For determining the liquid limit of soils. This is specially useful to obtain valuable and accurate results for those soils (alluvial) which are sandy and for which the liquid limit falls below 25 or so and plasticity index between 4 and 7, but is also applicable for a wide range of soils. It meets the requirements of IS-2720 Part V and consists of a cone fixed to a bearing rod. A graduated scale is fixed to the bracket. Complete with container.

IS-2720 (Part XXIX) Consists of a cylindrical core cutter of a seamless tube,  10 cm internal diameter, and 130 mm long, a dolly with lip to enable it to be located on the core cutter, and a rammer with steel rod.

10 CM-BIS 2720 (PART XXVII) Consists  of  a sand pouring  cylinder, fitted with conical funnel and shutter, one cylindrical container 10 cm dia and 15 cm depth  and a square  tray of 30cm x 30cm with central hole of 10cm dia .

Meets the requirements of IS 2720 Part V and consists of a brass bowl held on an a rubber of standard hardness by can action. Rubber feet are provided to eliminate rocking while operating. Complete with one ASTM Grooving tool and height gauge.
LIQUID LIMIT DEVICE With a counter
same as above, but fitted with a counter to register the number of blows.
LIQUID LIMIT DEVICE Motorized
approximately .Same as above, but fitted with a motor geared down to give 120 rpm

IS-2720 (Part VII) It consist of a compaction Mould 100 mm DIA. X 127.3 mm height X  1000 cc volume complete with collar and base plate all steel construction.
Rammer 2.6 kg X 310 mm controlled fall through a guide tube.
Rammer 4.89 kg X 450 mm controlled fall for heavy compaction test as per IS-2720 Part VIII.

This is identical to spring type Proctor needle except the penetration pressure on the needle is conveyed through a hydraulic pressure gauge 0-70 kg  X 1kg. This system permits a greater control over the rate of penetration because of a better visibility of a load indication.It consists of a body of a bellow housing casing pipe, pressure gauge, Handles, 2 off. Small stem, graduated at 12.5 mm intervals to indicate the depth of penetration and to use  needle in smaller areas. One needle point set comprising one each of 0.25, 0.5, 1, 1.5, 2, 3, and 5 sq. cm. Tommy pin. Complete as above in a wooden carrying case.

It consist of a body housing a spring plunger calibrated to read 70kg X 1kg and a handle. Long stem, graduated at 12.5 mm interval to indicate to the depth of penetration and for use with needles of larger areas. Small stem, graduated at 12.5 mm intervals, to indicate the depth of penetration and for use with needles of smaller areas. One needle point set comprising one each of 0.25, 0.5, 1, 1.5, 2, 3, 5 and 6 sq cm. cross sectional area. Complete as above in a wooden carrying case.

This is for determining the bearing capacity of sub-grade soils or for compaction control and meets the requirement of ASTM D-420. Consists of a sturdy handle under which is fixed a sensitive proving ring. An extension piece is fixed on to the bottom of the proving ring and carries the detachable penetration cone at its tip. Proving ring capacity  is 130 kg and the .002 mm dial indicator  is  provided, indicates the penetration load applied with a sensitivity of approx. 1/2 kg. division. A calibration chart is provided for the proving ring. Instrument is complete in wooden carrying case.

Comprises a 2 ibs. glass jar with metal cone, locking ring and rubber seal.

For quick determination of moisture content of materials in powder from i.e. soil sand, coal, pottery, ganister, cement etc. A weighed quantity of the substance under test is placed in the body of the tester together with a measured quantity of absorbent and the tester is then sealed and shaken vigorously thereby bringing the sample and the absorbent into intimate contact. The pressure of gas liberated by interaction of moisture in the sample and absorbent actuates the gauge which is directly graduated in percentage moisture on the wet weight basis. A conversion chart is provided for converting percentage moisture content on the wet weight basis to percentage moisture on the dry weight basis.
The unit consists of a pressure vessel with clamp for sealing cap rubber sealing gasket, dial gauge calibrated in percentage moisture content to 25 % on the wet weight basis, counter poised balance for weighing sample, scoop for measuring absorbent, bottle of absorbent, cleaning brush. Complete in wooden carrying case with handle.
The Unit can be used to determine percentage moisture contents on the wet weight basis up to 25% which is equal to 33.3% moisture content on the dry weight basis.

