**Problem 30**An A992 W21×111 is used as a column in a building to support a dead load of 120 kips and a live load of 300 kips. The column effective length is 22 ft for the y-axis and 33 ft for the x-axis. Determine whether the column will support the load by (a) LRFD and (b) ASD.**Explanation:**- **A992 W21×111**: This refers to a structural steel wide-flange shape. The numbers denote its nominal size and weight.- **Dead Load**: Constant, permanent load; 120 kips in this problem.- **Live Load**: Temporary or changing load; 300 kips here.- **Effective Lengths**: - 22 ft for the y-axis - 33 ft for the x-axis**Objective**: Analyze if the column can support the specified loads using:- **Load and Resistance Factor Design (LRFD)**- **Allowable Stress Design (ASD)**No graphs or diagrams are included with this problem.

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30. An A992 W21×111 is used as a column in a building to support a dead load of 120 kips and a live load of 300 kips. The column effective length is 22 ft for the y-axis and 33 ft for the x-axis. Determine whether the column will support the load by (a) LRFD and (b) ASD.

30. An A992 W21×111 is used as a column in a building to support a dead load of 120 kips and a live load of 300 kips. The column effective length is 22 ft for the y-axis and 33 ft for the x-axis. Determine whether the column will support the load by (a) LRFD and (b) ASD.

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

**Problem 30**

An A992 W21×111 is used as a column in a building to support a dead load of 120 kips and a live load of 300 kips. The column effective length is 22 ft for the y-axis and 33 ft for the x-axis. Determine whether the column will support the load by (a) LRFD and (b) ASD.

**Explanation:**

- **A992 W21×111**: This refers to a structural steel wide-flange shape. The numbers denote its nominal size and weight.
- **Dead Load**: Constant, permanent load; 120 kips in this problem.
- **Live Load**: Temporary or changing load; 300 kips here.
- **Effective Lengths**:
- 22 ft for the y-axis
- 33 ft for the x-axis

**Objective**: Analyze if the column can support the specified loads using:
- **Load and Resistance Factor Design (LRFD)**
- **Allowable Stress Design (ASD)**

No graphs or diagrams are included with this problem.

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