Study on Preparation and Mechanical Properties of High Strength PMMA Composite Plastic Concrete Materials
In this study,high strength poly(methyl methacrylate)(PMMA)composite plastic concrete materials were prepared by adding PMMA to concrete materials,and the effects of different PMMA doping concentrations on the mechanical properties of composite plastic concrete materials were investigated.The results show that the compressive strength,flexural strength,tensile strength,elastic modulus and splitting tensile strength of the material firstly increase and then decrease with the increase of PMMA doping concentration.The maximum value is reached when the PMMA doping concentration is 6%,and the properties are also optimized.The composite concrete material can maintain its excellent compressive strength and flexural strength before and after freezing and thawing and under high temperature conditions,indicating that the composite concrete material prepared in this study has a good application prospect.
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