File Lecture7_Slides.pdf - Mechanics of Solids Lecture 7 by...

Info iconThis preview shows pages 1–19. Sign up to view the full content.

View Full Document Right Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: Mechanics of Solids Lecture 7 by Dr Emre Erkmen Lecturer, School of Civil and Environmental Engineering, The University of Technology Sydney Office: 2.520 Phone:9514 9769 Email: emre.erkmen@uts.edu.au Lecture hours: Fridays 9:00-12:00 Office hours: Wednesdays 10:00-12:00 1 Mechanics of Solids - Lecture 7 Outline Outline- Revision of the subjects covered in the exam- Slope and deflection of beams 2 Mechanics of Solids - Lecture 7 Announcement Midterm Exam Autumn 2011 Wednesday, 20 th April 3 Start/End time:9:00-12:10 Mechanics of Solids - Lecture 7 Formula sheet Hookes Law for axial stress-strain Hookes Law for shear stress-strain E = G = Generalized Hookes Law y x z x E E E = y x z y E E E = y x z z E E E = Deflection of a rod of span L under axial load ( ) L P x dx = Axial stress under axial load N A = Axial stress under bending moment M y I = Moment of inertia of the rectangle (about the z axis) 3 z bh I = y 4 ( ) EA x Deflection of a uniform rod of span L under uniform load PL EA = Thermal expansion of a uniform rod of span L T TL = 12 zz z Shear stress Shear flow VQ I b = VQ q I = Mechanics of Solids - Lecture 7 Revision of exam questions-Question 1 (a) 5 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 1 (a) 6 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 1 (a) 7 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 1 (b) 8 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 1 (b) 9 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 1 (b) B 10 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 1 (b) 11 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 2 12 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 2 (a) 13 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 2 (b) 14 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 2 (b) 15 Mechanics of Solids - Lecture 7 Revision of exam questions-Question 3 16 Mechanics of Solids - Lecture 7 Question 3 Total 12 Marks Determine the stress in the brass and the aluminium plates From equilibrium P b + P a =450 P b =450- P a 17 From compatibility P brass aluminium b a = = Mechanics of Solids - Lecture 7 Question 3 Deflection at each component can be written as 2 3 3 10 40 60 105 10 b b P = 2 3 3 10 2 10 60 70 10 a a P = rom compatibility nd equilibrium = 50 18 ( ) 3 2 2 3 3 450 10 3 10 3 10 40 60 105 10...
View Full Document

Page1 / 82

File Lecture7_Slides.pdf - Mechanics of Solids Lecture 7 by...

This preview shows document pages 1 - 19. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online