Column and beam size for G+0, G+1, G+2, G+3 and G+4 building | Column and beam size for G+0 building | Column and beam size for G+1 building | Column and beam size for G+2 building | Column and beam size for G+3 building | Column and beam size for G+4 building.

Actual size of column and beam in residential house is decided according to design structure by architectural engineer, it’s depends on all type of load acting on a structure, length of span between two support, how tall is building, whether it is a public building, Hospital a school or residential building.

**◆You Can Follow me on Facebook and Subscribe our Youtube Channel**

**You should also visits:-**

**1)what is concrete and its types and properties**

**2) concrete quantity calculation for staircase and its formula**

In this article we know about average size of column and beam required for any residential building containing 1st floor, 2nd floor, 3rd floor, 4th floor and 5th floor by using thumb rule.

Strength of a structure depending on the type of Steel grade used, type of grade of concrete, diameter of Steel used and alignment of column. We can reduce the size of a structure by providing higher grade of concrete with higher grade of Steel.

**Column and beam size for G+0 building**

As a general thumb rule, the standard size of column for a** G+0**/1-storey/1-floor/ground floor residential building is at least **9 × 9** in inches, or **230 × 230** in mm, or **23 × 23** in cm, or **0.23 × 0.23** in meter, or **0.75 × 0.75** in feet.

**Typically,** the standard **beam** size for a **G+0/1** **storey/1** **floor/ground floor residential** building is at least **9″** **x** **9″** (or **230 × 230 mm, or 23 × 23 cm, or 0.75 × 0.75 feet).**

In general, the standard column size for a G+0/1-story/1-floor residential building is at least 9″ × 9″, and the standard beam size is at least 9″ × 9″.

A typical 9″×9″ column for G+0 building provided with minimum 4 bars of 12mm of Fe500 Steel with M20 grade of concrete and T8 @ 6″C/C stirrups. It is used in normal residential buildings with a span of 3–5 m and standard walls with a thickness of 5 inches.

**Column and beam size for G+1 building**

As a general thumb rule, the standard size of column for a** G+1**/2-storey/2-floor residential building is at least **9 × 12** in inches, or **230 × 300** in mm, or **23 × 30** in cm, or **0.23 × 0.3** in meter, or **0.75 × 1** in feet.

**Typically,** the standard **beam** size for a **G+1/2** **storey/2** **floor residential **building is at least **9″** **x** **9″** (or **230 × 230 mm, or 23 × 23 cm, or 0.75 × 0.75 feet).**

In general, the standard column size for a G+1/2-story/2-floor residential building is at least 9″ × 12″, and the standard beam size is at least 9″ × 9″.

**Column and beam size for G+2 building**

As a general thumb rule, the standard size of column for a** G+2**/3-storey/3-floor residential building is at least **12 × 12** in inches, or **300 × 300** in mm, or **30 × 30** in cm, or **0.3 × 0.3** in meter, or 1** × 1** in feet.

**Typically,** the standard **beam** size for a **G+2/3** **storey/3** **floor residential **building is at least **9″** **x** **12″** (or **230 × 300 mm, or 23 × 30 cm, or 0.75 × 1 feet, or 0.23 × 0.3 meters).**

In general, the standard column size for a G+2/3-story/3-floor residential building is at least 12″ × 12″, and the standard beam size is at least 9″ × 12″.

It will provided with minimum 6 bars contain combination of 16mm & 12mm of Fe500 Steel with m20 grade of concrete and stirrups of T8@6″C/C.

**Column and beam size for G+3 building**

As a general thumb rule, the standard size of column for a** G+3**/4-storey/4-floor residential building is at least **12 × 15** in inches, or **300 × 380** in mm, or **30 × 38** in cm, or **0.3 × 0.38** in meter, or 1** × 1.25** in feet.

**Typically,** the standard **beam** size for a **G+3/4** **storey/4** **floor residential **building is at least **12****“** **x** **12″** (or 30**0 × 300 mm, or 30 × 30 cm, or 1 × 1 feet, or 0.3 × 0.3 meters).**

In general, the standard column size for a G+3/4-story/4-floor residential building is at least 12″ × 15″, and the standard beam size is at least 12″ × 12″.

It will provided with minimum 8 bars contain combination of 16mm & 12mm of Fe500 Steel with M20 grade of concrete and stirrups of T10 @ 6″C/C.

**◆You Can Follow me on Facebook and**

**Subscribe our Youtube Channel**

**Column and beam size for G+4 building**

As a general thumb rule, the standard size of column for a** G+4**/5-storey/5-floor residential building is at least **12 × 18** in inches, or **300 × 450** in mm, or **30 × 45** in cm, or **0.3 × 0.45** in meter, or **1 × 1.5** in feet.

**Typically,** the standard **beam** size for a **G+4/5** **storey/5** **floor residential **building is at least **12****“** **x** **15″** (or 30**0 × 380 mm, or 30 × 38 cm, or 1 × 1.25 feet, or 0.30 × 0.38 meters).**

In general, the standard column size for a G+4/5-story/5-floor residential building is at least 12″ × 15″, and the standard beam size is at least 12″ × 15″.

**Column size for G+5 building**

As a general thumb rule, the standard size of column for a** G+5**/6-storey/6-floor residential building is at least **15 × 18** in inches, or **380 × 450** in mm, or **38 × 45** in cm, or **0.38 × 0.45** in meter, or **1.25 × 1.5** in feet.

**Column size for G+6 building**

As a general thumb rule, the standard size of column for a** G+6**/7-storey/7-floor residential building is at least **18 × 18** in inches, or **450 × 450** in mm, or **45 × 45** in cm, or **0.45 × 0.45** in meter, or **1.5 × 1.5** in feet.

**Column size for G+7 building**

As a general thumb rule, the standard size of column for a** G+7**/8-storey/8-floor residential building is at least **21 × 21** in inches, or 53**0 × 530** in mm, or 53** × 53** in cm, or **0.53 × 0.53** in meter, or **1.75 × 1.75** in feet.

**Column size for G+8 building**

As a general thumb rule, the standard size of column for a** G+8**/9-storey/9-floor residential building is at least **24 × 24** in inches, or **600 × 600** in mm, or **60 × 60** in cm, or **0.6 × 0.6** in meter, or **2 × 2** in feet.

**Column size for G+9 building**

As a general thumb rule, the standard size of column for a** G+9**/10-storey/10-floor residential building is at least **28 × 28** in inches, or **700 × 700** in mm, or **70 × 70** in cm, or **0.7 × 0.7** in meter, or **2.33 × 2.33** in feet.

**Conclusions:-**

In general, the standard column size for a G+2/3-story/3-floor residential building is at least 12″ × 12″, and the standard beam size is at least 9″ × 12″.