This standard is applicable to the anti-frost heave design of canal linings in areas with seasonally frozen soil with a frost depth greater than 10cm and canal buildings in areas with a frost depth greater than 30cm.
SL 23-2006 history
2006SL 23-2006 Design code for anti-frost-heave of canal and its structure
1970SL 23-1991 Code for anti-frost heave design of canal engineering