A platform is supported by two reinforced concrete columns spanning 8m. Both columns are reinforced with two 5cm diameter steel rods but have different diameters of concrete. A force is applied to the platform 3m from the center of the left hand column of 70kN. Material properties: Ec= 30 GPa Es = 200 GPa 3m 8m 777777 5m 777777 5cm 30cm X cm Find the diameter in cm of the right hand column in order for the platform to stay level.

A platform is supported by two reinforced concrete columns spanning 8m. Both columns are reinforced with two 5cm diameter steel rods but have different diameters of concrete. A force is applied to the platform 3m from the center of the left hand column of 70kN. Material properties: Ec= 30 GPa Es = 200 GPa 3m 8m 777777 5m 777777 5cm 30cm X cm Find the diameter in cm of the right hand column in order for the platform to stay level.

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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Concept explainers

Design criteria for structural loading

The different loads such as loads due to self-weight (dead load) and external loads such as live load, wind loads, seismic load, snow load, and other loads and load combinations that influence the design of a building are called structural loading. The nature of the applied load differs from changes in the location, design, and type of materials used. The design criteria require that structures must be designed and constructed to be able to withstand all load types that are expected to act upon the structure and render its usage for the designated purpose. The structural members such as beams, slabs, columns, and foundations help the structure to withstand the applied load. There are different institutes such as ASCE and ACI that provide building design codes to assure minimum safety requirements and quality of the structures.

Question

A platform is supported by two reinforced concrete columns spanning 8m. Both columns are reinforced with two 5cm diameter steel rods but have
different diameters of concrete. A force is applied to the platform 3m from the center of the left hand column of 70kN.
Material properties:
Ec = 30 GPa
Es = 200 GPa
8m
I
k
3m
T
5m
I
5cm
30cm
X cm
Find the diameter in cm of the right hand column in order for the platform to stay level.

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Step 1: Given Data

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Step 2: Load on each column

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Step 3: Column A

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Step 4: Deformation of column A

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Step 5: Column B

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Step 6: Right hand column diameter

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