CSI ETABS - 18 - Equivalent lateral Force Analysis Method or Equivalent Static Load Method | part 2

In this lecture, Equivalent lateral load Analysis Method or Equivalent Static Load Method is used and then design is also carried out in detail discussed. (PART 2)
DETAILS:
The idea of equivalent lateral force method is to distribute part of the seismic force (base shear) to every floor, which are able to transfer lateral loads.
As a result of this method, the static forces are generated and applied to rigid (or semi-rigid) diaphragms or vertical elements (columns, wall), which can carry calculated forces.
Every code proposes specific limitations of using such method. Most common limitations are structure regularity and its height.
Mass of the storey includes added masses and dynamic masses from converted loads.
Diaphragms assure proportional distribution of seismic loads on vertical elements. Generated force should be applied to the center of mass of the diaphragm . Diaphragm or panel not positioned at the plane of storey top does not carry seismic force.
Distribution of Automatic Seismic Loads at a Story Level:
The method that the program uses to calculate the seismic base shear and the associated story lateral forces is documented separately for each code later in this chapter. After the program has calculated a force for each level based on the automatic seismic load pattern, that force is apportioned to each point at the level elevation in proportion to its mass.
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Very helpful Lecture Thanks Sir

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Appreciation bro

[@andresdavidtorrescarranza1953]

Hi, greetings from Colombia in South America. I would like to know, How can I check column/beam capacity ratios in a intermediate frame in ETABS? . As we know, ETABS just calculates and checks column/beam capacity ratios in special moment resisting frames.
Thank you.

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what the black ,red and pink color means in concrete design

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Rebar or reinforcement intensity

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Very helpful Lecture Thanks Sir