1. 毕业设计（论文）的内容和要求
碳酸钙质材料在自然界中广泛存在，石灰石，白云石，珊瑚砂等等这些都是碳酸钙质材料，石灰石，白云石，珊瑚砂也都逐渐被广泛应用于建材行业，但是石灰石，白云石，珊瑚砂在胶凝材料中的作用并不一致，而根本差异在于石灰石，白云石，珊瑚砂中碳酸钙的矿物存在形式的差异。
因此本课题使用不同晶型的碳酸钙复合水泥基胶凝材料，研究不同晶形碳酸钙的影响差异。
最后把整个研究内容写成毕业论文。
2. 参考文献
根据毕业要求指点10.3，毕设期间要进行研究现状调查与总结，要求在开题报告及毕业设计（论文）中涉及的英文文献不少于20篇，其中近5年不少于8篇，英文文献不少于5篇。
以下是与本课题相关的部分文献列表：[1] R. evk, P. aek, A. Viani, Physical and nanomechanical properties of the synthetic anhydrous crystalline CaCO3 polymorphs: vaterite, aragonite and calcite, Journal of Materials Science 53(6) (2018) 4022-4033.[2] M. Altiner, M. Yildirim, Production and characterization of synthetic aragonite prepared from dolomite by eco-friendly leachingcarbonation process, Advanced Powder Technology 28(2) (2017) 553-564.[3] Z. Shi, B. Lothenbach, The role of calcium on the formation of alkali-silica reaction products, Cement and Concrete Research 126 (2019) 105898.[4] J. Shen, R. Wang, STUDY ON ENGINEERING PROPERTIES OF CALCAREOUS SAND, Journal of Engineering Geology(2010).[5] L.I. Qing, N.H. Li, H.U. zhu, W.X. Wang, Yanping, Control synthesis of aragonite and calcite in aqueous solution, Journal of Functional Materials 37(3) (2006) 487-491.[6] C.W. Hargis, A. Telesca, P.J.M. Monteiro, Calcium sulfoaluminate (Ye'elimite) hydration in the presence of gypsum, calcite, and vaterite, Cement and Concrete Research 65 (2014) 15-20.[7] L.H.J. Martin, F. Winnefeld, C.J. Mller, B. Lothenbach, Contribution of limestone to the hydration of calcium sulfoaluminate cement, Cement and Concrete Composites 62 (2015) 204-211.[8] N.B. Tiburzi, J. Garcia, T. Drimalas, K.J. Folliard, Sulfate resistance of portland-limestone cement systems containing greater than 15% limestone, Cement and Concrete Composites 100 (2019) 60-73.[9] M. Lukas, W. Frank, M. Christian, L. Barbara, Influence of limestone on the hydration of calcium sulfoaluminate cements, International Conference on Sulphoaluminate Cement: Materials Engineering Technology, 2013.[10] L. Pelletier-Chaignat, F. Winnefeld, B. Lothenbach, C.J. Mller, Beneficial use of limestone filler with calcium sulphoaluminate cement, Constr. Build. Mater. 26(1) (2012) 619-627.[11] H. Shi, Z. Yu, J. Ma, C. Ni, X. Shen, Properties of Portland cement paste blended with coral sand powder, Constr. Build. Mater. 203 (2019) 662-669.[12] J. Ma, Z. Yu, C. Ni, H. Shi, X. Shen, Effects of limestone powder on the hydration and microstructure development of calcium sulphoaluminate cement under long-term curing, Constr. Build. Mater. 199 (2019) 688-695.
以上是毕业论文任务书，课题毕业论文、开题报告、外文翻译、程序设计、图纸设计等资料可联系客服协助查找。