Hand Operated
This is light, portable but sturdy sieve shaker suitable for bench mounting. The side to side movement to he carrier which can take up to 7 sieves of 15 cm or 20 cm diameter is through a train of gears operated by a hand wheel. A heavy fly wheel ensures smooth operation. Supplied without sieves, lid and receiver.
Motorised
Carries up to 7 sieves of 20 cm diameter. The shaker is driven by a 1/4 hp. electric motor through a reduction gear. The sieve table does not rotable but is inclined from the vertical axis and the direction changes progressively in the clockwise direction. By removal of a stop-pin fixed to below the table, the shaker can have a rotatory motion. In addition to the gyratory motion of the table, there is an upward and downward movement ensuring that each square cm of the sieve is utilized. The whole gear mechanism runs in an oil bath.
Suitable for operation on 230 volts, 50 cycles, single phase, AC supply- Supplied without sieves, lid and receiver and time switch.
Optional Extras :
Adaptor for 30 cm diameter sieves.
Time switch, 0-60, min. graduations.

Sieves 20 cm dia are fabricated out of spun brass, without joint frame, double folded bottom, having beading at top, tightly fitting with each other (Endcott pattern), with brass wire mesh, our own brand. Three series are normally available : BSS / ASTM / ISS.

Meets the requirements of IS-2720part IV. Electric, high speed, for mechanical determination of sedimentation analysis, comprising of an electric motor, fitted to a stand, with stirring blade, cup and baffle. Supplied complete with cable and plug.

Unit consists of Steel Bearing Plates 25 mm thick of 75, 60, 45 and 30 cm dia Plain and Chequrred. Bridge support complete with two dial guage clamps.Hydraulic Jack 50/tonnes capacity complete with 2 meter steel pipe connection with separate pump and pressure guage.Ball and socket for the jack.Load Truss complete with four soil anchors and working collors. Capacity 20 and 30 ton.Dial guage .01 mm least count.

The apparatus comprises of the following :-
Loading Unit:- Vertical load, capacity 8 kg/sq. cm. Load is applied either directly or through a counter balanced detachable lever. Provision is made for the load for the applied either througe a steel ball recessed in the loading pad or directly through a base of the loading yoke. shear load capacity 400 kg.

Direct shear box for square specimen size 60X60X25 mm complete with one base plate, two plane gripper plates, porous stones and one loading pad. shear box housing,complete with two ball roller strips. Specimen cutter for 60X60X25 mm specimen.

The apparatus has been developed on the basis of the design of British Building Reasearch Station by L.F. Cooling and H.Q. Golder. It is a simple and portable apparatus and is used in both laboratory and field for testing unconfined compressive strength of undisturbed specimen of cohesive non-fissured soils taken from a bore hole, a trial pit on opan excavation. A specimen of 38 mm dia x 76 mm long is placed in between two plates and the load is applied by means of hand operated lead screw which expands a calibrated spring. The load deformation curve is plotted autographically by a recording pencil moving across the chart. Strength figurs can be determinated from the completed chart by super imposing a specially calibrated transparent mask over the chart.

The apparatus is light weight, portable but sturdy, bench type and can be used in the laboratory, field and also in a mobile laboratory. Specimens of size 38, 50, 75 and 100 mm dia can be tested.

This is for evaluating the strength of soil on field exploration or construction site and in the preliminary laboratory studies.It gives directly the unconfined strength. 

The apparatus designed for conducting in situ vane shear test from bottom of bore hole in saturated cohesive deposite for determining their in place shearing resistance.

This is for determining the shear strength of both remoulded and undistrubed soils. It consists of a torque head adjustable in height to enable the vane to be lowered into the specimen. Rotation of the vane is by mean of a hand wheel which operates a worm gear arrangement turning the upper end of a calibreted torsion spring. Two rates of rotation are incorporated. The vane shaft is attached through the hollow upper shaft to a reset table pointer, Which indicates the angle of torque on dial graduated is degree. The dial reading multiplied by spring factor gives the troque. A container is also supplied. Complete with a set of springs,one each of approx. 2 kg. cm., 4kg.cm., 6 kg cm and 8 kg.cm.

It is designed to determine the swelling pressure developed by a soil specimen moulded to desired densities at known moisture contents, when soaked in water.
The load applied to restrain the swelling is transfered to a load measuring proving ring through a perforated swell plate and a load transitor bar. The proving ring is attached to the lead screw of load frame, hand operated, designed for the purpose. The load frame has a worm gear arrangement for initial setting and for subsequent volume change compensation. A soaking tank is provided for saturating the specimen and the base of the mould has channeis and radial grooves with connecting holes.

This unit consists of a cabinet which houses the gear system and motor mounted on a sturdy angle iron base. The loading is done through the bottom loading plate which is carried on a lead screw. The advancement of this lead screw is secured against rotating by a sliding key. The top bracket is adjustable in height and carries a hexagonal adaptor for taking standard proving rings. The instrument is fitted with a motor operation on 220/230 volts, single phase, 50 cycles A.C. supply.

