Shrink / Swell Apparatus

Shrink / Swell Apparatus for the determination of the shrinkage swell index of soils – Shrink / Swell Index.

Complies with AS 1289.7.7.1: 2025

Description

The Geo-Con Shrink / Swell Apparatus is used to measure the shrink/swell index of soils in accordance with AS1289.7.1.1: 2025. The apparatus consists of a consolidation cell, stainless steel cutting ring, two porous plates, loading device, cradle, surcharge and a dial indicator. A 5mm spacer disc for use with sample preparation is available as an accessory. 

The consolidation cell is assembled together with the soil sample within the cutting ring and the upper and lower porous plates. The assembly is placed in the loading device and the initial 5kPa seating pressure is applied by moving the cradle from the holder onto the cell. The specimen is then loaded to 25kPa by placing the surcharge into position on the cradle. The cell is then filled with water. The dial indicator measures the changes in the thickness of the soil specimen.

Main Features

  • Available as a single unit, or as a bank of three units
  • Zinc-plated steel loading device and surcharges
  • Dial Indicator 25 x 0.01 mm
  • Extra strength lightweight polycarbonate consolidation cell
  • Stainless steel cutting ring
  • Sintered bronze porous plates
  • Components available separately
  • 5mm spacer disc available as an accessory (see accessories)

Ordering Information

26-T0300.CON Shrink / Swell Apparatus
26-T0300/1.CON Shrink / Swell Apparatus, 3 Bank

Accessories

26-T0301/1.LOC Shrink/Swell Spacer Disc, 5mm

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