After the students decided on the dimensions of the column, obviously the next step is to make a mould which is the formwork. The formwork was made from plywood for the sides and timber blocks for the external bracing.
During their first attempt the students neglected the importance of the external support because it was just too much work but during the placement of concrete the pressure from the wet concrete burst the base of the formwork that requires it to be redone.
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| First attempt not much external bracing |
The second attempt was a success and it was a matter of learning through their mistakes.
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| Making sure the formwork is plumb by shoring |
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| More external support |
Finally the students placed the wet concrete and at the same time tampering and compacting was done to minimise the honeycombs.
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| Student using a wooden pole for compaction |
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