Permeability Apparatus (Falling Head Permeability): ZI 3026
IS 2720 (PART XVII) 1966.
The apparatus is used for the laboratory determination of permeability of soil using a constant or a variable head. This test is recommended for soils with co-effcient permeability in the range of 0 10-3
cm/sec. The maximum particle size of the soil which can be tested in the mould is 10mm.
The equipment comprises one each :
Gun metal mould, 100mm I.D. x 127.3mm high x 1000ml Volume. Gun metal mould extension collar, 100mm dia x 60mm high for the above mould. Gun metal drainage base plate with a recess for a porous stone.
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