Concrete Testing Equipments

Product Details:

This machine is quite useful on field Laboratories or mobile testing laboratories or Vans which frequently change site or location. It is particularly useful where constant and consistent Electric power is not available. The load is applied manually and observed on a Pressure gauge. The Pressure Gauge has maximum load indicator which stand still even after the specimen under test crushes and has to be set to zero manually.

Salient Features

• High Stability
• Self-aligning platen assembly.
• Gauges are calibrated in Kilo Newton against certified Proving Ring.
• Suitable for testing cubes of various sizes
• Using special platens, bricks also can be tested.
• Hard chrome plated piston with new type of long life oil seal.
• Four Pillar Model - superior in design, reliability and accuracy
• Practically no welded parts, all joints reinforced with heavy nut/bolt to withstand occasional over loading and to ensure center loading.
• Rounded Corners – add to elegance and safeguard against injury
• Hardened and grinded platens with guide lines for placing sample for Testing

Optional Accessories (at extra cost)

• Spare Oil Seal
• Brick Testing Attachment
• Hydraulic Oil (Tin of 5 Liters)

Product Details:

Cubes of fresh concrete are made to test a variety of properties on the eventually cured and hardened concrete. Fresh concrete is subjected to a standard compaction regime in the cube mould and is then normally initially cured under specific laboratory conditions. The moulds are manufactured, subject to tight dimensional, hardness, square ness and surface finish requirements.

General Description Specifications

Complete with base plate. The faces of the mould are machined flat to +/- 0.02mm accuracy and finished to within +/- 0.2mm of specified dimensions. Material for construction of moulds is Cast Iron or Mild steel. The moulds are stout enough to prevent distortion and facilitate the removal of the moulded specimen without damage. The Moulds are so machined that when they are assembled ready for use, the dimensions and internal faces are accurate within the specified limits. Internal faces of the moulds are smooth.

The base plate is attached to the mould by cleats .The parts of the mould, when assembled, are positively and rigidly held together during filling, subsequent handling and vibration where applicable.

SIZES AVAILABLE : 50MM/ 100MM/ 150MM

OPTIONAL ACCESSORIES

SPANNER FOR DEMOULDING AND MOULDING,
TAMPING ROD WITH SAUQRE FACE.

Additional Information:

• Pay Mode Terms: D/A,Other
• Port of Dispatch: transport
• Delivery Time: ready stock
• Packaging Details: without packing

Product Details:

The strength of concrete is generally estimated after 28 days by crushing field test cubes or cylinders made from the representative concrete used for the structure. The utility of ascertaining strength after 28 days is often questioned since by this time considerable concrete would have been placed and work may have progressed. It is then rather too late for remedial measures. It is therefore of tremendous advantage to predict 28 days strength within a few hours of casting the concrete so that, we have a good idea about the strength of the concrete.

The rate of gain of strength of concrete depends on the reaction rate of cement and additions with water (Hydration). In common with all chemical reactions, the rate of reaction depends on reaction of temp. Higher reaction temperature gives higher rate of reaction e.g. the concrete gains strength more rapidly when its temp. is higher. Accelerated curing is the process by which the temperature of the concrete is raised artificially by applying external heat to speed up the rate of gain in strength.

The test method covers procedures for curing test specimens of concrete stored under conditions intended to accelerate the development of strength. The procedures are: Procedure A- Warm Water Method, Procedure B-Boiling Water Method

General Descripation & Specifications

Accelerated Curing Tank having capacity to accommodate 6/12/18 Concrete Cubes of 150mm size with a facility for accelerated curing by Boiling water method up to temperature range : 100 +/- 2 deg.C as per IS standard IS : 9013. Also it will have capacity for curing by warm water method at temperature 55 +/- 2 deg.C

Tank will consist of a rectangular double walled metal cabinet, inside lined with stainless steel, outer powder coated. Easily replaceable high Wattage heaters are mounted in side the chamber. A slow speed stirrer is provided to circulate water inside the chamber to maintain the uniform temperature of water. A strong stainless steel perforated platform is provided for keeping the cubes and also have a lid with lifting handle to cover the chamber.

The temperature is indicated and controlled by a DIGITAL auto tuning PID Temp. Controller with soak timer to control the duration of heating and then to shut down the system without manual attendance. The front panel will have power supply indicating lamp, control action indication lamp and one main switch. Suitable for operation on 220 V, 50 Hz single phase, AC supply or 440 V 50 Hz, three phase AC supply, for bigger size of curing tank.

