Soil permeability apparatus Description and Specifications for Lab Tenders
Soil permeability apparatus Use: for determination of constant and or
falling head permeability of soils.
Standard:
· BS 1377, ASTM 46-47, D-2434 - AASHTO T-215
Specifications:
· Specimen Size. 63.5 x 63.5 mm (2-1/2" diam. x 2-1/2" l. max.) when using lower chamber only; 63.5 x 140 mm (2-1/2" diam. x 5-1/2" l. max.) when using both lower and extension chambers.
· Chamber Clear lucite; 6.3 mm (1/4") wall; two sections.
· Base. Cast aluminium.
· Top Seal. Plated steel with gaskets.
· Porous Stones. Mounts at top and bottom; 62.7 x 12.7mm (2.47" diam. x 1/2" thick); 105-120 permeability rating; 300 micron, average pore size.
· Constant Head. Plastic; funnel reservoir; 55 cm maximum head.
· Falling Head. Graduated pipette; 100 cc x 0.2 cc; 100 cm. maximum head.
· Weight. Net 11 lbs. (5 kg)
Part specifications
a) Constant head tank (cell)
· Tank. 1000 cc. capacity, Clear acrylic with regulating valve.
· Other Components. Wall mount, tubing and saddle valve.
Weight. Net 3.6 kg (8 lbs.).
b) Compaction Permeameter
· Mould. Machined seamless steel tubing; plated.
· Capacity. 101.6 Internal Diam (ID) x 116.4 mm.
152.4ID x 177.8 mm.
· Collar. 50.8H mm; machined seamless steel tubing; fits either end. of mould; plated.
· Top. Cast aluminium; with overflow valve assembly and water connection.
· Base. Cast aluminium; with inlet/outlet fitting.
· Porous Stone. 101.6 diam x 12.7 mm thick.
diam. x thick (150.8 x 12.7 mm). 50-70 permeability rating; 225 micron, average pore size.
· Weights. Net 5.4 kg. (12 lbs).
Net 10.9 kg. (24 lbs).
Accessories: A porous stone filter, manometers required to measure top and bottom head pressures during permeability testing.