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Electrically Operated CBR cum Marshall Machine |
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Ref. Standards AASHTO T-193, ASTM D1883, AASHTO T-245 |
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Item Code : EK.CC.MT.368 |
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It is generally used for estimating the bearing value of road base, sub-bases and sub grades. It will be capable of performing tests in the laboratory on prepared samples. |
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Marshall Apparatus - Single Speed |
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it consists of: |
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Electrical System
Volt : 220V, 50Hz
Dial Gauge
Travel : 2in.
Division : 0.001 in/min
Displacer Block
Dia : 150mm
Height with T handle : 61mm
CBR mould
Material : Metal made galvanized
Shape : Cylindrical
Internal Diameter : 152.5 mm
Height : 177.8 mm
Mounting & drive system
Type : Motorized
Frame : Twin Colum |
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Load Frame
Type: Multi speed motorized (Electrical)
Volt : 220AC
Loading Capacity : 50kN
Loading winch speed for CBR test : 0.05 in./min
Loading winch speed for Marshall Test : 2in./min
Proving-ring
Qyt. : 2
Proving ring (1) : 50 kN capacity & 0.05 kN/ div readability / sensitivity
Proving ring (2) : 10 kN capacity & 0.01 kN/ div readability / sensitivity
Dial gauge division : 0.002 mm
Platen
Type : Adjustment (day/ light enable system)
Diameter : 130 mm
Length : 65 mm
Dial Gauge
Dial Gauge (having 2 in. travel & 0.001 in/ min. division) for CBR penetration measurement, having provision for increasing the dial gauge plunger length. Its graduations will be in inch.
Displacer Block
50 mm dia and height 61 mm with T-Handle
Penetration plunger & measuring system
Material : Non-rusting
Type : Circular corss-section
Diameter : 50mm
Length : 200 mm
Annular Surcharge weight : (Metallic & galvanized) 2.3 kg, 149 mm dia with 54 mm dia slot. Each consists of 6 annular surcharge weights.
Slotted Metal Weight : (Metallic & galvanized 2.3 kg, 149 mm dia . Each set consists of 6 slotted surcharge.
Measuring Apparatus :
Type : Swell Plate (Adjustable stem)
Diameter : 149.2 mm
Diameter hole : 1.6mm
Dial Gauge : 25mm
Fixing Attachment/ Clamp
Fixing Attachment of adjustable nature so that the dial gauge should be fixed with the penetration piston at any height and the dial gauge anvil could be placed over the side of the CBR mold very conveniently.
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