Basic mechanical properties of ultra-high ductility cementitious composites: From 40 MPa to 120 MPa

Basic mechanical properties of ultra-high ductility cementitious composites: From 40 MPa to... A systematic study of the basic mechanical properties of ultra-high ductility cementitous composites (UHDCC), including the compressive, tensile and shear properties from normal strength to high strength were investigated in present research. The compressive strength of cylinder specimens with diameter of 100 mm and height of 200 mm were in the range of 43–115 MPa. The compressive strain corresponding to the peak stress, the Young’s modulus and the Poisson’s ratio were calculated. The tensile properties including the peak stress, the strain capacity and the strain energy were obtained as well as the relationships between the aforementioned parameters and the compressive strength. The peak tensile stress and the strain capacity of UHDCC were ranged from 6.2 MPa to 16.5 MPa, and 8.0% to 11.1%, respectively. Additionally, the shear stress-strain curves and the relationship between the shear strength and the corresponding compressive strength were also established. During the whole loading process of direct tensile and shear tests, the crack patterns were monitored by digital image correlation method. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Composite Structures Elsevier

Basic mechanical properties of ultra-high ductility cementitious composites: From 40 MPa to 120 MPa

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier Ltd
ISSN
0263-8223
eISSN
1879-1085
D.O.I.
10.1016/j.compstruct.2017.11.034
Publisher site
See Article on Publisher Site

Abstract

A systematic study of the basic mechanical properties of ultra-high ductility cementitous composites (UHDCC), including the compressive, tensile and shear properties from normal strength to high strength were investigated in present research. The compressive strength of cylinder specimens with diameter of 100 mm and height of 200 mm were in the range of 43–115 MPa. The compressive strain corresponding to the peak stress, the Young’s modulus and the Poisson’s ratio were calculated. The tensile properties including the peak stress, the strain capacity and the strain energy were obtained as well as the relationships between the aforementioned parameters and the compressive strength. The peak tensile stress and the strain capacity of UHDCC were ranged from 6.2 MPa to 16.5 MPa, and 8.0% to 11.1%, respectively. Additionally, the shear stress-strain curves and the relationship between the shear strength and the corresponding compressive strength were also established. During the whole loading process of direct tensile and shear tests, the crack patterns were monitored by digital image correlation method.

Journal

Composite StructuresElsevier

Published: Feb 1, 2018

References

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