高强粗旦合成纤维增强UHPC的性能研究任务书
2020-04-24 11:17:36
1. 毕业设计(论文)的内容和要求
超高性能混凝土uhpc是一种高强度、高韧性、孔隙率低的超性能混凝土材料,广泛应用于桥梁、海湾建筑、搞成建筑、路桥以及严苛环境的建筑等结构中。
由于耐久性高、工作性高、强度高,超高性能混凝土被称为21世纪混凝土。
其中uhpc的孔结构是影响其强度的主要因素,而原材料颗粒体系具有的高堆积密实度是获得高强度的关键。
2. 参考文献
1. Ma J, Schneider H. Properties of ultra-highperformance concrete. Leipzig Annu. Civ. Eng. Rep. 2002; 7: 25#8211;32. 2. Zubair A. A study of mix design and mechanical properties of reactive powder concrete (RPC) utilizing fine quartz sand, MS Thesis. Saudi Arabia: King Fahd 3. University of Petroleum and Minerals; 2012. 4. Wu HQ, Gilbert RI. Modeling short-term tension stiffening in reinforced concrete prisms using a continuum-based finite element model. Eng. Struct. 2009; 31(10):2380#8211;91. 5. Bandelt MJ, Billington SL. Bond behavior of steel reinforcement in high-performance fiber-reinforced cementitious composite flexural members. Mater. Struct. 2016; 49(1#8211;2):71#8211;86. 6. Harajli MH. Bond stress#8211;slip model for steel bars in unconfined or steel, FRC, or FRP confined concrete under cyclic loading. J. Struct. Eng. 2009; 135(5):509#8211;18. 7. Chao SH, Naaman AE, Parra-Montesinos GJ. Bond behavior of reinforcing bars in tensile strain-hardening fiber-reinforced cement composites. ACI Struct. J. 2009;106(6):897. 8. De Nardi C, Cecchi A, Ferrara L, Benedetti A, Cristofori D. Effect of age and level of damage on the autogenous healing of lime mortars. Compos. B. Eng. 2017; 124:144#8211;57. 9. Richard P, Cheyrezy M. Composition of reactive powder concretes. Cement Concr. Res. 1995; 25: 1501#8211;11. 10. Ruan Y, et al. Carbon nanotubes reinforced reactive powder concrete. Compos Part. A-Appl. S 2018; 112: 371#8211;82. 11. Su Y, et al. Influences of nano-particles on dynamic strength of ultra-high performance concrete. Compos. B Eng. 2016; 91: 595#8211;609. 12. Bilow DN, Kamara ME. Fire and concrete structures, Structures 2008. ASCE: Crossing Borders; 2008. 13. Babrauskas V. Temperatures in flames and fires. Fire Science and Technology Inc.; 2006. 14. Nazri FM, Shahidan S, Baharuddin NK, Beddu S, Abu Bakar BH. Effects of heating durations on normal concrete residual properties: compressive strength and mass loss. IOP Conf Ser Mater Sci Eng 2017; 271. 15. ASTM C39. Standard test method for compressive strength of cylindrical concrete specimens. West Conshohocken, PA: ASTM International; 2018. 16. ASTM C469. Standard test method for static modulus of elasticity and Poisson's ratio of concrete in compression. West Conshohocken, PA: ASTM International; 2014. 17. Poon CS, Shui ZH, Lam L. Compressive behavior of fiber reinforced high-performance concrete subjected to elevated temperatures. Cement. Concr. Res. 2004; 34:2215#8211;22.
3. 毕业设计(论文)进程安排
2018-01-06~2018-01-18 查阅文献,撰写开题报告。
2017-02-26~2018-03-31 制定实验方案,开展高强粗旦合成纤维本体性能研究,定期汇报实验进展。
2018-04-01~2018-04-29 进行相关力学测试,进行考察相应成型工艺。