Experimental Study on the Effect of Rubber Particle Size on the Frost Resistance Characteristics of Concrete
Source abstract
Abstract
In order to study the law of influence of rubber particle size on concrete frost resistance characteristics, this paper systematically evaluates the freeze–thaw characteristics of rubber concrete containing different particle sizes. Rubber concrete containing different particle sizes is subjected to 25, 50, 75, 100, and 125 freeze–thaw cycles. After the freeze–thaw cycles, the specimens are observed or measured for appearance, mass change rate, relative dynamic elastic modulus, internal damage degree, compressive strength, and tensile strength. The results show that the frost resistance of concrete mixed with rubber of different particle sizes is more excellent, and the surface of concrete specimens after different numbers of freezing and thawing cycles shows different degrees of spalling. Meanwhile, due to the presence of rubber, the compressive and tensile strengths of rubberized concrete are significantly inferior. Finally, the microscopic scanning results reveal the mechanism of rubber’s incorporation into concrete. The incorporation of rubber effectively reduces its internal pore development. To summarize, it can be seen that rubber incorporated into concrete is a worthwhile method to consider for frost resistance of engineering materials.
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Research context
OpenAlex topics: Innovative concrete reinforcement materials · Concrete and Cement Materials Research · Smart Materials for Construction
SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.
Affiliations
Anhui Province Key Laboratory of Green Building and Assembly Construction, Anhui Institute of Building Research & Design, Heifei 230031, China
School of Civil Engineering and Architecture, Anhui University of Science and Technology, Huainan 232001, China
National Key Laboratory of Fine Coal Exploration and Intelligent Development, China University of Mining and Technology, Xuzhou 221116, China
Funding
Open Research Fund of Anhui Province Key Laboratory of Green Building and Assembly Construction, Anhui Institute of Building Research & Design · Natural Science Research Project of Higher Education Institutions in Anhui Province · Open Research Fund of the State Key Laboratory for Fine Exploration and Intelligent Development of Coal Resources, CUMT · Key Laboratory of Mine Construction Engineering in Anhui Province · Anhui University of Science and Technology Young Teachers Scientific Research Fund Project
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