Column Design with Excel
RCC Column
A column is a very important component in a structure. It is like the legs on which a structure stands. It is designed to resist axial and lateral forces and transfer them safely to the footings in the ground.
Columns support floors in a structure. Slabs and beams transfer the stresses to the columns. So, it is important to design strong columns.
basis of classification of columns and different types of reinforcement required for a certain type of column.
A column may be classified based on different criteria such as:
1. Based on shape
- Rectangle
- Square
- Circular
- Polygon
2. Based on slenderness ratio
The ratio of the effective length of a column to the least radius of gyration of its cross section is called the slenderness ratio.
- Short RCC column, =< 10
- Long RCC column, > 10
- Short Steel column, =<50
- Intermediate Steel column >50 & <200
- Long Steel column >200
3. Based on type of loading
- Axially loaded column
- A column subjected to axial load and unaxial bending
- A column subjected to axial load and biaxial bending
4. Based on pattern of lateral reinforcement
- Tied RCC columns
- Spiral RCC columns
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Source: https://www.onlinecivilforum.com/site/index.php/2016/09/24/column-design-with-excel/