ISO 22480-2:2022 pdf download – Railway applications — Concrete sleepers and bearers for track — Part 2: Prestressed monoblock sleepers. 5.3 Test procedures 5.3.1 General Storage conditions should be specified by the purchaser. The following precautions should be considered for the execution of the tests. — Wipe clean all testing machine bearing surfaces and remove any loose grit or other extraneous material form the surface of the sleeper that will be in contact with the supports. — For sleepers stored in water, wipe excess moisture from the surface of the sleeper before placing in the testing machine. — Place the...