Segregation Characteristics of Cast-in-Place Concrete in Highway Tunnel Ventilation Shaft Secondary Lining Using Nuclear Magnetic Resonance Technology

WANG Guofeng, CUI Xuan, REN Kaifu, FANG Yongqiao, BAO Xiangyu

Tunnel Construction . 2025, (S2): 107 -114 . DOI: 10.3973/j.issn.2096-4498.2025.S2.009