Length gauge for aggregate in Bangladesh

Description

Length gauge
Length Gauge (Elongation Index BS) – General and Geometric

the function of length gauge
Length gauges are measuring devices used to find the length to a surface from a fixed point. It implements a retractable rod and sensitive contact tip.

 

The test is not applicable to material passing a 6.30mm sieve or retained on a 50.0mm sieve.
Procedure: Carry out a sieve analysis using the sieves shown in
Table 1.
Discard all aggregate retained on the 50.0mm sieve and passing the 6.30mm sieve.
Weigh and store the individual size-fractions in separate trays with sizes marked on the trays.

 

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