1. 毕业设计（论文）的内容和要求
珊瑚砂被认为是一种潜在的混凝土骨料，而且在海洋岛礁中大量存在，有利于节省海洋工程的原料成本和缩短工期。
但由于珊瑚砂自身的孔隙率较多，对于水泥混凝土的泌水和收缩有较大影响，此外，由于珊瑚骨料基本用于海洋环境下的混凝土，所以本课题主要研究珊瑚砂对水泥基材料的物理性能以及模拟在海洋环境下的耐久性能的影响。
最后把整个研究内容写成毕业论文。
2. 参考文献
[1] Y. Wang, S. Zhang, D. Niu, L. Su, D. Luo, Effects of silica fume and blast furnace slag on the mechanical properties and chloride ion distribution of coral aggregate concrete, Constr. Build. Mater. 214 (2019) 648-658.[2] Y. Wang, Z. Shui, X. Gao, Y. Huang, R. Yu, X. Li, R. Yang, Utilizing coral waste and metakaolin to produce eco-friendly marine mortar: Hydration, mechanical properties and durability, Journal of Cleaner Production 219 (2019) 763-774.[3] B. Lyu, A. Wang, Z. Zhang, K. Liu, H. Xu, L. Shi, D. Sun, Coral aggregate concrete. Part I. numerical description of physical, chemical and morphological properties of coral aggregate, Cement and Concrete Composites 100 (2019) 25-34.[4] W. Wu, R. Wang, C. Zhu, Q. Meng, The effect of fly ash and silica fume on mechanical properties and durability of coral aggregate concrete, Constr. Build. Mater. 185 (2018) 69-78.[5] A. Wang, B. Lyu, Z. Zhang, K. Liu, H. Xu, D. Sun, The development of coral concretes and their upgrading technologies: A critical review, Constr. Build. Mater. 187 (2018) 1004-1019.[6] J. Tang, H. Cheng, Q. Zhang, W. Chen, Q. Li, Development of properties and microstructure of concrete with coral reef sand under sulphate attack and drying-wetting cycles, Construction Building Materials 165 (2018) 647-654.[7] L. Ma, Z. Li, X. Chen, K. Gao, J. Wu, Research Progress on Properties and Applications Of Coral Concrete, Bulletin of the Chinese Creamic Society 37(8) (2018) 2471-2477.[8] Q. Yu, Mix design and compressive strength of coral aggregate concrete, Concrete (02) (2017) 155-157 160.[9] Z.B. Wei, Z. Li, J. Shen, RESEARCH ON THE INFLUENCING FACTORS OF PERFORMANCE OF CORAL CONCRETE AND ITS EARLY MECHANICAL PROPERTY, Industrial Construction (03) (2017) 130-136.[10] X. Wang, R. Yu, Z. Shui, Q. Song, Z. Zhang, Mix design and characteristics evaluation of an eco-friendly Ultra-High Performance Concrete incorporating recycled coral based materials, Journal of Cleaner Production 165 (2017).[11] X. Wang, Z. Shui, R. Yu, M. Bao, G. Wang, Effect of coral filler on the hydration and properties of calcium sulfoaluminate cement based materials, Constr. Build. Mater. 150(Supplement C) (2017) 459-466.[12] J. Wang, P. Feng, T. Hao, Q. Yue, Axial compressive behavior of seawater coral aggregate concrete-filled FRP tubes, Constr. Build. Mater. 147 (2017) 272-285.[13] Y. She, Y. Lv, F. Li, J. Yuan, Experimental analyses of shearing mechanism of coral sand, Journal of PLA University of Science and Technology(natural Science Edition) (01) (2017) 29-35.[14] C. Pavithra, D.A. Ratthen, A. Arokiaprakash, S. Karthiga, Study on use of coral sand as fine aggregates in concrete, International Journal of Civil Engineering Technology 8(4) (2017) 543-549.[15] J.M. Liu, Z.W. Ou, J.C. Mo, Y.Z. Chen, T. Guo, W. Deng, Effectiveness of Saturated Coral Aggregate and Shrinkage Reducing Admixture on the Autogenous Shrinkage of Ultrahigh Performance Concrete, Adv. Mater. Sci. Eng.(2017) 11.[16] J. Liu, Z. Ou, W. Peng, T. Guo, W. Deng, Y. Chen, Literature Review of Coral Concrete, Arabian Journal for Science Engineering (4) (2017) 1-13.[17] S. Cheng, Z. Shui, T. Sun, R. Yu, G. Zhang, S. Ding, Effects of fly ash, blast furnace slag and metakaolin on mechanical properties and durability of coral sand concrete, Applied Clay Science 141(Supplement C) (2017) 111-117.
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