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Microstructures and mechanical properties of ultra-high performance engineered cementitous composites (UHP-ECC) incorporating limestone powder

Author(s): Ziwei Cai, Zhoudao Lu and Kequan Yu
Paper category: Proceedings
Book title:4th International Symposium on Design, Performance and Use of Self-Consolidating Concrete
Editor(s): Caijun Shi & Zuhua Zhang, Hunan University, China
Kamal Henri Khayat, Hunan University, China
Missouri University of Science & Technology, USA
Publisher: RILEM Publications SARL
Publication year:2018
Total Pages:11
Language : English

Abstract: The effects of limestone powder (LP) on the hydration, microstructure and mechanical properties (compressive and tensile properties) of ultra-high performance engineered cementitious composites (UHP-ECC) with different levels of replacement (12.5%, 25% and 50% by volume) were investigated. The kinetics of hydration was compared for different
replacement levels using isothermal calorimetry. The tensile properties including the tensile strength, tensile strain capacity and strain energy, attained the highest values at replacement ratio of 12.5% and then decreased with the increasing replacement ratios. The morphology of
PE fiber was investigated by scanned electron microscope (SEM) analysis.

Online publication : 2018
Publication type : full_text
Public price (Euros) : 0.00

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