IMPACT OF WEATHERING ON THE PHYSICAL, MECHANICAL AND HYGRIC PROPERTIES OF NINE MUD PLASTER MIXES APPLIED ON STRAWBALE WALLS

Date

2024-10-4

Author

Şahin, Abdulmelik

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Earth-based building materials, such mud, clay, and adobe, provide a number of benefits, such as affordability, sustainability, and visual appeal. Nevertheless, there are a lot of difficulties in using them. Because earth-based materials are prone to erosion, water sensitivity, and cracking, durability is a major concern. Another drawback is their structural strength, which is frequently lower than that of contemporary building materials. The amount of maintenance required can be high, as erosion, water damage, and pest problems necessitate regular repairs. The efficiency of earth-based building can also be impacted by the climate, especially in areas with high humidity or harsh temperatures. This study aims to investigate the impacts of various factors including the amount of earth, water, fiber, aggregate, and different organic additives under weathering conditions and aims to investigate the physical, mechanical, and hygric properties of samples that are exposed several years to nature with no protection. The assessment focuses on physical properties, mechanical properties, the durability of samples, hygric properties, and hydric properties. These findings show that the composition of the mud-plaster samples has a substantial impact on their mechanical properties, especially their compressive strength. Samples kept in a laboratory typically have greater compressive strengths than samples left outside. The hygric properties—water absorption, vapor permeability, and drying rate are determined by the mud plaster composition, particularly by the amount of organic additives in the mix. Based on the mix composition and exposure to weathering, differences are seen in cohesiveness and resistance to surface abrasion. Over time, variations in temperature, humidity, and precipitation have a substantial impact on the properties of mud-plaster samples, causing a drop in compressive strength, an increase in water absorption, and a reduction in surface cohesiveness.

Subject Keywords

Physical strength of mud plaster, Durability of mud plaster, Hydric properties of mud plaster, Hygric Properties of mud plaster, Weathering

URI

https://hdl.handle.net/11511/111503

Collections

Graduate School of Natural and Applied Sciences, Thesis