Optional Accessories

Rubber hand Gloves. Spare Heaters. Low water Level cut off device to safeguard heaters against low water level burn out In built refrigeration system for curing at 27 deg C

Also Available

Accelerated Curing Autoclave : By Steam Pressure

Accelerated Curing Drier : By Dry Heat

Product Details:

Air content of fresh concrete is normally measured, by the use of a special air meter, to assess whether the concrete contains the required amount of air. This would be measured when air’s entrapment or entrainment is required by the concrete design. The method uses the principle of replacing the air in a known volume of concrete with water, the volume of which can then be measured.

General Descripation & Specifications

The apparatus consists of a pressure tight flanged cylindrical measuring bowl of specified volume in accordance with size of aggregate to be tested. The bowl is fitted with a removable flanged conical cover assembly with the help of a airtight sealing gasket. The conical cover has an air valve and a pet cock for bleeding off the water. A transparent cylindrical stand pipe, which is graduated in air content, is fixed to the conical cover assembly.

Pressure is applied to the specimen with the help of pressure bulb and the pressure is recorded on the pressure gauge which is mounted on the stand pipe. The whole assembly is mounted on a flat base.

Standard Accessories :

Calibration cylinder with spring clamp,Trowel,Tamping rod,Straight edge,Rubber mallet andmeasure. – 1 No. each

Product Details:

The compaction factor is defined as the ratio of the mass of the concrete compacted in the compaction factor apparatus to the mass of the fully compacted concrete. It involves dropping a volume of concrete from one hopper to another and measuring the volume of concrete in the final hopper to that of a fully compacted volume. The results of the compaction factor test can be correlated to slump, although the relationship is not linear. This test is difficult to run in the field and is not practical for large aggregates (over 1 inch) Compared to the slump test, the apparatus is bulky and a balance is required to perform measurements.

General Descripation Specifications

TThe apparatus, consist of a rigid frame that supports two conical hoppers vertically aligned above each other and mounted above a cylinder. The top hopper is slightly larger than the bottom hopper, while the cylinder is smaller in volume than both hoppers. To perform the test, the top hopper is filled with concrete but not compacted. The door on the bottom of the top hopper is opened and the concrete is allowed to drop into the lower hopper. Once all of the concrete has fallen from the top hopper, the door on the lower hopper is opened to allow the concrete to fall to the bottom cylinder. The excess concrete is carefully struck off the top of the cylinder and the mass of the concrete in the cylinder is recorded. This mass is compared to the mass of fully compacted concrete in the same cylinder achieved with hand rodding or vibration. Complete with trowel and tamping bar 0-60 cms long X 16mm dia.

Optional Accessories:

• Concrete Scoop
• Straight Edge
• Weighing Balance

Product Details:

The digital compression testing machine has been designed to meet the need for a simple, economic and reliable means to test concrete for its compressive strength. The design expressive of simplicity, both of construction and operation, makes the machine easy to use and maintain. The unit is compact, making it useful for site and Laboratory applications. The digital machines are provided with a pace rate controller, to enable maintain a constant of loading.

Features

• High stability four column load frame
• Each frame tested for stability and alignment to avoid tension failure during a test and to ensure centre loading
• Standard Platens for 3 X 6”/ 4 X 8” and 6 X 12” cylinders included.
• A precise large diameter spherical upper platen for optimum results
• Variety of optional accessories for cubes, blocks, bricks and flexure test available
• Motorized hydraulic power pack or pumping unit with rapid approach and automatic overload protection
• Comes standard with safety Guards on all four sides.

Product Details:

This test is used to determine the compressive strength of a concrete cube, which has usually been made from fresh concrete cast in a standard test mould. The value of compressive strength can then be used to assess whether the batch that the concrete cube represents meets the required compressive strength. Following cube manufacture and curing, which should both be closely controlled, the cube is crushed at a stated constant speed until it can sustain no further increase in load. The strength is then derived by calculation using the maximum load and cube dimensions.

The machine embodies an hydraulic system designed to meet the requirements of Indian standards Specification 516-1959 for compression tests on concrete cubes up to 20 cm X 20 cm X 20 cm. and also concrete cylinders up to 30 cm height. Using special platens and fixture, Brick testing and flexural testing can also be carried out on the same machine.

Features

• Hard chrome plated piston with new type of long life oil seal.
• Four Pillar Model - superior in design, reliability and accuracy
• Practically no welded parts, all joints reinforced with heavy nut/bolt to withstand occasional over loading and to ensure center loading.
• Rounded Corners – add to elegance and safeguard against injury
• Hardened and grinded platens with guide lines for placing sample for testing
• Accurately calibrated dial gauge

Product Details:

A concrete mixer is a device that homogeneously combines cement, aggregate such as sand or gravel, and water to form concrete. The mixer uses a revolving drum to mix the components. Uniform and thoroughly mixed batches can be produced in field or Laboratory. Inevitable for Mix design formulation.

