Plotting Shear & Moment Diagrams for a Beam

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SUMMARY

This discussion focuses on plotting shear and moment diagrams for a beam, specifically requiring the establishment of the x-axis with the origin at the left side of the beam. Participants are tasked with deriving the internal shear and moment as functions of x, and subsequently using these results to create the diagrams. The parameters provided include a load of 600 lb, and distances a = 5 ft and b = 7 ft, which are essential for accurate diagram plotting.

PREREQUISITES
  • Understanding of beam mechanics and internal forces
  • Familiarity with shear and moment diagram concepts
  • Basic knowledge of plotting functions in engineering contexts
  • Ability to interpret and manipulate parameters in structural analysis
NEXT STEPS
  • Study the principles of shear and moment calculations in beams
  • Learn how to use software tools like AutoCAD for diagram plotting
  • Explore the use of MATLAB for numerical analysis of beam forces
  • Review examples of beam loading scenarios and their corresponding diagrams
USEFUL FOR

Structural engineers, civil engineering students, and anyone involved in analyzing beam behavior under load will benefit from this discussion.

jd747
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General Information - member warned that the homework template is not optional
(i guess this should be easy, but I'm struggling with this section...) I'd appreciate help!

I'm not quite sure how to do this. I posted the diagram at my web site...the question is also there, but I typed it here just to give you an idea of what it is about. Thanks! The website:

http://www.geocities.com/jessparker502/


For this problem establish the x-axis with the origin at the left side of the beam and obtain the internal shear and moment as a function of x. Use the results to plot the shear and moment diagrams.

Draw the shear and moment diagrams for the beam (a) in terms of the parameters shown; (b) set p = 600lb, a = 5ft, b=7ft
 
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