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Air Entrainment


IS:1199, IS:9799-1981, IS:10079. BS-1881
It consists of a pressure-tight flanged cylindrical measuring bowl, fitted with a removable flanged and a conical cover assembly with a seal in-between. The conical cover has an air valve and a petcock for bleeding off the water. A cylindrical standpipe, which is graduated in percent air content, is fixed to the conical cover assembly. Required pressure is applied to the specimen with the help of a pressure bulb. The recommended limits specified for the air content are between 3% and 6.5%.Each apparatus is supplied complete with a calibrating cylinder, pressure gauge, funnel, trowel and tamping bar
Shivam Instruments India
SCO-1001
Air Entrainment Meter
Capacity 0.005 m3 (5 dm3), suitable for aggregate size up to 38mm
SCO-1002
Air Entrainment Meter
Capacity 0.007 m3 (7 dm3), suitable for aggregate size up to 38mm.
SCO-1003
Air Entrainment Meter
Capacity 0.01 m3 (10 dm3), suitable for aggregate size up to 75 mm
SCO-1004
Air Entrainment Meter
Capacity 0.1 m3 (100 dm3), suitable for aggregate size up to 150 mm. with Foot Pump Assembly in place of pressure Bulb




Moulding


IS: 10086, IS: 516, BS: 1881, ASTM C192 and ASTM C31
SHIVAM make moulds are of high quality metal and intensive care has been taken while surface furnish. SHIVAM offers Cube Moulds, Cylindrical Moulds and Beam Moulds of various sizes as listed below.
Shivam Instruments India
Beam Moulds
These moulds are made of cast iron and are supplied complete with base plate. For conducting the flexural strength test of concrete.
SCO-1005
Beam Mould, 100 mm x 100 mm x 500 mm size
SCO-1006
Beam Mould 150 mm x 150 mm x 700 mm size
SCO-1007
Beam Mould 150 mm x 150 mm x 750 mm size
SCO-1007001
Tamping Bar Steel, 25 mm x 25 mm square ramming face, 400 mm long, 2kg in weight. for use with Beam Moulds
Shivam Instruments India
Cube Moulds
These moulds are made of cast iron and are supplied complete with base plate. For conducting the compression test of concrete
SCO-1008
Cube Mould Cast Iron, 50 mm
SCO-1009
Cube Mould Cast Iron, and 70.6mm, for mortar mixes for vibrating machine
SCO-1010
Cube Mould Cast Iron, 100 mm, 8 kg
SCO-1011
Cube Mould Cast Iron, 100 mm, 10 kg
Shivam Instruments India
SCO-1012
Cube Mould Cast Iron, 150 mm, 8 Kg
SCO-1013
Cube Mould Cast Iron, 150 mm, 10 Kg
SCO-1014
Cube Mould Cast Iron, 150 mm, 14 Kg
SCO-1015
Cube Mould Cast Iron, 150 mm, 18 Kg
SCO-1016
Cube Mould Cast Iron, 200 mm,
SCO-1017
Cube Mould Cast Iron, 300 mm
SCO-1018
Cube MouldSteel , 300mm
SCO-1018001
Tamping Rod Steel, and 16 mm dia x 600 mm length rounded at the lower end for use with Cube and Cylinder
Cylindrical Moulds
IS-516
These moulds are made of cast Iron and split into two parts longitudinally. These are supplied complete with a base plate. For conducting the compression test of concrete.
SCO-1019
Cylindrical Mould Cast Iron 100 mm dia. x 100 mm high
SCO-1020
Cylindrical Mould Cast Iron 100 mm dia. x 150 mm high
SCO-1021
Cylindrical Mould Cast Iron 100 mm dia. x 200 mm high
SCO-1022
Cylindrical Mould Cast Iron 150 mm dia. x 150 mm high
SCO-1023
Cylindrical Mould Cast Iron 150 mm dia. x 300 mm high
SCO-1024
Cylindrical Mould Cast Iron 300 mm dia. x 300 mm high
SCO-1025
Cylindrical Mould Cast Iron 300 mm dia. X300 mm high
SCO-1025001
Tamping Rod Steel, 16 mm dia x 600 mm length rounded at the lower end for use with Cube and Cylinder
Briquette Moulds
IS: 269-1958, BS:12, ASTM C190 and C307
Briquette Mould Made of Brass.
SCO-1026
Briquette Mould Single Gang
SCO-1027
Briquette Mould Three Gang
SCO-1028001
Base Plate M. Steel, for Briquette mould
Bulk Density
IS: 1199, BS: 1881 IS: 10079 1982
For determining the weight per cubic meter of freshly mixed concrete.
SCO-1029
Bulk Density Measures, Set of 3, (set of 5 litre, 15 litre and 30 litre)

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Fineness

To determine the fineness of cements, pozzolanas and other powdery materials, various international specifications recommend the use of "specific area" method. In the methods described below, air permeability methods are used to determine the specific surface as total surface area in cm²/g of material..

