A column in the upper story of a building is subjected to a compressive load from the following sources: Dead Load = 308kN Occupancy Live Load= 170kN Roof Live Load=187kN Wind Load=197kN a. If load and resistance factor design it to be used, determine the factored load (required strength) to be used in the design of the column. Which NSCP load combination controls? b. What is the required design strength of the column? c. What is the required nominal strength of the column for a resistance factor of 0.90? d. If allowable strength design used, determine the required load capacity (required strength) to be used in the design. Which NSCP load combination controls? e. What is the required nominal strength of the column for a safety factor of 1.67?

A column in the upper story of a building is subjected to a compressive load from the following sources: Dead Load = 308kN Occupancy Live Load= 170kN Roof Live Load=187kN Wind Load=197kN a. If load and resistance factor design it to be used, determine the factored load (required strength) to be used in the design of the column. Which NSCP load combination controls? b. What is the required design strength of the column? c. What is the required nominal strength of the column for a resistance factor of 0.90? d. If allowable strength design used, determine the required load capacity (required strength) to be used in the design. Which NSCP load combination controls? e. What is the required nominal strength of the column for a safety factor of 1.67?

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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Question

Pls answer the letter E Steel design

A column in the upper story of a building is subjected to
a compressive load from the following sources:
Dead Load = 308kN
Occupancy Live Load= 170kN
Roof Live Load= 187kN
Wind Load=197kN
a. If load and resistance factor design it to be used,
determine the factored load (required strength) to be
used in the design of the column. Which NSCP load
combination controls?
b. What is the required design strength of the column?
c. What is the required nominal strength of the column
for a resistance factor of 0.90?
d. If allowable strength design used, determine the
required load capacity (required strength) to be used in
the design. Which NSCP load combination controls?
e. What is the required nominal strength of the column
for a safety factor of 1.67?

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Step 2: a) Determine factored load based on LRFD as per NSCP

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Step 3: b) Calculate required design strength of column

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Step 4: e) Calculate required nominal strength of column

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