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How to Calculate Column Size for Building?

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Home Renovation
0 2022-06-27T20:05:35+00:00
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Hey, Buildings are constructed with RCC concrete slabs. The columns act as a strength reinforcement in the building. It is necessary to know how to calculate column size for building. Columns, joints, and slabs are a load-bearing structure in the superstructure of the apartment project. Axial loads and lateral columns are constructed according to the number of floors etc.  Keep your options open. Find verified spaces that fit your style, without paying brokerage money only on NoBroker. Calculation : Many technologies offer building column size calculators. This is the same for residential and commercial buildings.  Let's assume the column is a 5metre span for a G+2 building. The column is constructed based on IS code 456:2000.
  • You need to find the minimum clear cover of the column to find the size of the column. 
  • If the size of the column is less than 200mm, then the clear cover should be 25mm.
  • You will need to add the diameter of the column with the dia of Stirrup.
  • I will give an example below :
  • The minimum diameter should be taken as bar 4 nos of 12mm 
  • The minimum area of Steel is 0.8%of Ag
  • The maximum area of Steel=6%of Ag ( Steel should not overlap) 4%of Ag if steel is overlap. 
  • The spacing between two columns should not be more than 300 mm
  • Minimum dia of Stirrup 1/4×16 greater
  • The maximum spacing of the stirrup should be 16D, B and the minimum spacing should be 300mm 
Usually, the building column is 9”x9” for a single-story (G+0) structure with M20 (1:1.5:3) concrete. This is all from the end on how to calculate column size for building. Pay your utility bills online and get assured rewards like cashback. Check out NoBroker Bill Payment Service today. Read more : How does measures detailed measurements of plastering ed of a column    How To Calculate Property Value From Rental Income?    How is maintenance charges for flats calculated?        
0 2023-08-11T19:37:14+00:00
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The weight that the column will sustain, the strength of the concrete, and the requirements of the building code are taken into account when determining how to calculate size of column. What is the general rule of thumb? When an axial load of 310kN is given to each column, the minimal column size for a 5m span, using M20 grade concrete ratio (1:1.5:3) and Fe500 grade steel, is 230mm by 230mm (9′′ by 9′′). This is in accordance with column design and the thumb rule.

How do you determine the size of a column?

  • Establish the weight that the column will be able to support:
This includes any live loads, such as people and furniture, as well as the weight of the structure above the column. A structural analysis program or employing a structural engineer can be used to determine the load. 
  • Pick the right concrete strength:
The size of the column will depend on the concrete's strength. The size of the column can be reduced the stronger the concrete is. Typically, the building code specifies the concrete strength.
  • Utilize a column design formula to determine the column size:
To determine the minimum column size, a formula will be used that takes into account the load, the concrete's strength, and the requirements of the building code. The following formula for how to measure column size from IS 456:2000 is, Pu = 0.4 fck Ac + 0.67 fy Asc Where, Pu = Ultimate Load on Column fck = Characteristics compressive strength of concrete Ac = Sectional Area of Concrete fy = Yield strength of steel Asc = Area of Steel Reinforcement Ac = Ag – Asc Asc = 0.01 Ag (Ag = Gross Area of Column) Ac = 0.99 Ag After determining the column size, you can order the necessary supplies and start constructing. In order to determine how to calculate size of column for your project precisely, it is always preferable to consult with a structural engineer. Renovate your house using the best quality cement by consulting NoBroker Read More: How much does it cost to renovate a bathroom? How do I choose between the many interior design styles available these days? What is the cost of construction per sq ft?  

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