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J. Compos. Sci.
Volume 5
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Article

Development of Ultra-Lightweight and High Strength Engineered Cementitious Composites

by
Zhitao Chen
,
Junxia Li
and
En-Hua Yang
*
School of Civil and Environmental Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore 639798, Singapore
*
Author to whom correspondence should be addressed.
J. Compos. Sci. 2021, 5(4), 113; https://doi.org/10.3390/jcs5040113
Submission received: 16 March 2021 / Revised: 14 April 2021 / Accepted: 14 April 2021 / Published: 18 April 2021
(This article belongs to the Special Issue High Performance Fiber-Reinforced Cementitious Composites)
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Abstract

In this study, ultra-lightweight and high strength Engineered Cementitious Composites (ULHS-ECCs) are developed via lightweight filler incorporation and matrix composition tailoring. The mechanical, physical, and micromechanical properties of the resulting ULHS-ECCs are investigated and discussed. ULHS-ECCs with a density below 1300 kg/m3, a compressive strength beyond 60 MPa, a tensile strain capacity above 1%, and a thermal conductivity below 0.5 w/mK are developed. The inclusion of lightweight fillers and the variation in proportioning of the ternary binder can lead to a change in micromechanical properties, including the matrix fracture toughness and the fiber/matrix interface properties. As a result, the tensile strain-hardening performance of the ULHS-ECCs can be altered.
Keywords: cenosphere; ternary binder; engineered cementitious composites; ultra-lightweight; high strength cenosphere; ternary binder; engineered cementitious composites; ultra-lightweight; high strength

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MDPI and ACS Style

Chen, Z.; Li, J.; Yang, E.-H. Development of Ultra-Lightweight and High Strength Engineered Cementitious Composites. J. Compos. Sci. 2021, 5, 113. https://doi.org/10.3390/jcs5040113

AMA Style

Chen Z, Li J, Yang E-H. Development of Ultra-Lightweight and High Strength Engineered Cementitious Composites. Journal of Composites Science. 2021; 5(4):113. https://doi.org/10.3390/jcs5040113

Chicago/Turabian Style

Chen, Zhitao, Junxia Li, and En-Hua Yang. 2021. "Development of Ultra-Lightweight and High Strength Engineered Cementitious Composites" Journal of Composites Science 5, no. 4: 113. https://doi.org/10.3390/jcs5040113

APA Style

Chen, Z., Li, J., & Yang, E.-H. (2021). Development of Ultra-Lightweight and High Strength Engineered Cementitious Composites. Journal of Composites Science, 5(4), 113. https://doi.org/10.3390/jcs5040113

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