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Behavior of Plain Concrete of a High Water-Cement Ratio after Freeze-Thaw Cycles

1
School of Civil Engineering, Qingdao Technological University, Qingdao 266033, China
2
Faculty of Infrastructure Engineering, Dalian University of Technology, Dalian 116023, China
*
Author to whom correspondence should be addressed.
Materials 2012, 5(9), 1698-1707; https://doi.org/10.3390/ma5091698
Received: 20 April 2012 / Revised: 13 September 2012 / Accepted: 13 September 2012 / Published: 24 September 2012
An experimental study of plain concrete specimens of water-cement ratio 0.55, subjected to 0, 15, 25, 40, 50 and 75 cycles of freeze-thaw was completed. The dynamic modulus of elasticity (DME), weight loss, compressive strength, tensile strength, flexural strength, cleavage strength and stress-strain relationships of plain concrete specimens suffering from freeze-thaw cycles were measured. The experimental results showed that the strength decreased as the freeze-thaw cycles were repeated. A concise mathematic formula between DME, weight loss, mechanical properties and number of freeze-thaw cycles was also established. The influences of freeze-thaw cycles on the DME, weight loss and mechanical properties were analyzed. The experimental results serve as a reference for the maintenance, design and life prediction of dams, hydraulic structures, offshore structures, concrete roads and bridges in cold regions. View Full-Text
Keywords: plain concrete; freezing and thawing cycles; mechanical properties; weight loss; dynamic modulus of elasticity plain concrete; freezing and thawing cycles; mechanical properties; weight loss; dynamic modulus of elasticity
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Shang, H.-S.; Yi, T.-H.; Song, Y.-P. Behavior of Plain Concrete of a High Water-Cement Ratio after Freeze-Thaw Cycles. Materials 2012, 5, 1698-1707.

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