随着我国工程建设不断向复杂严苛环境推进，绿色低碳、高强韧、高耐久已成为现代混凝土的基本特征和需求，而流动性则是保障混凝土结构施工质量的根本。本研究方向聚焦水泥基材料（包括硅酸盐水泥、新型低碳胶凝材料体系等）流变和服役性能优化调控，研究水泥基材料水化硬化过程纳-微-细-宏不同尺度结构发展变化规律；设计并构建小分子、聚合物以及复合纳微米材料，基于固体颗粒、气泡等表界面相互作用优化流变性能，基于不同阶段水化产物生长过程的调控，增强分子链、晶粒、固体颗粒的相互作用并优化孔隙缺陷，实现混凝土材料高流态、高强韧和高耐久。

代表论文：

(1)      Han, K. D.; Guo, T. F.; Shu, X.*; Ran, Q. P.*. Understanding the thixotropic structural build-up of C3S pastes in the presence of polycarboxylate superplasticizers. Cem. Concr. Res., 2024, 184, 107625.

(2)      Han, K. D.; Guo, T. F.; Shu, X.*; Ran, Q. P.*; Guo, Y. D.; Shi, J. Y. Insight into the role of early C3A hydration in structural build-up of cement paste. Cem. Concr. Res., 2024, 175, 107354.

(3)      Meng, F.; Dong, L.*; Wu, Y. L.; Shu, X.*; Guo, Y. D.; Ran, Q. P.. Effects and mechanisms of capric acid/silica capsule on water absorption reduction of cement paste. Constr. Build. Mater., 2023, 404, 133208.

(4)      Chen, J.; Shan, G. C.; Wu, J. Z.; Qiao, M.*; Gao, N. X.; Ran, Q. P.*. Branched alkyl polyethers as novel defoamers for concrete. Cem. Concr. Res., 2022, 157, 106821.

(5)      Huang, Z.; Yang, Y.; Ran, Q. P.*; Liu, J. P. Preparing hyperbranched polycarboxylate superplasticizers possessing excellent viscosity-reducing performance through in situ redox initialized polymerization method. Cem. Concr. Compos., 2018, 93, 323-330.