Confirm the rate of loading CBR machine by using apparatus Dial gauge (0.01 mm) & stop watch.
Dial gauge use as penetrate plunger in mm. when dial gauge indicates complete one round read 1 mm , but completely 1.25 mm when indicator arrow completed 1 round and 0.25 mm in one minute
as per IS 2720 part 16 CBR MACHINE rate of loading 1.25 mm per minute.
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19 авг 2024