2023TB/T 3360.1-2023 Waterproofing and drainage materials for railway tunnels Part 1: Waterproofing and drainage boards
2014TB/T 3360.1-2014 Water-proof materials used in railway tunnel.Part 1: water-proof slab
TB/T 3360.1-2023 Waterproofing and drainage materials for railway tunnels Part 1: Waterproofing and drainage boards has been changed from TB/T 3354-2014 Railway tunnel drainage board.