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运用响应面法的无机聚合物混凝土性能分析
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U414

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Research on Performance of Inorganic Polymer Concrete Based on Response Surface Methodology
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    摘要:

    利用矿粉与固体激发剂,制备了适用于机场道面的快硬早强无机聚合物混凝土。基于响应面分析法,使用Design Expert软件对试验结果进行模型拟合,研究水胶比、胶凝材料用量、砂率各自变量及其交互作用对无机聚合物混凝土坍落度、初凝时间、7d抗折强度影响的显著程度。分析结果表明:坍落度影响方面,胶凝材料用量>水胶比>砂率;初凝时间方面,水胶比>胶凝材料用量>砂率;7d抗折强度影响方面,水胶比>砂率>胶凝材料用量;双因素交互作用的显著程度也各不相同,其中水胶比和胶凝材料用量对坍落度的交互作用最显著,胶凝材料用量和砂率对7d抗折强度的交互作用最显著,三因素两两之间对初凝时间的交互作用不显著。

    Abstract:

    This paper utilizes a kind of mineral powder and solid activator for paparing a quick setting and early high strength inorganic polymer concrete suitable for airport pavement. Based on the response surface analysis method, the experimental results are modeled by using the Design Expert statistical analysis software. The paper researches the notability degree of variables water-binder ratio, cementitious materialsconsumption, sand ratioand the intermingled influence between them towards inorganic polymer concrete slump, initial setting time and 7d rupture strength.The results show that the notability degree effects of water-binder ratio, cementitious materialsconsumption and sand ratio on inorganic polymer concrete slump, initial setting time and 7d rupture strength are different, and the order of notabilitydegree is cementitious materialsconsumption>water-binder ratio>sand ratio, water-binder ratio>cementitious materialsconsumption>sand ratio, water-binder ratio>sand ratio>cementitious materialsconsumption; In addition, the notabilitydegree of the interaction between any two factors are different. The interaction between water-binder ratio and cementitious materialsconsumption has the most significant effect on slump, and the interaction between cementitious materialsconsumption and sand ratio has the most significant effect on the 7d rupture strength. The interaction between any two factors among the three has no significant effect on initial setting time.

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吴永根,张泽垚,刘庆涛,李文哲.运用响应面法的无机聚合物混凝土性能分析[J].空军工程大学学报,2017,18(3):92-98

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  • 在线发布日期: 2017-07-07
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