INNOVATION IN RECYCLING SHELLS AS AN ADDITIONAL MATERIAL IN THE CONSTRUCTION OF HOLLOW CONCRETE WALLS
Abstract
The use of shellfish waste as an alternative material in construction is an innovative effort to reduce environmental pollution while increasing the economic value added by coastal communities. This study aims to assess the potential of recycled shellfish as an aggregate substitute in the construction of hollow concrete walls, applied to fishermen's groups in Cilincing, North Jakarta. The research method uses a laboratory experimental approach with quantitative methods, through the process of waste collection, cleaning, crushing, mixing, and molding various hollow concrete mixtures with shellfish substitution proportions of 0%, 10%, 20%, and 30%. The results of the initial research stage indicate that all mixture variations can be produced well, although with higher substitutions the dough texture tends to be coarser and requires adjustment of the water content. From a sustainability perspective, this innovation contributes to the reduction of coastal waste, the creation of economic added value, and the empowerment of fishing communities. This study provides an initial basis for further testing related to the technical performance of hollow concrete made from shellfish.
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References
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