Journal
JOURNAL OF BUILDING ENGINEERING
Volume 26, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.jobe.2019.100851
Keywords
ECC; Light weight aggregate; Tensile strain capacity; Crack width; Drying shrinkage
Funding
- University Grants Commission (UGC) New Delhi through doctoral fellowship under the scheme of Maulana Azad National Fellowship
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Micromechanical model based Engineered Cementitious Composite (ECC) can be designed with strain capacity ranging from three hundred to five hundred times compared to conventional concrete. A review on previous research studies conducted on properties of ECC with addition of various mineral admixtures and fibers has been presented in this paper. Effect of water-cement ratio, shape and length of fibers, mixing techniques, temperature and use of fly ash in high volume on properties of ECC has been reported by various researchers. The volume fraction of fibers used in ECC has been ranged at 2%, which produced extensive strain hardening behaviour. ECC has an outstanding performance regarding tensile strain capacity along with multiple cracks. In ECC width of cracks is usually less than 100 mu m. Behaviour of ECC is like ductile metal while conventional concrete is brittle in nature.
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