Practical Columns for Homes and How to Calculate Their Size

In building a solid property foundation, there are two types of columns or building material supports that you need to know. One of them is a practical column or the type that is useful for strengthening the building vertically.

Apart from that, there is also another type of column known as the main column. Then, what's the difference? The following is a complete review of the practical column details to the characteristics that distinguish it from the main column.


What is a Practical Column?

A practical column is a pole in the form of an iron frame that is used to assist the main column in supporting a building. Usually, this type of column is installed vertically in the wall so that its shape will not be visible from the outside.

The risk of collapse due to shocks can also be minimized by having this column in your building.

Difference Between Practical Column and Main Column

As mentioned earlier, in general there are two types of columns, namely practical columns and main columns. When viewed from the general function, both are equally useful for strengthening the building structure.

However, there are some differences between the two types of columns that you need to pay attention to, including:

  1. Concrete practically only helps to hold the wall transversely so that it does not collapse. While the main column supports the entire building vertically
  2. In its application, practical concrete columns are often used to support wall beams to keep them standing and the main column for construction floor beams and slabs
  3. The location of the concrete is practically hidden and its shape is not visible from the outside. While the structural columns are in a secure foundation, long flat and large in size


Other Types of Building Columns

In property development, it's not just about knowing the two types of columns above. There are several types of columns according to different classifications or categories. A number of points below are the types of columns you need to know.

  • Based on the reinforcement function: tied column (tied column), spiral column (spiral column), and composite column
  • By load type: axial column, uniaxial eccentric column, and biaxial eccentric column
  • By ratio: short column and long column
  • By shape: square column, circular column, L column, and T . column
  • Based on construction materials: reinforced concrete columns, steel columns, wooden columns, brick columns, beam columns, and stone columns


Practical Column Function

Most of the walls of the building are constructed using adobe, which basically has no transverse strength.

While the size of the building itself is not small. As a result, if there is no fastener between the walls, it will be possible to collapse. The function of practical columns is to overcome this.

Broadly speaking, another name for practical frame columns is construction wall binders.

Just like bones in humans, these columns form a framework that helps bind the walls together to keep them standing firmly and in the same position as when they were built. In addition, this type of column can also help prevent the building from cracking.


Practical Column Size

Next, what about the shape and size of practical columns in buildings? Without realizing it, you may often find iron and concrete belonging to this type of column in areas that are under construction.

In general, practical type columns are frames consisting of concrete. In addition, there is also iron material in the framework of this one column, namely iron begel (square-shaped iron) and column cuttings (vertical elongated iron) which must be firmly tied with iron wire. For reference, the following is an image of this type of column.

Source:jualkolompraktis.com

The size of the column follows the size and material of the building being refuted. If you want to use it on the walls of a building made of adobe, then the practical frame column sizes are usually around 10 x 10 cm, 12 x 12 cm, or 15 x 15 cm.


Practical Column Distance

In each building with different materials, the placement of columns is also different. If you look at the standard of buildings or houses in residential locations, ideally the practical column distance is 3-4 meters. Or adjust the corner of the room, because that point is where the connection is most prone to cracking or collapsing.


How to Calculate Practical Columns

Before knowing how to calculate it, it should also be noted that there are several components that make up the column, namely begel iron, reinforcing steel, and the concrete column itself. Each component has a different size and number. Take a look at some of the practical formulas for calculating columns below.

For example, in one brick wall will be installed a column with a length of three meters. Meanwhile, the size of the column is planned to be 15 x 15 cm. If each begel is spaced 20 cm apart, then:


Number of begel


= 300 : 20


= 15 pieces


reinforcing iron


= 4 x 300


= 1200 cm


= 12 m


Column volume


= 15 x 15 x 300


= 67500 cm3


= 0.0675 m3


In conclusion, you need a total of 15 pieces of iron begel and 1 reinforcing bar measuring 12 m to install a practical column with a volume of 0.0675 m3.

After finding these numbers, don't forget to calculate the need for cement, sand, and other construction materials to build columnar concrete. The trick is to multiply the coefficient of the SNI value of the material and the volume of the column.

That was my Prospect's discussion of column types, including practical frames. Now you can also tell the difference between the practical column and the main column.

Trying to find out about building details from this article can broaden your horizons as a property agent. So, if there are buyers who don't know anything about the property being purchased, you can provide them with a little additional information.

In addition, the calculation of column material requirements can also be considered for the cost of the property that you offer. Not only about building construction materials, you can also read some other information about property through Duniaarsitek's blog.


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