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 ـoors in a structure. Slabs and beams transfer the
stresses to the columns. So, it is important to design strong columns.
basis of classiÒcation of columns and di×erent types of
reinforcement required for a certain type of column.
A column may be classiÒed based on di×erent
criteria such as:
1. Based on shape
Rectangle
Square
Circular
Polygon
2. Based on slenderness ratio
The ratio of the e×ective 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 column
Please Click Below For Download file EXCEL