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ASTM D-4829; California UBC 29-2. Completely self-contained and compact design. Accurate to 0.0001" (0.002 mm). Testing time of 24 hours or less on cured soil specimens. The Expansion Index Test Apparatus is a completely self-contained apparatus designed for use in determining the expansion index of soils. Using the new consolidation apparatus, contractors and laboratory technicians […]
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ASTM D-4829; California UBC 29-2.
The Expansion Index Test Apparatus is a completely self-contained apparatus designed for use in determining the expansion index of soils. Using the new consolidation apparatus, contractors and laboratory technicians can conduct an expansion test on a cured soil specimen in 24 hours or less.
The apparatus is designed to control all of the variables that influence the expansive characteristics of a particular soil while still performing a practical test for general engineering use.
The unit consists of a cast aluminum base and collar, stainless steel specimen ring, porous stones, dial indicator, and a 12.6 lb. (5.7 kg) loading weight.
| Base and Collar | Cast aluminum construction; brass hold-down rods |
| Specimen Ring | Stainless steel; 4″ i.d. x 1″ h. (101.6 x 25.4 mm) |
| Porous Stones | 4″ diam. x 1/2″ thick (101.4 x 12.7 mm) |
| Loading Weight. | Brass; 12.6 lbs. (5.7 kg). |
| Dial Indicator | EI25-0380: 0.3″ range x 0.0001″ graduations. EI25-0385: 8 mm range x 0.002 mm graduations |
| Test Duration | 24 hours or less on cured sample |
| Dimensions | 6″ diam. x 11″ h. (152 x 279 mm). |
| Weight. | Net 18 lbs. (8.2 kg). |
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