Table of Contents
What should be the size of column for 3 storey house?
Column size for 3 storey (G+2) building:- 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.
Which mm bar is used in a column of a 3 story building?
According to general thumb rule, we will assume a structure of G+2/3 storey/three floor residential building, using standard 9″ thick walls, the best mm bar used for 3 storey/G+2 building, we should use steel bar of 12mm dia for footing, combination of 12mm & 16mm dia of steel bar used for column, 12mm dia of steel bar …
What is the foundation depth of a pillar in a 3 storey building?
Footing depth for 3 storey (G+2) building:- for 3 storey (G+2) house or in simple 3 floor building, general thumb rule, using standard 9″ thick walls, we recommended to use depth of footing minimum 5′ (1.5m) beneath the ground level for isolated footing shallow foundation in gravel and sand soil with higher bearing …
How far should columns be apart?
Generally, columns are spaced apart at 40 feet, 50 feet, or some other similar measurement. Architects and structural engineers habitually use these lengths in designing building configurations because steel mills generally produce structural members in these lengths.
What is the maximum height through which concrete can be poured?
As per IS code 456:2000, the maximum height for pouring of concrete without segregation is 1.5 m.
Can we use 8mm bar in slab?
As per IS 456:2000, in rcc slab, minimum diameter of main bar should not be less than 8mm (highly yield strength deform bar HYSD) or 10mm (plain bar) and distribution bar should not less than 8mm.
What grade of concrete should I use for my column?
I always use M20 grade concrete for construction, as it is the minimum recommended grade of concrete is IS 456:2000. Please don’t skimp on the quality of concrete. The minimum steel in a 9″ x 9″ column is 4 bars of 12 MM with stirrups of 8 MM steel rings at a distance of 150 MM centre to centre.
What is the minimum size of a column in a building?
The minimum size of a column should not be less than 9”x9” for single story structure with M15 (1:2:4) concrete. If 9”x9” columns are to be used in one and half story building, always use M20 (1:1.5:3) concrete.
What is the size of a column in M15 concrete?
If you use M15 concrete for one and half story structure the column size should not be less than 12”x9”. Try to maintain equal distance between the centers of two columns. Always plan a column layout on a grid. The distance between two columns of size 9”x9” should not be more than 4m centre to centre of column.
What size concrete do I need for a 9×9 column?
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”. Try to maintain equal distance between the centers of two columns. Always plan a column layout on a grid.