Page 22 - Open-Access-June-2020

TECHNICAL PAPER

reversed cyclic and earthquake excitation were the different type 6. In the structural behavior of ECC elements, columns have
of tests carried out. The parameters such as longitudinal and received less attention which has to be increased.
transverse reinforcement ratios, ECC material properties and 7. In the field of structural strengthening, the contribution
the axial load level were evaluated. The study concluded that of ECC in shear and torsion were not studied much which
the ECC specimen showed enhanced stiffness, lateral load and should be given attention.
ductility compared to concrete specimens.
8. The behavior of prestressed and precast ECC beams have
Liang and Lu investigated the beam–column–slab yet to be studied.
[99]
subassemblies with ECC in expected damage positions and
with different column-to-beam flexural strength ratios. The study 9. The fire resistant behavior of reinforced ECC elements has
reported that ECC beam–column–slab subassemblies showed to be studied.
enhanced load carrying capacity, ultimate drift and energy 10. In addition, considering ECC as a repair material specific
dissipation than RC beam–column sub-assemblage. NDT techniques need to be developed.

Lee et al. [100] investigated the beam–column sub-assemblage
with ECC joint subject to horizontal cyclic loads at the column ACKNOWLEDGEMENT
top and compared with RC beam–column sub-assemblage with This paper is the part of the author’s Ph. D. study enrolled at
concrete joint. The study concluded that the behavior of joint National Institute of Technology Puducherry, India which is being
changed from brittle to ductile behavior due to the use of ECC supervised by corresponding author.
joints. Compared to concrete specimens, the ECC specimens
showed enhanced damage tolerance, with limited shear REFERENCES
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4. Structures with performance requirements associated 6. Chen, Y., Yu, J., and Leung, C. K. (2018). “Use of high
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damage tolerance have been studied less, which need to Steel Corrosion”. Construction and Building Materials,
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