Performance of Engineered Cementitious Composite Material under Differing Site Conditions
Publication: Construction Research Congress 2022
ABSTRACT
Local conditions at a project construction site can affect the quality and durability of cementitious materials. Engineered Cementitious Composite (ECC) material is no exception. ECC is a low-volume fiber composition material known for self-healing, high ductility, and high-tensile strength. To quantify the ability of ECC to withstand differing site and environmental conditions, the material was exposed to varying temperatures and precipitation levels/relative humidity. Testing was also performed with materials that are local to the desert Southwest US. Preliminary results indicate that ECC performed well when subjected to a low humid, dry condition, frozen, and finally returned to a low-humid environment. This represents the type of environmental conditions this material might experience in high desert mountain areas of the Southwest US. In contrast, ECC performed poorly when exposed to dry conditions, frozen then placed in a wet and humid environment. Further study of varying construction site conditions is necessary to understand the performance of ECC in full-scale applications. The findings of this research contribute to a deeper understanding of the constructability of ECC under varying site conditions.
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Construction Research Congress 2022
Pages: 574 - 582
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Published online: Mar 7, 2022
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