# How To Calculate Load Bearing Capacity Of I Beam

## Introduction

I beams are one of the most commonly used structural steel components used in construction of various types of buildings and structures. They are used in beams, columns, trusses, joists, lintels, and other structural elements. I beams provide great strength and rigidity to the overall structure and are used in a variety of sizes and shapes. Calculating the load bearing capacity of I beams is essential for designing and understanding the strength of the structural elements that they form. This article will discuss how to calculate the load bearing capacity of I beams.

## Steps To Calculate Load Bearing Capacity of I Beam

The load bearing capacity of I beams can be calculated using a few simple steps. The calculation is based on the following parameters:

• The width of the I beam
• The height of the I beam
• The material of the I beam
• The grade of the I beam

Once these parameters are known, then the load bearing capacity of the I beam can be calculated using the following steps:

### Step 1 – Determine the Material and Grade of the I Beam

The material and grade of the I beam will determine the strength of the beam and thus the ultimate load bearing capacity. The most common materials used for I beams are steel and aluminum, but other materials such as wood, concrete, and fiberglass can also be used for some applications. The grade of the I beam will also determine the strength of the beam and thus its load bearing capacity.

### Step 2 – Determine the Width and Height of the I Beam

The width and height of the I beam will also affect its load bearing capacity. The width of the beam should be chosen based on the load it will be bearing, while the height should be chosen based on the strength of the material used for the beam. The width and height of the I beam should be chosen in accordance with the structural design of the building or structure.

### Step 3 – Calculate the Load Bearing Capacity of the I Beam

Once the material, grade, width, and height of the I beam have been determined, then the load bearing capacity of the I beam can be calculated using the following formula:

Load Bearing Capacity = Width x Height x Material Strength Factor x Grade Factor

### Step 4 – Calculate the Ultimate Load Bearing Capacity

The ultimate load bearing capacity of the I beam can be calculated by multiplying the load bearing capacity determined from the formula by a safety factor. The safety factor should be chosen depending on the type of structure and the criticality of the I beam. Generally, a safety factor of 1.25 or higher is recommended for load bearing I beams.

## Conclusion

Calculating the load bearing capacity of I beams is essential for designing and understanding the strength of the structural elements that they form. By following the steps outlined above, the load bearing capacity of I beams can be calculated with relative ease. It is important to note that the safety factor should be taken into consideration when calculating the ultimate load bearing capacity of the I beam, as this will ensure the structural integrity of the structure.