Download - Cap. 2 - Deformação
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2004 by Pearson Education1-*TENSES E DEFORMAES IDEFORMAOQuando uma fora aplicada a um corpo, tende a mudar a forma e o tamanho dele. Tais mudanas so denominadas DEFORMAO.PODEM SER VISVEIS OU INVISVEISDE MANEIRA GERAL, A DEFORMAO DO CORPO NO UNIFORME EM TODO SEU VOLUMEMEDIES SO FEITAS ATRAVS DE EXPERIMENTOS
ESTADO PLANO DE DEFORMAES REQUER A ESPECIFICAO DE TRS DEFORMAES NORMAIS E TRS POR CISALHAMENTO
2004 by Pearson Education
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2004 by Pearson Education1-*DEFORMAOA tenso excessiva em materiais frgeis pode provocar sua deformao at a ruptura.
2004 by Pearson Education
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2004 by Pearson Education1-*DEFORMAESPRINCIIS TPICOS:DEFORMAO NORMALDEFORMAO POR CISALHAMENTO
2004 by Pearson Education
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2004 by Pearson Education1-*DEFORMAO NORMALCONCEITO: ALONGAMENTO OU A CONTRAO DE UM SEGMENTO DE RETA POR UNIDADE DE COMPRIMENTO.med = s - s / s
2004 by Pearson Education
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2004 by Pearson Education1-*TENSES E DEFORMAES IDEFORMAO NORMAL:Se for conhecido: s (1 + ).sUnidades:
- Grandeza adimensional- Micrometros por metro- Polegadas por polegadas- Percentual
2004 by Pearson Education
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2004 by Pearson Education1-*DEFORMAESPRINCIIS TPICOS:DEFORMAO NORMALDEFORMAO POR CISALHAMENTO
2004 by Pearson Education
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2004 by Pearson Education1-*DEFORMAO POR CISALHAMENTOCONCEITO: MUDANA DE NGULO OCORRIDA ENTRE DOIS SEGMENTOS DE RETA ORIGINALMENTE PERPENDICULARES ENTRE SI.
2004 by Pearson Education
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2004 by Pearson Education1-*COMPONENTES CARTESIANOS DA DEFORMAOPequeno elementoOBS.: Deformaes normais provocam mudanas de volume do elemento retangular, enquanto deformaes por cisalhamento provocam mudanas no seu formato.
2004 by Pearson Education
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2004 by Pearson Education2-*A haste est submetida a um aumento de temperatura ao longo do eixo, o que cria uma deformao normal na haste de 0,04z^(1/2). Qual o deslocamento da extremidade B da haste devido ao aumento de temperatura? Qual a deformao normal mdia da haste.
2004 by Pearson Education
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2004 by Pearson Education2-*Uma fora que atua no cabo da alavanca provoca uma rotao de = 0,002rad no sentido horrio. Determinar a deformao normal mdia desenvolvida no arame BC.
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*A chapa deformada, ficando com o formato tracejado abaixo. Considerando que as linhas horizontais da chapa permanecem horizontais e no mudam seu comprimento, determinar a deformao mdia ao longo do lado AB e a deformao por cisalhamento mdia da chapa em relao aos eixos x e y.
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education2-*
2004 by Pearson Education
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2004 by Pearson Education1-*Determinar o maior valor de P para as duas foras axiais em E e F de modo que a tenso no colar (C preso ao eixo e localizado a direita do mancal B) no exceda uma tenso de apoio admissvel em C de 75 e que a tenso normal mdia no eixo no exceda um esforo de trao admissvel de 55 MPa.
2004 by Pearson Education
*FG01_00CO.TIF
Notes:the bolts used for the connections of this steel framework are subjected to stress
UFRJ - TENSES E DEFORMAES IUFRJ - TENSES E DEFORMAES I*UFRJ - TENSES E DEFORMAES IUFRJ - TENSES E DEFORMAES I*FG01_00CO.TIF
Notes:the bolts used for the connections of this steel framework are subjected to stress
UFRJ - TENSES E DEFORMAES IUFRJ - TENSES E DEFORMAES I*FG01_01.TIF
Notes:A body can be subjected to several different types ofexternal loads
UFRJ - TENSES E DEFORMAES IUFRJ - TENSES E DEFORMAES I*FG01_00CO.TIF
Notes:the bolts used for the connections of this steel framework are subjected to stress
UFRJ - TENSES E DEFORMAES IUFRJ - TENSES E DEFORMAES I*FG01_00CO.TIF
Notes:the bolts used for the connections of this steel framework are subjected to stress
UFRJ - TENSES E DEFORMAES IUFRJ - TENSES E DEFORMAES I*FG01_01.TIF
Notes:A body can be subjected to several different types ofexternal loads
UFRJ - TENSES E DEFORMAES IUFRJ - TENSES E DEFORMAES I*FG01_00CO.TIF
Notes:the bolts used for the connections of this steel framework are subjected to stress
UFRJ - TENSES E DEFORMAES IUFRJ - TENSES E DEFORMAES I*FG02_04.TIF
Notes:Example 2-1
UFRJ - TENSES E DEFORMAES I*FG02_05a.TIF
Notes:Example 2-2
UFRJ - TENSES E DEFORMAES I*FG02_05b.TIF
Notes:Example 2-2: solution
UFRJ - TENSES E DEFORMAES I*FG02_06a.TIF
Notes:Example 2-3
UFRJ - TENSES E DEFORMAES I*FG02_06b.TIF
Notes:Example 2-3: solution
UFRJ - TENSES E DEFORMAES I*FG02_06c.TIF
Notes:Example 2-3: solution
UFRJ - TENSES E DEFORMAES I*FG02_07a.TIF
Notes:Example 2-4
UFRJ - TENSES E DEFORMAES I*FG02_07b.TIF
Notes:Example 2-4: solution
UFRJ - TENSES E DEFORMAES I*FG02_07-01UNP01.TIF
Notes:Problem 2-01
UFRJ - TENSES E DEFORMAES I*FG02_07-02UNP03.TIF
Notes:Problem 2-03
UFRJ - TENSES E DEFORMAES I*FG02_07-03UNP04_05.TIF
Notes:Problem 2-04/05
UFRJ - TENSES E DEFORMAES I*FG02_07-04UNP06.TIF
Notes:Problem 2-06
UFRJ - TENSES E DEFORMAES I*FG02_07-05UNP07.TIF
Notes:Problem 2-07
UFRJ - TENSES E DEFORMAES I*FG02_07-06UNP08.TIF
Notes:Problem 2-08
UFRJ - TENSES E DEFORMAES I*FG02_07-07UNP09.TIF
Notes:Problem 2-09
UFRJ - TENSES E DEFORMAES I*FG02_07-08UNP10.TIF
Notes:Problem 2-10
UFRJ - TENSES E DEFORMAES I*FG02_07-09UNP11.TIF
Notes:Problem 2-11
UFRJ - TENSES E DEFORMAES I*FG02_07-10UNP12.TIF
Notes:Problem 2-12
UFRJ - TENSES E DEFORMAES I*FG01_34a.TIF
Notes:Example 1-16
UFRJ - TENSES E DEFORMAES I