General Descriptions Specifications

The Concrete Mixers are available in two versions for Laboratory or field use. The field models are hand operated. This portable concrete mixer has rubber tyred wheelsand a towing tongue so that it can be towed and moved around by hand. Its rotationis powered by single-phase electric motor or by hand . The lever allows the concrete to be tipped into a wheel-barrowor mixing pan. The driving shaft is mounted on sealed ball bearing The counter balanced drum swivels and tilt 360??? for easy and complete discharge.

Specifications Optional Accessories

Wheel Barrow, Mixing Pan, concrete Scoop.

Product Details:

This test is used to determine the elapsed time between batching of a concrete sample and when it is deemed by standard methods to have set. The method involves measuring the penetration resistance of a test sample, which has had coarse particles removed at periodic intervals. It is particularly useful, in determining the effect on setting time of admixtures in the concrete, where these may have been introduced specifically to increase the setting time.

It consists of cylindrical spring housing with a plunger attached to the top of the spring. Penetration needle is attached to the other end of the spring housing. The plunger is graduated in 1 kg divisions, to a maximum capacity of 60kg, which can be read with respect to the top end of the spring housing. A set of six needle points with areas of 645, 323, 161, 65, 32 and 16mm2 are provided. Supplied complete in a wooden carrying case.

Pocket Penetrometer

Consists of a needle having face area 3/10 sq.cm. and graduated at a distance of 25mm. The needles point is an integral part of barrel which houses a calibrated spring. The spring is confined in a sleeve. The resistance offered by the concrete mortar is shown on the direct reading scale with a marker ring which holds its position when released. Scale range is 0-50 kg/cm2 when the penetration resistance reaches a value of 35kg/cm2 the concrete is assumed initially set. Supplied complete in a leather carrying case. AS PER ASTM C-403

Product Details:

A concrete structure is considered to be of adequate durability if it performs in accordance with its intended level of functionality and serviceability over an expected or predicted life cycle. Concrete durability depends largely on the ease (or difficulty) with which fluids (water, carbon dioxide, oxygen) in the form of liquid or gas can migrate through the hardened concrete mass. Concrete is a porous material. Therefore, moisture movement can occur by flow, diffusion, or sorption. We are concerned with all three, but generally the overall potential for moisture in concrete by these three modes is referred to as its permeability.

General Description Specifications

The set up consist of permeability cell, water reservoir and pressure lines, with glass bottles.

Permeability Cell

Consists of a metal cylinder with a ledge at the bottom for retaining the specimen, a flange at the top, removable cover plate and a funnel. A rubber gasket is seated in matching grooves, between the cell and the cover plate, to render the joint water tight. Internal working size of the cell will be 100mm dia X 100mm hight.

Water Reservoir

Consists of a length of metal pipe, 50 to 100 mm in diameter and about 500 mm long. The reservoir fitted with a graduated side arm gauge-glass for admitting water and compressed air and a cock for drainage, bleeding and connection to the permeability cell.

Product Details:

Often, existing concrete structures will need to be examined and tested to ensure the concrete remains of adequate strength and durability. Rebound hammer surveys can be conducted to provide a rough estimate of concrete strength, where it is not possible to determine this by more accurate means such as core extraction and testing.

The test involves using a special rebound hammer, which measures the recoil of a piston against the concrete surface when a standard force is applied. This recoil can then be correlated approximately to concrete strength.

General Description Specifications

The rebound hammer consists of a barrel in which is housed a hammer mass attached to an impact spring which slides on a guide bar. A plunger is attached to the guide bar which is pressed against the surface to be tested. As the piston is pressed against the surface to be tested, on reaching the compressive strength, the hammer mass is released and rebounds to a certain extent, according to the strength of the surface, which is indicated by a rider on a calibrated scale. A lock button fixed on the body of the hammer lock the rider in place and the rider can be reset to zero Position by using the same button. The equivalent compressive strength can be computed from the chart supplied. It is suitable for specimen of compressive strengths 100-700Kg/cm. The instrument, complete with a grinding stone for polishing the test surface, is supplied in carrying case.

Product Details:

Temperature of concrete at the time of placement is important to control and to avoid many possible difficulties. In hot climates, it is important to measure the temperature of the fresh concrete to ensure it is not too hot, which could cause flash setting and rapidly reducing workability. Measurements are generally taken at the point of placement.

General Description Specifications

The Concrete Thermometers are available in following types.

