Permeability-Falling Head Test – Test Instruments India | Under 1 Roof 1679 Testing Instruments To Chose!

Test Instruments India | Under 1 Roof 1679 Testing Instruments To Chose!

Permeability-Falling Head Test

Permeability-Falling Head Test (SL-GT-030)
As Per IS 2720 (Part XBII)- 1966 BS 1377; EN DD ENV 1997-2;
ASTM D2434;AASHTO T215
Clays and silts are tested using the ‘falling head’ technique. Flow of
water through the specimen is observed by monitoring the rate of
fall of water in the tube. It is essential that soils of very low
permeability are sealed inside the cylinder to prevent seepage along
the sides of the specimen. Before testing, the specimen must be
completely saturated with water as the presence of air will restrict
the flow of water
Specification : 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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