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Karol-Warner's PERMEABILITY TEST EQUIPMENT meets the most stringent demands of modern-day soil and geotechnical testing, and is designed to ensure efficient, precise, and accurate soil permeability characteristics to be studied when pressure and flow properties are carefully controlled.
ASTM / AASHTO (ASTM D2434 and AASHTO T 215) Constant Head Permeameters determine the permeability of granular soils by the constant head method. The permeameters have anodized aluminum end caps with clear acrylic chambers and are available in a variety of sizes (2.5 to 9in (63.5 to 228.6mm) diameter).
Constant / Falling Head Permeability Test Sets contain the size-specific components needed to determine the permeability of flow through granular soils. The sets include a permeameter, Single-Tube Manometer with Constant Head Reservoir, and Porous Stones or Perforated Plates.
Shelby Tube Permeameters save significant sample preparation time, and are available in numerous diameters (2, 2.5 or 3in (50.8, 63.5 or 76.2mm) diameter tubes) and includes top and bottom assemblies with valves, tie rods, Porous Stones, and O-Rings for samples up to 6in (152.4mm) long.
Compaction Permeameters allow efficient testing of remolded soil samples directly in standard 4 or 6in (102 or 152mm) compaction (Proctor) molds. These units have an aluminum base and top with shutoff valves, steel mold and collar, an air bleed valve, Tubing, Porous Stones, and sealing rings.
Double-Ring Permeameters meet requirements (ASTM D5856) for testing compacted soils in standard 4in (102mm) compaction (Proctor) molds. The unit is available with or without the 4in compaction mold included.
Miniature Permeameter is a compact, multipurpose unit used to conduct constant and falling head permeability tests on both cohesive and non-cohesive soils and include a Single-Tube Manometer with Constant-Head Reservoir, screens, Porous Stones, tubing, and connections.
Soil / Geotextile Permeameter has three acrylic chambers and gradient ratio method (ASTM D5101) for the determination of permeability and clogging characteristics of geotextiles with soil. (Six Manometer Panel and Manometer Control Panel are required to ensure ASTM compliance.)
Karol Warner’s Double-Ring Infiltrometer measures in-place water infiltration into fine-grained soils (ASTM D3385). The rugged unit has stainless steel rings in . The set includes the two stainless steel rings, a thick alloy aluminum driving cap, 3,000 and 10,000ml graduated plastic Mariotte cylinders with support stand, and rubber splash guards.
And finally, the Karol Warner Pinhole Dispersion Apparatus simulates water flow along a crack in a soil sample to detect dispersive characteristics. The apparatus includes a stainless-steel mold, anodized aluminum stand and end caps, constant-head reservoir, tubing, pipet, AND a drilling tool.
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