**How To Design The Size of Footing As Per Structure Loads**

Structural loads refer to the forces, deformations, or accelerations that act upon a structure and affect its stability and integrity. The **design of a structure** involves analyzing how these loads interact with each other and with the building materials to ensure safety, **durability**, and **functionality**.** How To Design The Size of Footing As Per Structure Loads**

**Types of structural loads**

**Dead Loads**These are the permanent or stationary loads exerted by the structure itself, including the weight of the building materials, walls, floors, roofs, and fixed equipment.**Live Loads**These are variable loads that result from the occupancy of the structure and the weight of movable objects such as people, furniture, vehicles, and stored materials.**Snow Loads**In regions where snowfall occurs, buildings must be designed to withstand the weight of accumulated snow on roofs and other exposed surfaces.**Wind Loads**Buildings are subject to wind forces that vary depending on their location, height, shape, and surrounding terrain. Wind loads can cause lateral forces and overturning moments.**Seismic Loads**Earthquakes generate seismic forces that can shake and deform structures. Seismic loads depend on the location’s seismic activity and the building’s proximity to fault lines.**Temperature Loads**Temperature changes cause expansion and contraction in materials, leading to thermal stresses within the structure.**Soil Loads**Foundations and structures in contact with the ground must support the weight of the structure and resist soil pressures, which can vary depending on soil type and moisture content.**Dynamic Loads**These result from vibrations caused by machinery, equipment, traffic, or other external factors.

Understanding and correctly applying loads are essential in the design and **construction of buildings**, **bridges**, **dams**, and other **infrastructure** to ensure they can safely support their intended use and resist various environmental conditions Engineers use mathematical models and simulations to predict the behavior of structures under different load conditions and design them accordingly.

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**Example**

**Given Data**

Total Structure Load = 10000 KN

Bearing Capacity of Soil = 18000 kg/m²

No of Column = 9

**Solution**

Now we calculate the the area of footing.

Now first Convert Structure Load = KN to KG

**1 KN = 101.97 KG**

Structure Load KG = 100000 x 101.97 = 1019716.01 KG

Area Required For Footing = Total structure Load / Bearing capacity of soil

Area Required For Footing = 1019716.01 / 18000

**Area Required For Footing = 56.65 m²**

Now Calculate the Area of one Footing

Area of one Footing = Area Required For Footing / No. of Columns in Building

Area of one Footing = 56.65 / 9

** Area of one Footing = 6.29 m²**

Area of one Footing = √6.29

**Area of one Footing = 2.51 x 2.51 m**

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