This standard specifies the method for testing the change in the length of the central axis of mortar or concrete specimens using a measuring device equipped with a dial gauge.
JIS A 1129-3:2001 history
2010JIS A 1129-3:2010 Methods of measurement for length change of mortar and concrete -- Part 3: Method with dial gauge
2001JIS A 1129-3:2001 Methods of test for length change of mortar and concrete Part 3: Method with dial gague