Algae for Sustainable Construction
Algae algae everywhere!
Students from the School of Architecture and the Built Environment, Singapore Polytechnic have made concrete slabs with algae. They have found that a mix of algae and cement could be used to make precast drain sections, wall partitions, etc. With the new regulations in sand exports, the finding will be a real breakthrough in the construction industry.
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According to Athirah Rusli, one of the team members, using algae in place of sand in concrete mixes will reduce the harmful effects of the alkaline compounds in cement and algae’s binding strength could be made use of in the construction industry. The students also found a blend of 40% algae and 60% cement to be the strongest.
The team is planning to showcase their product at Singapore Polytechnic’s Engineering show. They are also planning to approach construction companies for commercializing their technology.
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