This is for evaluating the strength of soil on field exploration or construction site and in the preliminary laboratory studies.It gives directly the unconfined strength. 

This is a light weight but sturdy load frame designed for application of penetration load in Laboratory or field CBR tests on soils, and compressive loads in triaxial shear test.
It is designed for a maximum load upto 5000 kg. And consists of a two speed screw jack mounted in a frame and with identical top and base channel pieces so that the unit can be placed either way up and the device can be used for loading from above or from below which ever is convenient.

This load frame gives a choice of thirty constant rates of strain from a maximum of 0.25 in./min., to 0.0000192 in./min. This can be used whenever there is a requirements of these different strain rates with a maximum load capacity of 5 tonnes. For the research work it is really invaluable. The unit consists of a cabinet which houses the gear system and motor with sturdy angle iron frame. This loading is done through the bottom of loading platan which is carried on a lead screw which advances upwards. The top load bracket which slides over two upright pillars can be positioned at any desired height and locked. It carries hexagonal screw adotptor for standard proving rings. Suitable for operation on 220 volts, 50 cycles, single phase, A.C. supply.

Sampling Auger outfit. Post-holed auger. Complete with 1 meter rod, tee piece, and handle head size 3", 4" and 6" dia.
Sampling Augers outfit-screw type auger, complete with 1 meter rod, tee piece, and handle head size 2", 3" dia. Extension rod 1 meter with end couplings.

The sampler is used in soil exploration used for determining the penetration (N Value) for soil by giving a number of blows with a given weight falling through a given distance and by measuring the length of penetration at different depths.
It meets the requirements of IS-2131 and is made from a tube split length wise and held together by a head fitted with a ball check valve, and a hardened steel shoe. The sampler is 50.8 mm in outer diameter and has an inside cutting edge of 35 mm. After it is forced into the soil by ramming and withdrawn from the hole, the shoe and head are unscrewed, and the sampler open like a book.

Highly useful for sampling cohesionless soils. Consists of a split tube accommodation ten thin brass rings 2.5 inch diameter, 1 inch high. A shoe with hardened cutting edge is screwed at one end. A driving head with ball check valve is fitted at the other end. The flap mounted inside the cutting shoe prevent the cohesionless soil falling down while lifting the sampler. The rings with sample can be mounted directly on a consolidation cell assembly.

The extractor frame has been designed to extract specimens from almost every type of sampling tube, mould in general use in soil engineering laboratory or in the field. This has the advantage that it can be mounted vertically or horizontally as desired. Three 1 1/2 inch diameter samples can be collected into three 1 1/2 inch diameter tubes from one 4 inch dia sample. This is a unique feature which ensures the economic use of the sample in an undisturbed state.

It is used to prepare specimens of various diameters for triaxial and unconfined compression tests. The apparatus is of cabinet type enclosing the motor coupled to a gear system with lead screw speeds as 1/32 and 1/16 in/min.
Speed of disc : 24 R.P.M.
To run on 220/230 volts, 50 cycles, A.C. supply.
Gripper plates for 38 mm dia, 50 mm dia, 75 mm dia and 100 mm dia.

The Rotap Shaker is durably constructed and is run by a 1/4 H.P. electric motor. Running parts operated under oil. Machine is easily installed. No foundations are required. It reproduces circular and tapping motion with a uniform mechanical action. It ensures accurate and comparable results with uniformity not obtainable in sand testing. It can accommodate 6/7 full height with one set of lid and pan 20 cm dia sieves.
Time switch 0/60 minutes for use with the sieve shaker.

This is used for determining the proportion of water stable aggregates in soils, particularly for agricultural purposes. It is based on a design by Yodar

Consisting of :

(i) Split Spoon Sampler as detailed under SI. No. SS 39.

This is for evaluating the strength of soil on field exploration or construction site and in the preliminary laboratory studies.It gives directly the unconfined strength. 

This is for evaluating the strength of soil on field exploration or construction site and in the preliminary laboratory studies.It gives directly the unconfined strength. 

This is for evaluating the strength of soil on field exploration or construction site and in the preliminary laboratory studies.It gives directly the unconfined strength. 

This is for evaluating the strength of soil on field exploration or construction site and in the preliminary laboratory studies.It gives directly the unconfined strength. 

This is for evaluating the strength of soil on field exploration or construction site and in the preliminary laboratory studies.It gives directly the unconfined strength. 

This is for evaluating the strength of soil on field exploration or construction site and in the preliminary laboratory studies.It gives directly the unconfined strength.