Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/74623
Title: Development of ultra-high performance engineered cementitious composites using polyethylene (PE) fibers
Authors: Yu, KQ 
Yu, JT
Dai, JG 
Lu, ZD
Shah, SP
Keywords: High ductility
High strength
Multiple cracks
Strain hardening cementitious composites
Ultra-high strength mortar
Issue Date: 2018
Publisher: Elsevier
Source: Construction and building materials, 2018, v. 158, p. 217-227 How to cite?
Journal: Construction and building materials 
Abstract: Ultra-high performance engineered cementitious composites (UHP-ECC), which combines the strain-hardening and multiple crack characteristics and the high strength of mortar matrix, was investigated in this study. The tensile strength and elongation of the UHP-ECC achieved were 20 MPa and 8.7%, respectively. For the production of UHP-ECC, ultra-high-molecular-weight polyethylene (PE) fibers were deployed to reinforce the ultra-high strength mortar while special attention was paid to the mix process to ensure satisfactory fiber dispersion. The tensile stress-strain curves, the compressive strength and elastic modulus, and the flexural behavior of UHP-ECC were investigated to understand its mechanical performance. The digital image correlation (DIC) technique was utilized to monitor the crack patterns of UHP-ECC during the tensile and flexural tests. In addition, Scanning electron microscope (SEM) analysis was conducted to achieve an in-depth understanding of the microstructure of UHP-ECC.
URI: http://hdl.handle.net/10397/74623
ISSN: 0950-0618
DOI: 10.1016/j.conbuildmat.2017.10.040
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