Experimental Study on the Optimal Mix Proportion of Steel Fiber-Reinforced Concrete in Cold Regions. - Wu, Li-Ming; Gao, Feng; Liu, Guang-Na; Huang, Hu-Xin-Tong; Wang, Zi-Jian; Wang, Yue; Luo, Wen-Jie (Coatings (2079-6412), 2026)