Paper Title:
Experimental Study of Wet-Screened Aggregate Concrete under Biaxial Compression after Freeze-Thaw Cycles
  Abstract

Using the static and dynamic triaxial experimental machine, experimental study of the strength of wet-screened aggregate concrete are carried out under biaxial compression stress ratios, 0.25, 0.5, 0.75 and 1 after 0, 50, 100, 150, 200, 250, 300 cycles of freeze-thaw. The change of surface of wet-screened aggregate concrete specimens after different cycles of freeze-thaw are observed and described. The failure characteristic of specimens and the direction of the cracks are also observed. Based on the test data, the influence of freeze-thaw cycles and compressive stress ratio on the ultimate compressive strength and corresponding stress-strain relationship is analyzed respectively. The relationships between the ultimate compressive strength and freeze-thaw cycles, the stress ratios are given, respectively. On this basis, the unified failure criterion with consideration of the influence of freeze-thaw cycles and stress ratio is proposed. It can serve as a reference for the maintenance, design and the life prediction of ocean structures, hydraulic structures, marine structures and offshore platform in cold regions.

  Info
Periodical
Advanced Materials Research (Volumes 250-253)
Edited by
Guangfan Li, Yong Huang and Chaohe Chen
Pages
3210-3217
DOI
10.4028/www.scientific.net/AMR.250-253.3210
Citation
Y. P. Song, X. J. Xu, "Experimental Study of Wet-Screened Aggregate Concrete under Biaxial Compression after Freeze-Thaw Cycles", Advanced Materials Research, Vols. 250-253, pp. 3210-3217, 2011
Online since
May 2011
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$32.00
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