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This Rock Slake Durability Apparatus has been developed to assess the durability of rock to weakening and disintegration when subjected to the simulated effects of climatic slaking.
Standard: ASTM D4644
This Rock Slake Durability Apparatus has been developed to assess the durability of rock to weakening and disintegration when subjected to the simulated effects of climatic slaking. 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.
This apparatus provides a means of predicting the durability of rock to weakening and disintegration when subjected to the simulated effects of climatic slaking. The apparatus consists of a motorized drive unit which is mounted on a base plate and which can rotate two or four drum at the same time with a 20 r.p.m. of speed.
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