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What is Column Kicker? Its Formworks, Application and Advantages: Video Included

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What is Column Kicker? Why it is Used in Construction?

Column Kicker is a small concrete step used at the bottom of columns or walls to make sure that correct coordinates of columns or walls are maintained between floor slabs. So, a column kicker should be used at all positions where columns or walls are constructed. After the construction of the kicker is completed, then the formwork of columns or slabs can be placed immediately, and the kicker will guarantee exact column base alignment and location.

Dimensions and Formwork of Column Kicker

The thickness of the column kicker ranges from 50mm to 150mm whereas its width and length are the same as the column for which the kicker is constructed. The best height of the column kicker is 150mm because it provides a good structural start for the column or wall.

Fig.1: Column Kicker

Structurally, the thickness of the kicker less than 150mm is not desired. If the kicker thickness is greater than 150mm, then it tends to slump with the weight of concrete in them. After the formwork of the column kicker is placed, then fresh concrete is placed monolithically with the slab.

Fig.2: Column Kicker Formwork Installation

Advantages of Column Kicker

Fig.3: Checking column cover after kicker formwork is placed

Disadvantages of Column Kicker

The most outstanding disadvantage of the kicker is the possible formation of joints at the bottom of columns or walls. That is why it is sometimes eliminated, and acceptable techniques are used to install column and wall shuttering. But the risk of errors is increased if kickers are not used. Also Read: What is a Plinth Beam? Its purpose, Applications and Construction
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