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  • Triaxial Shear Strength
  • Consolidation
  • Unconfined Compressive Strength
  • Direct Shear Strength
  • Permeability
  • California Bearing Ratio (CBR)
  • Geotextile Testing
  • Proctor Compaction / Classification
  • Soil-Cement
  • Load & Displacement Measurement
  • Load Frames
  • Latex Membranes
  • Porous Stones
  • Data Acquisition Software
  • Sample Preparation
  • Aggregates
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  • Sieve Analysis
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    • Home /
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    • Double-Ring Infiltrometer
    Double-Ring Infiltrometer
    Double-Ring Infiltrometer

    Double-Ring Infiltrometer

    4502
    $2,360.00
    • Product ManualProduct Manual
    Meets Standard(s)
    • ASTM D3385
    Double-Ring Infiltrometer10,000mL and 3,000mL Mariotte TubesDouble-Ring InfiltrometerDouble-Ring Infiltrometer
    • Description
    • Specifications
    • Video
    • Questions?

    Double Ring Infiltrometer equipment allows in-place determinations of the rate of infiltration of water in fine-grained surface soils. Used primarily for geotechnical and environmental studies, this unit meets ASTM D3385 requirements and delivers accurate data. Usage includes such studies as irrigation and drainage requirements, reservoir leakage, water spreading and recharge, and other applications.

    The infiltrometer is a simple instrument consisting of two rings. The outer ring and inner ring are used to penetrate the soil concentrically and are then filled with water. Water level is maintained by special Mariotte Tubes (3,000 and 10,000mL capacity), which are included. They can also be purchased separately as additional or replacement items. The infiltration rate can be calculated from the amount of water flowing into the inner ring.

    The two galvanized steel rings are 12 and 24in (305 and 610mm) diameter and 20in (508mm) high. For long service life, the rings have a double-thickness reinforced top edge. The rings are driven into the soil using the special 0.5in (12.7mm) thick aluminum driving cap with centering pins. The hard-alloy aluminum cap also serves as a cover. The 3,000mL and 10,000mL graduated Mariotte Tubes with support stands provide a constant head of water for the test.

    Features:

    • Meets requirements of ASTM D3385
    • Proven method for reliable field test results
    • Rugged galvanized steel and heavy aluminum construction stands up to harsh field conditions

    Included Items:

      • Double-Ring Infiltrometer
        • 12 and 24in (305 and 610mm) galvanized steel rings with fittings
        • Aluminum driving cap / cover
        • 3,000 and 10,000mL Mariotte Tubes with base
        • Two neoprene splash pads
        • 3/8in ID clear vinyl tubing (30ft)
    Accessories:
    • Mariotte Tubes provide a constant head of water for determining infiltration rate of soils. Additional or replacement Mariotte Tubes are available
    Diameter 12 and 24in (305 and 610mm) galvanized steel rings
    Capacity Mariotte Tubes: 3,000 and 10,000ml
    Net Weight

    Outer Ring: 35lb (15.9kg)

    Inner Ring: 18lb (8.2kg)

    3,000ml Mariotte Tube: 18lb (8.2kg)

    5,000ml Mariotte Tube: 25lb (11.3kg)

    Driving Cap (Cover): 25lb (11.3kg)

    Neoprene & Brass Fittings: 1lb (0.5kg)

    Estimated Shipping Weight 175.0lb (79.38kg)

    Please enter your questions/comments and contact information below. A Karol-Warner customer service representative will respond during business hours (8am - 5pm EST, Monday through Friday).


    Common Questions


    What is a Double-Ring Infiltrometer?

    Equipment used for field measurement of the rate of vertical infiltration of fluid (typically water) into soil.

    What does infiltration rate mean?

    Per ASTM D3385infiltration rate is a selected rate based on the measured incremental infiltration velocities of liquid under specified conditions. These conditions include the presence of an excess of liquid.

    Why is testing infiltration rate important?

    Information gathered from measuring infiltration rates can be applied in studying waste disposal, drainage efficiencies, reservoir leakage, irrigation requirements, etc.

    How do you perform the infiltration test?

    The infiltration test is a field test. It is conducted by placing the two concentric rings from the infiltrometer set onto the area of soil to be tested. The outer ring is driven to a depth of approximately six inches (150mm). The inner ring approximately two to four inches (50 – 100mm). Water is poured into both areas. The outer ring ensures blockage of lateral flow. The vertical flow from the inner ring is then measured at various time intervals to calculate the infiltration rate.

    What affects the infiltration rate of water?

    • Structure and layering of the soil
    • Degree of saturation
    • Soil composition
    • Head pressure
    • Temperature of the liquid
    • Placement of the Infiltrometer rings

    Is water infiltration the same as permeability?

    Water infiltration rates and permeability rates are similar, but different measurements. To accurately correlate hydraulic conductivity (soil permeability), you will need:
    • Data on the lateral flow of the water (infiltration measures vertical flow)
    • Hydraulic gradiant
    Accessories
    10,000mL and 	3,000mL Mariotte Tubes

    Mariotte Tubes

    From $570.00
     
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