Solution to Problem 612 | Double Integration Method

Problem 612
Compute the midspan value of EI δ for the beam loaded as shown in Fig. P-612.

Simple beam with uniform load


Solution 612

Wesley Odibi
Wesley Odibi's picture

Hello. I noticed that at "midspan x=3", +25(x-4) is missing. I don't know if that is a mistake. Please look into this ASAP. ;)

Jhun Vert
Jhun Vert's picture

The value inside the angled parenthesis is neglected if the value is negative. At x = 3, x - 4 = -1. Since the value is (-), it is excluded in the calculation. The reason is, the force involved in that angled parenthesis do not yet exist to the left of x = 3.

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