HET A.5.1480 - LENGTH GAUGE OR ELONGATION GAUGE - IS : 2386 – I
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LENGTH GAUGE OR ELONGATION GAUGE
The Length Gauge or Elongation index of an aggregate is the percentage by weight of particles whose greatest dimension(length) is less than nine-fifths (1.8 times) of their mean dimensions. This test is not applicable to sizes smaller than 6.3mm.
It consists of a hard wood base with vertically mounted metal studs as specified in the Indian Standard.