Answered: 3. A 6 m long simply-supported beam is…

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Transcribed Image Text:3. A 6 m long simply-supported beam is pre-stressed as shown in the figure : Neutral axis #50 mm Prestressing cable (straight profile) The beam carries a uniformly distributed load of 6 kN/m over its entire span. If the effective flexural rigidity EI = 2x104 kNm2 and the effective pre-stressing force is 200 kN, the net increase in length of the pre-stressing cable (in mm, up to two decimal places) is?

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