• Mercury in Glass type or Alcohol in Glass type
• Dial type
• Digital type.

Product Details:

• • 10cm x 20cm Made of Cast Iron – with base plate
  • 15cm x 30cm Made of Cast Iron - with base plate

Product Details:

The unit consists of two movable frames pivoted at one end. The lateral extensometer is fixed to the specimen with the help of tightening screws. The lateral extension is indicated on a dial gauge of 0.002 mm x 12 mm travel. The extension is magnified 2.5 times and the dial gauge readings are to be divided by 2.5 to get the exact readings. A spacer strip is provided to initially set the dial gauge and can be removed after initial setting. Supplied in a wooden carrying case.

Product Details:

Although generally not such an important property of concrete than compressive strength, tensile strength values are often important to know when the concrete used free of reinforcement and may be subjected to some tensile force. The test method essentially involves applying a load at the centre of a beam of concrete supported at its ends. The load required to break the specimen is then recorded.

Salient Features:

The machine consists of a motorized load frame. The lower platen has two rollers, the distance between which is adjustable. For 150 mm x 150 mm x 700 mm beam, the centre distance between the rollers is 600 mm, while it is 400 mm for beams of size 100 mm x 100 mm x 500 mm. The upper platen has also a pair of rollers whose distance adjustable. It is 200 mm centre to centre, for 150 mm x 150 mm x 700 mm size beam and 133 mm for 100 mm x 100 mm x 500 mm size beam. Total capacity of the machine is 100 KN. 150mm dia pressure gauge of 0-100 KN x 1 KN least count to indicate load is fixed on the load frame. A separate electrically cum hand operated pumping unit housed in a cabinet is supplied. On/Off switch and a slow/fast lever to control rate of loading are fitted on the front panel of the pumping unit. A facility for hand operation is provided. A micro switch and relay fitted inside the pressure gauge protect the unit from over loading.

Hand operated version consists of a load frame. A small hand pumping unit is attached to the load frame. Since this is a hand operated light weight machine. It is useful for field laboratory also.

Optional Accessories (at extra cost):

• Spare Oil seal
• Hydraulic Oil ( tin of 5 ltrs)
• Beam Mould 10 X 10 X 50 cm
• Beam Mould 15 X 15 X 60 cm
• Beam Mould 15 X 15 X 70 cm
• Beam Mould 15 X 15 X 75 cm
• Trowel
• Concrete Scoop

Product Details:

The consistency and workability of concrete is a very important factor and is strictly connected to the water/cement ratio, to the effect of admixtures and finally to the strength and quality of concrete. Suitable for concrete mixes of high and very high workability. To perform this test, a sample is placed on a metal surface which is then raised and dropped through a known height.

General Description And Specification:AS PER IS: 5512. FOR CEMENT MORTAR AND LIME

The flow table consists of a brass table top 250 + 2.5mm dia mounted on a rigid stand. The table top is reinforced with equally disposed ribs and allowed to drop through 12mm by a ground and hardened cam, Complete with mould 100mm base dia, 70mm top dia and 50mm high. The cam shaft is rotated at the rate of 100 RPM by an electric motor. Suitable for operation on 230 Volts 50 cycles. Single Phase, A.C. Supply. Manually operated flow table also available.

As Per Is:199 For Concrete:

The Flow Table consists of a brass or Mild steel table top of 76.2 cms(30")dia, finely machine from a solid brass casting or Mild steel Plate. The stand is fabricated out of cast iron/mild steel and is of study construction. The ground and hardened steel cam is designed to drop the table by 12.5mm. Complete with flow mould with handles with one tamping rod 0-60 cms long X 16cm. electrically operated to raise and drop the table top. approx. 15 times in 15 seconds. Suitable for operation on 230 volts, 50 cycles, A.C. Supply. Manually operated flow table also available.

Product Details:

J-ring test the passing ability of the concrete .The equipment consists of rectangular section of 38 mm X 25 mm open steel ring drilled vertically with holes to accept threaded section of reinforcing bars 12 mm diameter 100 mm in length.The bars and sections can beplaced at different distance apart to simulate the congestion of reinforcement of the ring formed by vertical section is 300 mm and height 100 mm .

Equipments :

• Slump cone without foot pieces
• Base plate at least 900 mm
• Trowel
• Scoop
• Scale 1 Meter
• J ring rectangular section 38 mm *25 mm plated vertically to form a ring 300 mm dia meter generally at a spacing of 48±2 mm .

Product Details:

The oldest, most widely used test for determining workability. This test is used to determine the workability of fresh concrete, which would normally be undertaken at the point of delivery to ensure the concrete, is of adequate consistency for placement. The test is applicable to concrete of medium workability.

