Soil Testing

JMT - 621
RELATIVE DENSITY IS : 2720 XIV
This equipment is used for the determination of the relative density of cohesionless free draining soils and meets the essential requirements of IS 2720(Part-XIV).
Specification: The equipment consists one each of :
Vibratory table, with a cushioned steel vibrating deck about 75cm x 75cm. It has a frequency of approximately 3600 vibrations per minute under a 115kg load. Amplitude is variable in between 0.65mm in steps of 0.05 to 0.25mm, 0.25 to 0.45mm and 0.45 to 0.65mm. Suitable for operation on 415 volts, three phase supply.
Cylindrical metal unit weight mould, 3000 ml capacity.
Guide sleeve with clamp assembly.
Surcharge base plate for mould.
Handle for surcharge base plate.
Surcharge weight. The total weight together with surcharge base plate and handle is equivalent to 140kg/sq.cm. for mould.
Cylindrical metal unit weight mould, 15000ml capacrity.
Surcharge base plate for guide sleeve.
Surcharge weight for cylindrical mould of 15000ml cap.
(Total weight together with the above mould & surcharge weight is equivalent to 140kg/sq.cm.) dial -gauge holder & calibration bar 75c 300mmx 3mm.
Accessories : Dial gauge 0.01mm x 50mm travel. Extension piece 25mm for dial gauge..

JMT - 622
MOISTURE TINS

To determine moisture contents in soil and other material. These are made from aluminium or stainless steel. Sizes available are (a)25mm dia (b) 50mm dia (c) 75mm dia (d) 80mm dia (e) 100mm dia.

JMT - 623
POCKET PENETROMETER
This instrument is used to estimate approximate unconfined compressive strength and the estimation to shear strength of soil. Cohesive soils can also be classified in terms of consistency using this penetrometer. This is a handy and convenient instrument.
Specification: It consists of a light weight barrel assembly with a polished and ground steel loading piston plunger. A direct reading scale is engraved on the piston barrel and indicates load in kg./sq.cm.
A maximum load indicator ring is provided on the penetration plunger. The calibrated spring is heat treated and plated for rust resistance. The brrel diameter is 20mm and the length 150mm. Supplied in storage box..

JMT - 624
PYCNOMETER
Useful to determine specific gravity of clays, sand and gravel of size smaller than 10mm.
Specifications : Comprises a 1kg glass jar with brass cone, locking ring and rubber seal.
Spare : Rubber seal..

JMT - 626
VICKSBERG RENETROMETER
(WITH OPTICAL VIEWER)
Also called proving Ring pentrometer
This s fork determining the bearing capacity of sub-grades or for compaction control. It also used for rapidly determining the penetration resistance of soils in shallow exploration work.
Specification: Consists of a study handle under which is fixed a sensitive proving ring. An extension piece is fixed to the bottom of the proving ring and carries a detachable penetration cone at its tip. Proving ring capacity 100kg.(1KN) and 0.0002 mm dial gauge provided indicates the penetration load applied.
The operator provides an optical viewer to facilitate reading the dial gauge. Simplified for single person operation. A calibration chart is provided for the proving ring. Instrument is complete in a wooden carrying case.

PROCTOR NEEDLES

Proctor needles are used for quick evaluation of maximum soil density in the field. Standard compaction curves showing moisture contents versus densities are drawn in laboratory using standard campaction method and penetration of the proctor needles are correlated. Proctor needles are also known as Proctor penetrometers...

JMT - 627
PROCTOR NEEDLES (SPRING TYPE)
The instrument consists of a needle attached to a spring loaded plunger, the stem of which is calibrated to read 0 to 40kg division. Long stem is graduated at every 12.5mm to read depth of penetration and for use with needles of larger areas. The small penetration stem is also graduated in 12.5mj division and is used with needles of smaller areas. Needle points one each of 0.25, 0.5,1.0,1.5,2.0,3.5 and 6.0sq.cm. and one tommy pin is supplied. Complete as above in a wooden carrying case.

JMT - 628
PROCTOR NEEDLES (HYDRAULIC TYPE)
This is identical to Spring Type , except that the penetration pressure on the needle is conveyed through a hydraulic system to a hydraulic pressure gauge. This system permits a greater control over rate of penetration because of better visibility of load indication.
Specification: Comprises hydraulic proctor needle system complete with a pressure gauge fixed at easily readable Angle reading 0-70kg. x 2 kg. A set of needlepoints consisting one each 0.25, 0.5,1.0,1.5,2.0,3.5, and 6.0 sq.cm. And a Tommy pin. Graduation at every 12.5mm to indicate depth of penetration is marked on longer stem for use with needles of larger areas. Smaller stem is also graduated at every 12.5mm and is used with needles of smaller areas. Complete as above in a wooden carrying case. .

JMT - 629
NORTH DAKOTA CONE IS : 2720 (Part – XXXII)
This test is simpler and more rapid than the C.B.R. test and can be easily applied for institu field test. This was developed by North Dakota Highway Deptt. For use with pavement design method similar to that associated with C.B.R. test.
Specifications :-
The instrument consists of a rod carrying a loading platform at the top and a hardened steel cone at the bottom. The rod is mounted vertically and slides freely up and down in the collars of the frame and can be locked in any position as required. The conical tip penetrates the soil through an aperture in the cast iron base. The loading platform carries a graduated plunger which enters one of the side supprts and permits the reading of the penetration correct to 1 mm.
Supplied with set of weights consists 7 nos. 5 kg. Weights and one hardened steel cone.

JMT - 630
RAPID MOISTURE METER 0.25%
Specifications :-
The unit consists of a pressure vessel with clamp for sealing cap, rubber sealing gasket, pressure gauge calibrated in percentage moisture content 0.25% x 1% on the wet weight basis, a counter poised balance for weighing sample, a scoop for measuring carbide reagent, a bottle of reagent, one cleaning brush and a set of 4 steel balls for thorough mixing. Complete in highly polished wooden carrying case with handle.

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