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Impact of additives on the properties of earth plasters

Earth building materials have a long history in the world and especially in Turkey. Buildings dating from more 10 000 years have been uncovered by archaeologist and vernacular buildings all over the country are finished with mud plasters. The aim of this study is to propose solutions for vernacular and natural buildings that have a modern and aesthetic appearance and longevity more appropriate with actual standard of the building materials. The objective of this research is to identify appropriate additives that will reinforce the resistance of plaster to water and erosion as well as enhance its cohesion to the structure. Plaster mixes will be defined compared to a type of earth and a support material and their durability studied as well as their mechanical and hygrothermal properties.