DEVELOPMENT OF RAPID SET PLASTERING MORTAR FOR USING IN THE ASEAN REGION
DOI:
https://doi.org/10.55766/sujst-2023-05-e02792Keywords:
CAC, Calcium Aluminate Cement, Fast Construction, Materials Properties, Wall PlasteringAbstract
Currently, a conventional plaster is widely used for wall plastering and occurs in various operational steps. The hardening time necessary for the plasters plays one of the most important roles in determining the duration of plastering work. Rapid-setting plasterers can assist in accelerating the process. However, plastering mortar with a hardened consistency is an imported product with very high shipping costs and import obligations, making it less competitive compared to local products in ASEAN. To maintain the quality and shelf life, transporting it also requires considerable time. Consequently, plaster products may agglomerate and lose their distinctive qualities. Besides, the climate in the ASEAN region differs from the country in which rapid-setting plaster products are produced. This has a direct effect on the plastering processes employed by ASEAN plasterers. This study focuses on the production of plaster mixes using raw materials in Thailand. To accelerate solidification, the addition of 3-4% calcium aluminate cement was conducted. In addition, it is compatible with Thai standards. The experimental results demonstrated that the manufactured plaster satisfied Thailand’s quality and usability standards. Consideration is given to material performance parameters such as flowability, setting time, compressive strength, constructability of user field study, and carbon footprint regarding the life cycle assessment.
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