113, item /.;7. Em qualquer caso,
não se permite pilar com seção transversal de 9reainferior a 3-1 cm=. Exemplos de seç#es m$nimas:0cm x 31cm, ;cm x 0>cm, /cm x 01cm.
![Page 6: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/6.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 6/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Comprimento
eqi!alente?egundo a (+ -/:0113, item ;.-, ocomprimento equivalente le do pilar, supostovinculado em am"as extremidades, ! o menor dosvalores 6igura 7:
lo ! a distAncia entre as faces internas doselementos estruturais, supostos )ori%ontais, quevinculam o pilarB) ! a altura da seção transversal do pilar, medidano plano da estruturaB
l ! a distAncia entre os eixos dos elementosestruturais aos quais o pilar est9 vinculado.(o caso de pilar engastado na "ase e livre notopo, le C 0l.
![Page 7: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/7.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 7/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Comprimento
eqi!alente
![Page 8: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/8.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 8/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Raio de "ira#$o
![Page 9: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/9.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 9/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
%ndice de esbelte&
![Page 10: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/10.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 10/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Classi'ca#$o qanto (
esbelte&
![Page 11: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/11.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 11/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
)omento mínimo *+,
ordem-
![Page 12: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/12.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 12/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
![Page 13: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/13.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 13/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
E0centricidade inicial
Em estruturas usuais de edif$cios, ocorre ummonolitismo nas ligaç#es entre vigas e pilares
que comp#em os pDrticos. excentricidadeinicial, oriunda das ligaç#es dos pilares com asvigas neles interrompidas, ocorre em pilaresde "orda e de canto.
![Page 14: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/14.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 14/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
'
![Page 15: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/15.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 15/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
![Page 16: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/16.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 16/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
Excentricidade acidental
![Page 17: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/17.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 17/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
![Page 18: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/18.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 18/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
![Page 19: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/19.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 19/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
E0centricidade de 1orma
![Page 20: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/20.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 20/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
Á
![Page 21: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/21.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 21/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
E.CEN/RICIDADES
E0centricidadesplementar
Á
![Page 22: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/22.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 22/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
Á
![Page 23: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/23.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 23/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
![Page 24: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/24.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 24/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
![Page 25: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/25.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 25/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
![Page 26: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/26.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 26/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
![Page 27: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/27.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 27/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
![Page 28: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/28.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 28/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
![Page 29: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/29.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 29/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
![Page 30: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/30.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 30/34
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
![Page 31: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/31.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 31/34
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
Cobrimento das
armadras
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
![Page 32: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/32.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 32/34
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
![Page 33: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/33.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 33/34
F A C U L D A D E P I T Á G O R A S C A M P U S G U A R A P A R I
F A C U L D A D E P I T Á G O R A S – C A M P U S G U A R A P A R I
![Page 34: Concret o Pilar](https://reader031.vdocuments.pub/reader031/viewer/2022021316/55cf885855034664618fa64c/html5/thumbnails/34.jpg)
7/18/2019 Concret o Pilar
http://slidepdf.com/reader/full/concret-o-pilar 34/34