Graphene nanosheet modified cement-based material with piezoresistive effect and preparation method thereof
A technology of graphene nanosheets and cement-based materials, which is applied in the field of cement-based material preparation, and can solve the problems of cement-based materials such as comprehensive performance, unfavorable economic efficiency, adverse effects on mechanical strength, and inability to obtain ideal piezoresistive effects.
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Embodiment A1
[0029] Polyacrylate aqueous solution: graphene nanosheets, polycarboxylate water reducing agent, shrinkage reducing agent, defoamer, water, cement: fly ash=0.1 part: 0.025 part: 0.12 part: 0.38 part: 0.2 part: 16.175 part: 45 servings: 38 servings.
Embodiment A2
[0031] Polyacrylate aqueous solution, graphene nanosheets, polycarboxylate water reducer, shrinkage reducing agent, defoamer, water, cement: fly ash=0.12 parts: 0.03 parts: 0.2 parts: 0.8 parts: 0.5 parts: 16.35 parts: 40 servings: 42 servings.
Embodiment A3
[0033] Polyacrylate aqueous solution, graphene nanosheets, polycarboxylate water reducing agent, shrinkage reducing agent, defoamer, water, cement: fly ash=0.15 parts: 0.055 parts: 0.2 parts: 0.8 parts: 0.5 parts: 18.295 parts: 50 servings: 30 servings.
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