GeoGage Soil Compaction Gauge
The GeoGauge is a man-portable instrument that provides a simple, rapid and precise means of directly measuring lift stiffness and soil modulus. It also provides an alternative means of measuring soil density. The GeoGauge allows control of the construction process using the same physical parameters with which earthworks are designed. The gauge weighs about 10kg (~22 lb), is 28cm (~11") in diameter, 25.4cm (~10") tall and rests on the soil surface on a ring-shaped footing. It is powered by six disposable D-cell batteries.
Humboldt H-4140
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Hand Compaction Hammers
Manually operated, 2" dia. circular face; guide sleeve has
four vent holes in each end of sleeve to release built-up air
pressure. Machined steel; plated for rust resistance.
Features resilient rubber ball handle.
Meets: ASTM D558, D698; AASHTO T99, T180
U.S. Army Corps of Engineers Compaction Hammer
With 2" dia. tamping face, hammer is guided on shaft
instead of a sleeve. Length of drop is slightly adjustable.
Foot assembly has recoil mechanism to reduce impact
fatigue on parts. Tamping face is removable and
replaceable.
Meets: EM1110-2-1907 H-4173
Humboldt H-4170 & H-4173
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Gilson HM-551 & HM-555
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Clegg Impact Soil Tester
Clegg impact soil tester, “Standard”, 4.5kg hammer. Tests full range of
soils encountered in road base surfaces, soil compaction, flexible
pavements, and earthworks. Ideal for quick checking and determining
variations during construction, especially when quality assurance
procedures are used.
Humboldt H-4190
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Gilson HM-702
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California 216 Mechanical Soil Compactor
California 216 Mechanical Soil Compactor automatically counts the number of hammer blows and shuts off when a preset number is reached. The sample mold indexes to a new position with each count to assure uniform compacting with the assurance of mechanical reproducibility. The hammer lift compensates for sample drop during compaction and results in low overall machine height to permit benchtop use. The free-fall hammer has weight concentrated at the foot.
Digital automatic counter with start/stop switching. Overall dimensions: 12.5x29.5x56" (318x749x1422mm), WxDxH. Model for California Method 216 is supplied with 2" round 10 lb hammer. Required piston and rod are included as parts of the machine.
Humboldt H-4169
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Gilson HM-531
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Automatic Soil Processor
ASTM and AASHTO specifications for moisture-density relationships (Proctor) and other tests often require large amounts of processed soil. A great deal of time and labor is spent in a typical soils lab breaking down and preparing these samples. The pneumatically operated HM-540 Automatic Soil Processor greatly reduces these efforts and allows technicians to focus on more productive tasks. Up to 40 lb (18.1 kg) of cohesive soil can be processed through the replaceable #4 screen in 15 minutes into our standard SC-3 pan, described elsewhere. Soil sample is placed on lower #4 screen and weighted cover is closed. When activated, the sample is moved laterally against the upper screen. Processor automatically shuts off when lid is within 1/4" (6.4mm) of screen, signaling completion of processing cycle. The Automatic Soil Processor does not grind or destroy integrity of soil particles.
Gilson HM-540
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Proctor Penetrometer
The Proctor Penetrometer is used for determining the penetration resistance of
fine-grained soils. The unit consists of a special calibrated spring dynamometer
with a pressure-indicating scale on the stem of the handle.The pressure scale is
calibrated to 100 lbs. by 1 lb. subdivisions.There is a major division located at each
10 lb. interval. A sliding ring on the stem indicates the maximum load obtained
during the test.
Humboldt H-4139
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Gilson HM-560
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Voluvessel
Voluvessel utilizes a liquid-filled balloon to measure hole volume after removal of soil sample. In-place density is computed easily on wet or dry basis by dividing weight of removed sample by measured volume. Method is not suitable for very soft soils that deform under slight pressure or in a hole which will not maintain constant volume. Before and after the water-filled balloon is pumped into the test hole, volume is read on the double-graduated scale on the high strength clear plastic cylinder. Min. graduations are .00025ft3 or 7cm3.
Select Voluvessel model by capacity needed to meet ASTM D 2167, depending on topsize of soil particles. An integral gauge is provided for controlling pressure during voluvessel calibration and testing. Each also includes pressure/vacuum pump assembly, quick coupler, valve, double-graduated cylinder, density plate, and 10 balloons.
Humboldt H-4167
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Gilson HM-66
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Sand Cone Density
The sand cone density test is an inexpensive method of determining in-place density of soils having maximum particle sizes up to 2" (51mm) using test hole volumes of approximately 0.1ft3 (2.8 liters).
Basic Model Gilson HM-100 apparatus consists of 1-gal. (3.8 liter) threaded plastic jar with detachable brass double cone fitting. Fitting is threaded on one end, flanged to 6-1/2" (165mm) on the other, with a brass cylindrical valve of 1/2" (12.7mm) diam. orifice between ends. Valve has stops to prevent rotating past completely open or closed positions.
Model Gilson HM-104 Density Plate is 12x12" (305x305mm) aluminum alloy with 1/2" (12.7mm) high edge walls to contain soil sample that is dug using 6-1/2" (165mm) center hole of plate as a guide. After test hole is prepared, flange of cone fits plate opening for filling hole with special Density Sand.
Humboldt H-4245
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Gilson HM-100
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