稳定碎石沥青混凝土用高分散多孔矿物基添加剂

Proceedings of the International Symposium "Engineering and Earth Sciences: Applied and Fundamental Research" dedicated to the 85th anniversary of H.I. Ibragimov (ISEES 2019) Pub Date : 2019-08-01 DOI:10.2991/ISEES-19.2019.85

S. O. Kazaryan, Y. Borisenko, V. Lukyanenko, D. A. Vorobyev, S. Rudak, D. P. Shvachev, R. M. Azan

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引用次数: 0

摘要

文章分析了多孔粉状矿物材料作为碎石沥青混凝土稳定掺合料的研究前景。研究了粘土细碎粉与沥青粘结剂的相互作用。研究了膨胀粘土粉作为碎石浆沥青混凝土稳定添加剂的有效性。结果表明，用膨胀粘土粉改性MMAC可提高沥青矿物材料的强度、耐热性和耐水性。确定了高分散多孔矿粉对MMAC抗裂、抗冻、抗剪性能稳定提高的影响。通过对碎石沥青混凝土流变特性的研究，发现改性后的MMAC结构具有最大的刚度、三轴抗剪性能、最大的柔韧性和较高的涂层变形性能

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Stabilizing Highly Dispersed Porous Mineral-Based Additives for Macadam Mastic Asphalt Concrete

The article analyzes research prospects of porous powder mineral materials for stabilizing additives used for macadam mastic asphalt concrete mixtures. The interaction of finely dispersed crushed claydite powder with a bituminous binder was studied. Efficiency of the use of expanded clay powder as a stabilizing additive for macadam mastic asphalt concrete was identified. It was revealed that modification of MMAC with expanded clay powder increases strength properties, heat resistance and water resistance of a bituminous mineral material. The effect of highly dispersed porous mineral powder on a steady increase in crack resistance, frost resistance and shear resistance of MMAC was identified. While studying rheological characteristics of crushed stone-mastic asphalt concrete, it was revealed that the structure of the modified MMAC provides maximum rigidity, triaxial compression and shear, maximum flexibility and high deformability of the coating of the material

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Proceedings of the International Symposium "Engineering and Earth Sciences: Applied and Fundamental Research" dedicated to the 85th anniversary of H.I. Ibragimov (ISEES 2019)

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