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AZA 1005 SLAKE DURABILITY APPARATUS
Description
ASTM D 4644
AZA 1005 Plake durability apparatus, 220-240 v 50 hz
AZA 1005-A Pair of mesh drums for AZA 1005
This test method has been developed to assess the deterioration of rocks
over a period of time when subjected to water immersion. Slake durability
is a simulated weathering test to determine abrasion resistance during
wetting and drying cycles of shale and similar soft rocks as used in
embankments and other construction-related applications. Samples are
alternately tumbled in mesh drums through a water medium and oven-dried
for two cycles. The percent loss of mass is referred to as the slake durability
index.
The AZA 1005 slake durability apparatus consists of a motorized drive unit which is mounted on a baseplate and which can rotate two or four drums at a speed of 20 r.p.m. The tank assemblies are filled with water to a level 20mm below the drum axis. The test drums are manufactured from 2.00 mm mesh, 140 mm dia. X 100 mm long