The device is a hollow cone-shaped mould. The mold is filled in three layers of each volume. Each layer is rodded with a 16mm steel rod 25 times. The mould is then lifted away and the change in the height of the concrete is measured against the mould. The slump test is a measure of the resistance of concrete to flow under it own weight.

General Description and specifications :

The apparatus comprise of a slump cone with handles made of mild steel sheet, a chrome plated steel tamping rod of 16 mm diameter X 600 mm long, rounded off at one end, with a scale marked on it and a steel base plate with a carrying handle.

The mould for the test specimen will be in the form of frustum of a cone having the following internal dimensions as follows.

Dimensions	Cm.
Bottom diameter	20
Top diameter	10
Height	30

The Cone is constructed of metal of at least 1.6 mm thickness and the top and bottom are open and at right angles to the axis of the cone. The mould have a smooth internal surface and provided with suitable foot pieces to a base plate and also handles to facilitate lifting it from the moulded concrete test specimen in a vertical direction as required by the test. The base plate is provided with cleats swivel handle.

Product Details:

For Cement Flooring Tiles

Capacity 200 kg. for cement concrete flooring tiles. The specifications are similar to the above machine, but for the bearing rollers of 25 mm dia and spans of 150, 200 and 250 mm. The load is applied at the rate of 200 kg/min/meter. Without lead shots.

Product Details:

The Veebe consistometer measures the remolding ability of concrete under vibration. The test results reflect the amount of energy required to remold a quantity of concrete under given vibration conditions. The Veebe consistometer is applicable to concrete with slumps less than 2 inches.

The apparatus, consists of a metal cylindrical container mounted on a vibrating table, which produces a sinusoidal vibration, a slump cone is placed in the center of the cylinder and filled in the same manner as in the standard slump test. After the slump cone is removed, a clear plastic disk is set atop the fresh concrete. The Veebe table is started and the time for the concrete to remold from the slump cone shape to the shape of the outer cylindrical container is recorded as a measure of consistency. The sliding clear plastic disk facilitates the determination of the end of the test.

Product Details:

The Vibrating Table produces better concrete Moulds and cylinders by removing entrapped air. It distribute concrete evenly inside the moulds and nearly eliminate the problems of bug holes and air bubbles.

General Description and specifications :

The Vibrating table is entirely constructed of thick steel. The table top is made of thick mild steel plate and has stops along its edges to prevent moulds from walking off the table during operation. A cross arm adjustable on a vertical rod at the centre of the table is provided to hold the moulds while operating the table. The variable pitch pulley arrangement permits the variation of frequency between maximum of 3600 vibrations down to 2600 vibrations per minute. A speed regulation handle is provided for increasing or decreasing the frequency. The vibrator is mounted on cushioned steel vibrating deck. A switch is provided for starting the motor. Operation on 440 V, three phase, A.C. supply.

Table Sizes

• 50 X 50 CMS
• 60 x 60 CMS
• 75 x 75 CMS
• 100 x 100 CMS

Product Details:

This machine is quite useful on field Laboratories or mobile testing laboratories or Vans which frequently change site or location. It is particularly useful where constant and consistent Electric power is not available. The load is applied manually and observed on a Pressure gauge. The Pressure Gauge has maximum load indicator which stand still even after the specimen under test crushes and has to be set to zero manually.

Salient Features

• High Stability
• Self-aligning platen assembly.
• Gauges are calibrated in Kilo Newton against certified Proving Ring.
• Suitable for testing cubes of various sizes
• Using special platens, bricks also can be tested.
• Hard chrome plated piston with new type of long life oil seal.
• Four Pillar Model - superior in design, reliability and accuracy
• Practically no welded parts, all joints reinforced with heavy nut/bolt to withstand occasional over loading and to ensure center loading.
• Rounded Corners – add to elegance and safeguard against injury
• Hardened and grinded platens with guide lines for placing sample for Testing

Optional Accessories (at extra cost)

• Spare Oil Seal
• Brick Testing Attachment
• Hydraulic Oil (Tin of 5 Liters)

Product Details:

For 150mm dia x 300mm high specimen. Consists of two frames for clamping to by means of five tightening screw with a hardened end tappered end. Two spacer hold the two frames in position. A pivot rod rests on pivot screws. A dial gauge, fixed to a bracket fitted to the top frame is used for taking deformation measurement. Supplied complete with dial gauge 0.002mm x 5mm in a nice wooden carrying case.

Product Details:

Product Details:

• Point Load Index Tester

Product Details: