Solving McCauley's Beam Problem: Expert Tips for Success

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Discussion Overview

The discussion revolves around solving McCauley's Beam Problem, focusing on expressions for deflection, displacement, and bending moments. Participants are seeking clarification on their calculations and the necessary equations to support their solutions.

Discussion Character

  • Homework-related
  • Technical explanation
  • Debate/contested

Main Points Raised

  • One participant requests assistance with the problem and shares their solution, which they believe is incorrect due to a lack of necessary equations for deflection and displacement.
  • Another participant points out errors in the resolution of the bending moment equation, suggesting that the length of the distributed load is not properly represented and that certain products are missing from the calculations.
  • A participant expresses confusion regarding the meaning of ymax in relation to total deflection and seeks clarification on the maximum displacement.
  • Some participants indicate a need for specific values or equations related to displacement and deflection to proceed with their solutions.

Areas of Agreement / Disagreement

There is no consensus on the correct approach to the problem, as participants express differing views on the calculations and necessary equations. The discussion remains unresolved with multiple competing perspectives on how to address the problem.

Contextual Notes

Participants have not fully clarified their assumptions regarding the variables involved, and there are unresolved mathematical steps in the proposed solutions.

ShaunG123
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Poster has been reminded to show their work on schoolwork problems
Homework Statement
Using McCauley's to solve a beam problem
Relevant Equations
Beam Calculations
Can you help me answer this question please?
1609296752922.png
 
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Here is the question along with my solution below however I have been told this is wrong and an equation for the defelction and displacement is needed and answers for this along with a bending moment to support.
upload beam.png

beam calc 1.png
beam calc 2 (2).png
beam calc 3 (2).png
 
It seems there are some errors in resolving Mx-x:
The length 5 of the distributed load is not shown (although included in calculation).
The products of 111.75x and -50x are missing.
The correct equation may be:
##M_{x-x}=1032.5-215x##
 
I am really struggling to understand this to be honest is ymax my total deflection if so what would be max displacement
 
This is my attempt however I need to know a value/equation for displacement and deflection.
beam calc 1.png
beam calc 2 (2).png
beam calc 3 (2).png
 

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