What is the main purpose of chamfers in concrete structures?

Some would suggest aesthetics as the answer of the question. Others may consider safety on the contrary because chamfered edge is less liable to damage to the concrete structure and any objects hitting on it. However, the main reason of the provision of chamfer is to make formworks easier to pull out after concreting operation.

It is not uncommon that concrete is getting adhered to formwork and tore away during removal of formwork. In fact, the formation of a sharp nice corner is practically difficult and the concrete at corners is easily chipped and broken into pieces during the removal of formwork. Hence, the provision of chamber could protect the corner from chipping when striking formwork.

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This question is taken from book named – A Closer Look at Prevailing Civil Engineering Practice – What, Why and How by Vincent T. H. CHU.

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Kanwarjot Singh

Kanwarjot Singh is the founder of Civil Engineering Portal, a leading civil engineering website which has been awarded as the best online publication by CIDC. He did his BE civil from Thapar University, Patiala and has been working on this website with his team of Civil Engineers.

This question is taken from book named – A Closer Look at Prevailing Civil Engineering Practice – What, Why and How by Vincent T. H. CHU.

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