A four story "intermediate reinforced concrete moment frames" supports seismic weights of1400 kip on each floor and 500 kip on the roof. The natural (fundamental) period of thisframe as T-0.6 sec. Based on ASCE 7-16 procedures, the base shear this frame must resistin an earthquake is V-846 kip14 ft14 ft14 ft14 ftAA77777777777w=500 kipw=1400 kipw=1400 kipw=1400 kip77771. Based on the natural period, linearly interpolate the value of k that should be used forthe equivalent lateral force method.2. Using your interpolated value of k and the base shear, compute the vertical distributionof lateral loads.3. Draw an elevation of the frame showing the lateral loads applied to each floor and theroof.4. Assuming k-2, compute the vertical distribution of lateral loads.5. Draw an elevation of the frame showing the lateral loads applied to each floor and theroof when k=2.

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A four story "intermediate reinforced concrete moment frames" supports seismic weights of 1400 kip on each floor and 500 kip on the roof. The natural (fundamental) period of this frame as T=0.6 sec. Based on ASCE 7-16 procedures, the base shear this frame must resist in an earthquake is V=846 kip

A four story "intermediate reinforced concrete moment frames" supports seismic weights of 1400 kip on each floor and 500 kip on the roof. The natural (fundamental) period of this frame as T=0.6 sec. Based on ASCE 7-16 procedures, the base shear this frame must resist in an earthquake is V=846 kip

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

Steel Framing

A steel frame consists of a skeleton frame structure comprising of horizontal I-beams and vertical steel columns fitted in a rectangular grid building construction to brace the floors, walls, and the roof of the building held onto the frame. Due to the implementation of this methodology, the construction of the skyscrapers was feasible.

Question

A four story "intermediate reinforced concrete moment frames" supports seismic weights of
1400 kip on each floor and 500 kip on the roof. The natural (fundamental) period of this
frame as T-0.6 sec. Based on ASCE 7-16 procedures, the base shear this frame must resist
in an earthquake is V-846 kip
14 ft
14 ft
14 ft
14 ft
A
A
7777
7777
777
w=500 kip
w=1400 kip
w=1400 kip
w=1400 kip
7777
1. Based on the natural period, linearly interpolate the value of k that should be used for
the equivalent lateral force method.
2. Using your interpolated value of k and the base shear, compute the vertical distribution
of lateral loads.
3. Draw an elevation of the frame showing the lateral loads applied to each floor and the
roof.
4. Assuming k-2, compute the vertical distribution of lateral loads.
5. Draw an elevation of the frame showing the lateral loads applied to each floor and the
roof when k=2.

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Step 1: Introduce the problem statement

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Step 2: Determine value of 'k' by linear interpolation

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Step 3: Compute vertical distribution of lateral loads

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Step 4: Plot vertical distribution of lateral loads

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Step 5: Compute vertical distribution of lateral loads for k=2

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Step 6: Plot vertical distribution of lateral loads for k=2

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