Nano-Size Cement Bypass as Asphalt Modifier in Highway Construction

F. Khodary; M.S. Abd El-Sadek; H. S. El-Sheshtawy

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Nano-Size Cement Bypass as Asphalt Modifier in Highway Construction

机译：纳米水泥旁路作为沥青改性剂在公路建设中的应用

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This work is devoted to potentially use nanomaterials namely cement b ypass to improve physical, chemical, and rheological properties of bitumen. The proposed method based on using cement bypass with bitumen to increase the strength and improve the properties of modified nanomaterial-bitumen mixture. In this work, useful application of cement bypass to be used in a mixture with bitumen in asphalt concrete pavement application was developed. This new methodology is based on grinding of cement bypass by ball milling technique to produce nano-sized bypass material with particle size in the range o f 10-100 nm. The prepared cement bypass nano-sized materials have a high surface area to volume ratio compared to the conventional materials. The optimum modification level was determined by using spectroscopic techniques such as Transmission electron microscope (TEM) and Scan electron microscope (SEM). Experiments show that 15% of nano-sized cement bypass gives the highest penetration, softening point and compressive strength

机译：这项工作致力于潜在地使用纳米材料，即水泥绕过，以改善沥青的物理，化学和流变特性。该方法基于水泥与沥青的旁路，以提高强度并改善改性纳米材料-沥青混合物的性能。在这项工作中，开发了在沥青混凝土路面应用中与沥青混合使用的水泥旁路的有用应用。这种新方法基于通过球磨技术研磨水泥旁路的方法，以生产粒径在10-100 nm范围内的纳米级旁路材料。与常规材料相比，所制备的水泥旁路纳米级材料具有高的表面积与体积之比。最佳修饰水平是通过使用光谱技术确定的，例如透射电子显微镜（TEM）和扫描电子显微镜（SEM）。实验表明，15％的纳米级水泥旁路具有最高的渗透性，软化点和抗压强度

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《International Journal of Engineering Research and Applications》 |2013年第6期|共4页
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F. Khodary; M.S. Abd El-Sadek; H. S. El-Sheshtawy;
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机译：实践现状：用胶粉改性剂设计和施工沥青铺装材料。

Nano-Size Cement Bypass as Asphalt Modifier in Highway Construction

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