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The Stress-Strain Behavior of Densified Mix Design of Concrete

Published online by Cambridge University Press:  05 May 2011

Ping-Kun Chang
Ping-Kun Chang*
Affiliation:
Department of Civil Engineering, Van Nung Institute of Technology, Chungli, Tao-Yuan, Taiwan 320, R.O.C.
*
*Associate Professor
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Abstract

This paper investigates the compressive strength and workability of High-Performance Concrete (HPC) which yields a slump at 250 ± 20mm and a slump flow at 650 ± 50mm. From the complete stress-strain curve, it shows the peak strain will be higher while the strength increases. Two kinds of the post failure models can be distinguished. The first type (Type I) is called strain softening and the second type (Type II) is called strain snapping back. Also, it is found that the modulus of elasticity Ec decreases as the volume of cementitious paste Vp increases. On the other hand, Poisson's ratio ν increases as Vp increases.

Keywords

Compressive strengthStress-strain curveFailure modelsModulus of elasticityPoisson's ratio
Type
Articles
Information
Journal of Mechanics , Volume 18 , Issue 4 , December 2002 , pp. 185 - 192
Copyright
Copyright © The Society of Theoretical and Applied Mechanics, R.O.C. 2002

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References

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