Answered: A w kN/m B CI Lm- £1m- Lm- £1m-

Engineering

Civil Engineering

A w kN/m B CI Lm- £1m- Lm- £1m-

Fundamentals Of Construction Estimating

4th Edition

ISBN:9781337399395

Author:Pratt, David J.

Publisher:Pratt, David J.

Chapter9: Pricing Construction Equipment

Section: Chapter Questions

Problem 6RQ

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Question

100%

a) Calculate the BMs (bending moments) at all the joints of the beam shown in Figure below using the moment distribution method. The beam is subjected to an UDL of w kN/m. L1= 0.4L. Assume the support at C is pinned, and A and B are roller supports. E = 200 GPa, I = 250x10^6 mm4. Use the values of w and L as 50kN/m and 5m respectively.

b) Draw the shear force and bending diagrams for the entire beam.

c) Calculate the BMs at all the joints of the same beam shown in Figure using the slope deflection method.

d) Compare the values of BMs obtained using the two methods a) and c) and comment.