1. 毕业设计(论文)主要内容:
选题的意义、目的:
沥青混凝土中集料占据混凝土总质量90%以上。由于沥青混凝土宏观路用性能与其微观性能性能密切相关,因此,基于集料与胶浆的界面结构特性,对沥青混凝土的微观性能性能进行分析,具有十分重要的意义。而当前相关文献研究的焦点主要集中于天然集料与沥青的界面结构研究上。
本课题通过文献调研,将分析沥青胶浆与人造集料的界面结构特性,及对沥青混凝土的微观性能的影响,从而建立与宏观路用性能之间的联系。
2. 毕业设计(论文)主要任务及要求
1. 查阅不少于40篇相关文献资料,其中近5年英文文献不少于15篇,了解国内外相关研究概况和发展趋势,了解选题对社会、健康、安全、成本以及环境等的影响,完成开题报告;
2. 完成不少于5000字的英文翻译;
3. 集料的制备工艺,如切割抛磨等结构特性的影响。
3. 毕业设计(论文)完成任务的计划与安排
第1-3周:查阅相关文献资料,完成英文翻译。明确研究内容,了解研究所需原料、仪器和设备。确定技术方案,并完成开题报告。
第4-6周:集料的制备,采用扫描电镜、显微镜以及其他仪器进行微观形貌表征方法的总结。
第7-10周:结合微观表征技术从材料合成角度阐述材料、工艺对性能的影响。并从集料成本、耐久性及环保等角度综合考虑人造集料的综合效益。
4. 主要参考文献
[1] Gao, Y., Hu, C., Zhang, Y., Li, Z., Pan, J. (2018). Investigation on microstructure and microstructural elastic properties of mortar incorporating fly ash. Cement and Concrete Composites, 86, 315-321. doi:https://doi.org/10.1016/j.cemconcomp.2017.09.008[2] Gesolu, M., Güneyisi, E., z, H. . (2012). Properties of lightweight aggregates produced with cold-bonding pelletization of fly ash and ground granulated blast furnace slag. Materials and Structures, 45(10), 1535-1546. doi:10.1617/s11527-012-9855-9[3] Kockal, N. U., Ozturan, T. (2010). Effects of lightweight fly ash aggregate properties on the behavior of lightweight concretes. Journal of Hazardous Materials, 179(1), 954-965. doi:https://doi.org/10.1016/j.jhazmat.2010.03.098[4] Li, Y., Wu, D., Zhang, J., Chang, L., Wu, D., Fang, Z., Shi, Y. (2000). Measurement and statistics of single pellet mechanical strength of differently shaped catalysts. Powder Technology, 113(1), 176-184. doi:https://doi.org/10.1016/S0032-5910(00)00231-X[5] Thomas, J., Harilal, B. (2015). Properties of cold bonded quarry dust coarse aggregates and its use in concrete. Cement and Concrete Composites, 62, 67-75. doi:https://doi.org/10.1016/j.cemconcomp.2015.05.005
[6] Zhou, J., Yu, D. X., Shu, Z., Li, T. T., Chen, Y., Wang, Y. X. (2014). A novel Two-step Hydration Process of preparing cement-free non-fired bricks from waste phosphogypsum. Construction and Building Materials, 73, 222-228.[7] Zhou, J., Zhang, Y., Shu, Z., Wang, Y. X., Yakubu, Y., Zhao, Y., Li, X. Q. (2019). Enhancing waterproof performance of phosphogypsum non-fired ceramics by coating silane-coupled unsaturated polyester resin. Materials Letters, 252, 52-55.[8] Zielinski, R. A., Al-Hwaiti, M. S., Budahn, J. R., Ranville, J. F. (2011). Radionuclides, trace elements, and radium residence in phosphogypsum of Jordan. Environ Geochem Health, 33(2), 149-165. doi:10.1007/s10653-010-9328-4[9] Zouch, H., Karray, F., Armougom, F., Chifflet, S., Hirschler-Rea, A., Kharrat, H., . . . Quemeneur, M. (2017). Microbial Diversity in Sulfate-Reducing Marine Sediment Enrichment Cultures Associated with Anaerobic Biotransformation of Coastal Stockpiled Phosphogypsum (Sfax, Tunisia). Frontiers in Microbiology, 8, 1583. doi:10.3389/fmicb.2017.01583
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