Table of Contents
How thick are columns in a building?
Round concrete columns should be 9 inch diameter, minimum, and square concrete columns should be 8 inches by 8 inches, minimum. Multistory houses or large concentrated loads require larger columns. Columns may buckle if they are too slender.
How wide should a column be?
Column width is traditionally called measure by typesetters. For best legibility, typographic manuals suggest that columns should be wide enough to contain roughly 60 characters per line.
How do I create a column size?
According to column design and Thumb Rule, minimum column size for 5m span is 230mm×230mm (9″×9″) for 1 storey/single floor/ground floor/(G+0) residential building using M20 grade of concrete ratio (1:1.5:3) with Fe500 grade of steel when axial load 310kN is applied on each column.
What size column should I use for a one story building?
If you use M15 concrete for one and half story structure the column size should not be less than 12”x9”.
What size concrete do I need for a column?
First Of all, there is no standard size of columns. If 9”x9” columns are to be used in one and half story building, always use M20 (1:1.5:3) concrete. If you use M15 concrete for one and half story structure the column size should not be less than 12”x9”.
What is the size of an RCC column?
Hope above information shall be of help to the user. For this general thumb rule, we will assume a structure of G+2 (3 storey) residential building, using standard 5″ walls, size of an RCC column should be 12”x 12” (300mm x 300mm) with 6 bars of 12mm Fe500 Steel with m20 grade of concrete and stirrups of T8@6″C/C.
Can a 3 story building be built without RCC columns?
In fact 3 story building can be made without RCC columns as load bearing building with 23cm thick walls and spread footings 69 cm wide of depth 1m. Without any columns for a sustainable life of 30–35 yrs. However, still if you want to provide columns go for 23 x 23 cm with RCC of 1:2:4.