Influence of sodium aluminate on calcium leaching of shotcrete in tunnels

• Main Authors: Ye, Fei, He, Biao, Tian, Chong-ming, Zhao, Meng, Wang, Jian, Han, Xing-bo, Armaghani, Danial Jahed
• Format: Article
• Published: Pergamon-Elsevier Science Ltd 2021
• Subjects: TA Engineering (General). Civil engineering (General); TH Building construction
• Online Access: http://eprints.um.edu.my/28681/
• Institution: Universiti Malaya

Road tunnels built in water-rich areas are prone to calcium leaching owing to long-term erosion by groundwater, which results in calcite deposition in tunnel drainage system. Calcite deposition can lead to the clogging of drainage pipes and water gutters. When these facilities are blocked, the groun...