The Marshall Compactor – Automatic CRT-MARSH-HR automatically compacts the samples of asphalt mixture and stops after a pre-determined number of blows. Moulds are held in position by an easy to use clamping mechanism. The hammer release ...
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Benkelman beam is a very simple apparatus and it is commonly used for measuring the surface deflection of a pavement under standard loading conditions. A schematic arrangement of the Benkelman beam (Refer Slide Time: 11:11). It ...
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The Instrument is used for determination and checking of Bitumen percentage in bituminous mix, the mix is added with solvent and dissolved bitumen is removed by centrifugal action. Consists of a removable Aluminum rotor bowl, ...
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The determination of bitumen percentage in bituminous mixtures. It consists of a removable, precision machined aluminum rotor bowl (accessory 1500 or 3000 g capacity), housed in a cylindrical aluminum box. The separate control panel incorporates an electronic ...
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It may be defined as the hardness softness of the bitumen by measuring the depth in tenth of a millimeter to which standard loaded needle will penetrate vertically in five minutes the penetration of bituminous ...
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Camber is defined as the slope provided to the cross-section of the road. It expressed as the ratio of the crown height to half the horizontal width of the carriageway for example if the camber ...
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It may be defined as the Place the bowl containing the sample and solvent in the machine. Dry and weight the filter ring and fit it around the edge of the bowl. Clamp the cover ...
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FLASH POINT The flash point of a material is the lowest temperature at which the application of test flame causes the vapors from the material to momentarily catch fire in the form of a flash ...
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The carbon residue is a measure of the carbonaceous material left in a fuel after all the volatile components have been vaporized in the absence of air. It may be expressed as Conrad son Carbon ...
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Suitable to cut/drill cores of concrete, rocks, stones, tiles or the similar materials the machine is suitable for core samples of size up to 150 mm diameter with the help of thin walled diamond bits ...
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It may be defined as the apparatus consist of 500 ml heat resistant glass with neck having ground glass joint, a condenser made of heat resistant glass receiver – also made of heat resistant glass with ground ...
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It may be defined as the amount of the more volatile constituents in cut-back asphaltic products is measured. The properties of the residue after distillation are not necessarily characteristic of the bitumen used in the ...
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It is may be defined as the viscous liquid black in color with adhesive properties obtained by destructive distillation of organic matters such as wood,coal,shale etc in the destructive distillation process the material ...
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It may be defined as the ductility of bitumen is measured as the distance in centimeter to which a briquette specimen of bitumen will elongate before breaking when the briquette is pulled apart at specified ...
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The elastic recovery of the bitumen is evaluated by means of the percentage recovery of the bitumen thread formed by the stretching of bitumen specimen when it is cut down by a scissor at standard ...
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Normally the consistency of bituminous material can be measured either by penetration test or viscosity test. But for certain range of consistencies, these tests are not applicable and Float test is used. The apparatus consists ...
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It may be defined as the instrument reaches the test start point automatically, and it is supplied with an integrated led lamp the vertical movement is performed by a high precision stepper motor and measured ...
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It may be defined as the Hardness tester for Mastic Asphalt has been fabricated to meet the essential requirements IS 1195 – 1968 in finding out the Hardness Number of mastic asphalt. figure denoting the depth in hundreds ...
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This test is carried out utilizing the Capillary viscometer for kinematic viscosity at 135 degree C and procedure has been carried out according to Measurement was taken to within 0.1 s the time required for the leading ...
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When the bitumen is heated it loses the volatility and gets hardened. About 50gm of the sample is weighed and heated to a temperature of 163°C for 5 hours in a specified oven designed for this ...
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It may be defined as the fitted with a compaction rammer with a free fall of 457 mm the rammer assembly is provided with a ratchet and pawl arrangement to lift it from the top of ...
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Marshal test is extensively used in routine test programs for the paving jobs. The stability of the mix is defined as a maximum load carried by a compacted specimen at a standard test temperature of 600 °...
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It is may be defined as the flash point of petroleum products and mixture having a flash point below 49 degree ℃ (120 degree F). The apparatus consists of cast iron stave fitted with a polished brass cover ...
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Features:- Electrically heated. It also has cooling bath or condenser with M.S. black painted stand The instrument is supplied with three square asbestos boards with 50mm and 70mm holes.(without glass wares) It ...
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It may be defined as the mechanism of mixing is shear. Shear is applied between moving blade and stationary wall mixing arm moves around its own axis and around the central axis so that it ...
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It may be defined as the temperature at which a sample of bituminous material drops a specified distance when heated under prescribed conditions and loaded by 3/8 inch diameter steel ball. Two simultaneous tests can be ...
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It may be defined as the softening point is the temperature at which the substance attains particular degree of softening under specified condition of test bitumen is determined by ‘Ring and Ball test’. A brass ...
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It may be defined as the binder; density property is of great use. In most cases bitumen is weighed, but when used with aggregates, the bitumen is converted to volume using density values. The density ...
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It may be defined as the straight edge approximately 3 meters in length lateral surface regularity of a road surface. This lightweight apparatus is made up of mild steel or aluminum and is equally supported at ...
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Viscosity is calculated indirectly by redwood viscometer (which is used to find the viscosity of oil) is used to find the viscosity of bituminous material, after modifying the diameter of the orifice. The behavior and ...
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When the bitumen is heated it loses the volatility and gets hardened. About 50gm of the sample is weighed and heated to a temperature of 163 °C for 5 hours in a specified oven designed for this ...
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Features:- Electrically operated oil free with 1/4 HP motor and moisture trap. High vacuum consist of a metallic casing having Cylindrical bore accommodating an eccentrically mounted slotted rotor bearing, a pair of Vanes in the ...
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