What is the best size of deformed bar suitable for columns of a residential house?

For columns footings, the minimum reinforcement should be ½” diameter bars at 6″ centres in both directions forming a 6″ mesh. Reinforcement in the foundation is needed to ensure the continuity of the structure.

What is the minimum size of column for 3 storey building?

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.

Can you use 12mm and 10mm rod in column and beam in a two story house?

Iron rod size for 2 storey (G+1) building:– According to general thumb rule, we will assume a structure of G+1 (2 storey) residential building,using standard 9″ thick walls,we should use iron rod size of 10mm as mesh bar for footing, 6nos of 12mm size used for column, 4nos of 12mm size used for beam and 10mm & 8mm iron …

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 size column do I need?

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. If you use M15 concrete for one and half story structure the column size should not be less than 12”x9”.

How do you count house stories?

Stories is the total number of distinct above earth floors a building has. If you refer to an individual level it starts at the ground floor, then 1st floor, 2nd etc. In the US the UK ground floor is the 1st floor. I haven’t heard a UK 1st floor referred to as the 2nd story.

What should be the maximum distance between two columns?

The maximum spacing among two columns is 7.5 meter or 24 feet. (Since 1 meter is similar to 3.28084 feet). The minimum spacing among two columns is 2 to 3 meter or 5 to 7 feet. It is utilized in lift wall, shaft wall or providing free space to large barrier.

Which is the best iron for house construction?

TMT Steel or TMX steel is the best bet for house construction. They are the latest generation of reinforcement steel (high-strength and ductile than their predecessors) . They are graded as Fe415, Fe500, Fe500D, Fe550 i.e. yield strength of 415, 500 and 550 N/ sq mm respectively .

What is the standard size of beam for 3 storey house?

Plinth beam size for 3 storey (G+2) house:- for 3 storey (G+2) house or in simple 3 floor building, general thumb rule, using standard 9″ thick walls, size of Plinth beam should be 9”x 12” (230mm x 300mm) provided with 2 nos of 12mm bar at top, 3 nos of 12mm bar at bottom of Fe500 Steel with m20 grade of concrete and …

Which mm rod is best for roof?

For Roof slabs, 8 mm, Iomm, 12mm bars are used according to the Load, span of the roof slab and also it’s design factors. 6mm size is used as distribution bars. For Concreting 1:2:4 (150 grade) mix. is suitable, ie.

Which slab thickness is minimum?

Minimum thickness should not be less than 4.75 inches not forgetting the factor of safety. Standard concrete floor slab thickness in residential construction is 4 inches, five to six inches is recommended if the concrete will receive occasional heavy loads, such as mortar homes or garbage trucks.

How much does it cost to build a 5-story apartment building?

Assuming 4 units per floor, this would have a cost of between $4.5 and $5.5 million to complete. 5-story buildings have a higher cost range than 4 stories, with added units, materials, and construction fees.

What size Foundation do I need for a 1 storey building?

Foundation size for 1 storey (G+0) building:- for 1 storey (G+0) house or in simple ground floor building, general thumb rule, using standard 9″ thick walls, we recommended minimum size of Foundation for footing should be 3.5’× 3.5’× 3.5′ (1m x 1m×1m) in respect to length, breadth and depth.

What are the minimum safe standards for the reinforcing bars?

We will also discuss the minimum safe standards for the reinforcing bars that are to be used for the design of the above mentioned Structural Components. Minimum cross-sectional dimension for a Column:is  9″x 12″ (225 MM x 300 MM) which is the minimum recommended size.

What size footings do I need to build a two-story building?

Two-story buildings require a minimum of 15-inch wide footings for 1,500 LBV soil. For 2,000 LBV soil or greater, two-story buildings may have 12-inch minimum wide footings.