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Statistical analysis on basic mechanical properties of dry-mixed self-compacting concrete

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3 Author(s)
Xiushi Wang ; Sch. of Civil Eng., Hefei Univ. of Technol., Hefei, China ; Jianguo Wang ; Peixiang He

This paper addresses statistical analysis of mechanical properties on dry-mixed self-compacting concrete (DSCC) based on the experimental studies. Mechanical properties, consisting of the relationship between apparent density and cube compressive strength, the relationship between prism compressive strength and cube compressive strength, peak strain, Poisson's ratio and stress- strain curve, were discussed. The contrast research between experimental value of DSCC and normal concrete were analyzed in detail. The results indicate that except for the stress-strain curve equations, other mechanical properties and deformation performance indicators of DSCC are different compared with normal concrete, such as DSCC has smaller apparent density, greater compressive strength and the prism compressive strength ratio, larger peak strain; Poisson's ratio curve has slower growth with load, etc. Based on several regression models of the existing performance indicators of normal concrete, the regression formulas of DSCC, which can be suitable for mechanical properties and deformation performances, were proposed.

Published in:

Mechanic Automation and Control Engineering (MACE), 2010 International Conference on

Date of Conference:

26-28 June 2010