SCO-1030
Air Permeability Apparatus Blaine Type
IS: 5516 IS: 1727, IS: 4031, IS: 4825, ASTM C204, BS: 4359 Part 2,
It is a variable flow type air permeability apparatus.
The apparatus comprises one each of
Permeability Cell 12.5 mm ID
'U' Tube Manometer Mounted on stand
Perforated Metal Disc
Plunger
Rubber Stopper
Rubber Tube 20 cm long
Filter Paper Discs (Twelve Nos.)
Dibutylphthalate Liquid
Extras
Punch
Non-Perforated Disc
Concrete Mixer
These concrete mixers are ideal for use in laboratory. Power supply: 220 V, 50 Hz, and single phase
Shivam Instruments India
SCO-1032
Concrete Mixer Capacity 1 cubic feet
SCO-1033
Concrete Mixer Capacity 150 liter
SCO-1034
Concrete Mixer Capacity 40 liter (Pan Type)
SCO-1035
Consistometer
IS: 10510-1983 IS: 1199, ASTM C - 124, AASHO T 120, 126
Consists of a vibrating table, specimen pot, slump cone, and graduated rod. Suitable for operation on 220 V, 1 phase, 50 Hz, AC Supply
Shivam Instruments India
SCO-1036
Compaction Factor Apparatus
IS: 5515
A useful tool for workability determination of concrete mixes of very low workability such as those normally used with Concrete, compacted by Vibration. Concrete mix having maximum size of aggregate exceeding 38 mm can be tested for workability. Apparatus is complete with hoppers and receiver assembly
SCO-1037
Shrinkage Bar Mould, Single
SCE-1038
Shrinkage Bar Mould, Double
SCE-1039
Shrinkage Bar Mould, Three




Compressive Strength

The Concrete is a man-made material, essentially mixed at site. The properties of concrete depend on the properties of its ingredients and their proportion, and it is likely to vary from mix to mix. Tests must be conducted, therefore, to ensure that the concrete used is in accordance with design specifications. It is a frequent test of compressive strength, in which concrete samples are tested to failure

Compression Testing Machines
IS:516
SHIVAM offer Compression Testing Machines are the finest of their type obtainable. The rugged construction and extreme simplicity make it possible for even non-technical personnel to operate them with ease and complete dependability. In particular, the portable units, which are small in dimension and light in weight, make quality control testing possible in areas where commercial testing facilities are not available and where the transportation of larger and much heavier machines would be difficult. SHIVAM Compression Testing machines conform to the requirements of IS: 516 and other International Standards like BS and ASTM Some of the salient features are
Optional
A. Compression Testing Machines with Load Gauges
A brief general description of these machines is
Loading Unit The loading unit is of fully welded construction having a cross head, base and solid side plates. The hydraulic jack is fixed to the base or on the top. The platens of the machine are hardened, ground and polished. The upper platen is provided with self-aligning action. To facilitate testing of various size specimens, suitable size spacers are provided.
Pumping Unit The hydraulic pumping unit is
1) Manually Operated or
2) Electrically operated The loads are measured on Bourdon tube type pressure gauges, which are calibrated against certified proving rings. The pressure gauges are fitted with a maximum load pointer. Both the Pumping units, manually operated and electrically operated, are of two-speed design. In the Electrically Operated Pumping Units, Pressure gauges are fitted with micro switches to switch-off the motor when the load approaches the maximum capacity of the pressure gauge, avoiding any over-loading. Relays are incorporated so that the motor does not restart own after a power breakdown.

The Electrically operated pumping units can also be fitted with hand-operated pump as an option
Model No. Capacity in KN Pumping Unit Loading Capacity in KN Least Count in KN Clearance between Platen Maximum Distance between side plates Platen Size In MM2 Piston Dia mm Piston Stroke mm Specimen Size
SCO-1040 1000 Manual 1000 5 390mm 260mm 165 152 50 100mm & 150mm cube & 150mm X 300mm cylinder
SCO-1041 1000 Electrical 1000 5 390mm 260mm 165 152 50 100mm & 150mm cube & 150mm X 300mm cylinder
SCO-1042 1500 Electrical 1500 10 390mm 260mm 165 152 50 100mm & 150mm cube & 150mm X 300mm cylinder
SCO-1043 2000 Electrical 2000 10 390mm 340mm 220 215 50 150mm & 200mm cube mould & 150mm X 300mm
SCO-1044 2000 Electrical 2000 10 390mm 340mm 220 215 50 100mm to 200mm cube mould & 150mm X 300mm
1000 5
500 2
SCO-1045 3000 Electrical 3000 10 500mm 450mm 310 303 50 150mm to 300mm cube mould & 150mm X 300mm
SCO-1046 3000 Electrical 3000 10 500mm 450mm 310 303 50 150mm to 300mm cube mould & 150mm X 300mm
2000 10
1000 2
SCO-1050D 1000 Electrical 1000 1 390mm 260mm 165 152 50 100mm & 150mm cube & 150mm X 300mm cylinder
SCO-1051D 1500 Electrical 1500 1 390mm 260mm 165 152 50 100mm & 150mm cube & 150mm X 300mm cylinder
SCO-1052D 2000 Electrical 2000 1 390mm 340mm 220 215 50 100mm to 200mm cube mould & 150mm X 300mm
SCO-1053D 3000 Electrical 3000 1 390mm 450mm 310 303 50 150mm to 300mm cube mould & 150mm X 300mm

Digital Compression Testing Machines
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 emphasizes simplicity, both of construction and operation, and makes machine easy to use and maintain. The unit is compact, making it useful for site applications. The digital machines are provided with a pace rate controller, to enable maintain a constant rate of loading. The Complete unit comprises:
Loading Unit Is of fully welded construction having a cross-head with a spherical seated platen. The lower platen is attached to the top of the piston. The Loading Units of capacities, 1,000 kN, 2,000 kN and 3,000 kN are available. Cubes up to 300 mm & Cylinders up to 300 mm dia x 300 mm height can be tested using the appropriate models.
Pumping Unit The two speed pump facilitates rapid approach of the platens for daylight closure and also provides comprehensive control over the application of load. A control valve provides fine control over the loading rate for accuracy of pacing. The digital read-out unit incorporates a 4 digit display, calibrated in kN and features integral load pacing in kN/Sec (Auto pace rate controlled unit only). Maximum load is held and retained, unless cancelled, using the panel mounted reset switch. Pace rate set for running the test can be maintained manually with the help of a bar graph indicator.

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