JMT - 301

THICHNESS GAUGE
IS : 2386 (PART-1)

Used for determining the flakiness index on aggreates.
Specifications : It consists of a frame with the sliding panel. The panel has slots of different standard lengths and width accurately cut..

JMT - 302

LENGHT GAUGE
IS : 2386 (PART-1)

For dimension of the elongation index of aggregates.
Specifimens :consists of hard wood base with vertically mounted metal studs as specified in the IS 2386(part 1).

JMT - 303

CYLINDRICAL MEASURE
IS : 2386 (PART - III)

Determines bulk density or unit weight of aggregates.
Specifications : Calibrated cylindrical measures of sheet iron with handles. Consists of 3 measures one each three liters capacity, 15 liters capacity and 30 liters capacity. Complete with one temping road, round, 16 mm dia and 600 mm long, one end rounded.

JMT - 304

METAL MEASURES
IS : 1199 - 1959

For the determination of the unit weight of aggregates.
Specifications : Made from sheet iron, completer with handle, capacity 10 liters or 20 liters.

JMT - 305

DENSITY BASKET
IS : 2386 (PART - III)

For density tests on aggregates as per procedure laid down.
Specifications : Made of brass with stainless steel wire mash 6.3mm size ruggedly constructed, approximately 20cm dia x 20cm high. complete with handle.

JMT - 306

AGGREGATE CRUSHING VALUE APPARATUS
IS : 9376, 2386 (PART - IV).

For measuring of resistance of aggreate to crushing.
Specifications : Consists of M.S.Cylindrical container 150 mm +-0.5 mm dia x 130 mm to 140 mm high with base plate 200 to 230 mm/sqr x 6 mm thick. A plinger of 148 mm +- 0.5 mm dia x 100 to 115mm high. Suppllied complete with temping rod, 16mm dia x 600mm long, one end rounded. And 1 No. Metal measure 115 +-0.5mm dia x 1800.5mm high.

JMT - 307

AGGREGATE IMPACT TESTER
IS : 2386 (PART-IV) 9377.

For determining the aggregate impact value.
Specifications : The instrument consists of circular base with two vertical guides. Hammer of weight 13.75 +- 0.25 kg can be raised to fll freely down the vertical guides. The height of fall can be adjusted through 380 +- 5mm. The hammer is provided with a locking arrangement. The hammer fallesfrely to the base and is removable for emptying. Supplied complete with metal measure 75mm dia x 50mm high(for specimen preparation) and tamping rod 230mm long x 10mm dia.

JMT - 308

JMT - 309

DORRY ABRASION TESTING MACHINE
BS : 812.

For testing aggregates for resistance to abrasion.
Specifications : It consists of a disc rotating about a shaft connected to a reduction gear box cupoid to a motor. The disc rotates at 28-30 RPM.
Under the rotating disc is a tray with an outlet to facilitate the removal of sand.the conical hoppers are mounted on a braket fixed to the circular tray. An arrngment is made for start and stop the flow of sand. Two holes are provided for mounting two specimens simultaniously. Two Containers with the weight of supplied to keep the specimens pressed against the rotating disc. Suitable for operation on 220 volts, 50 cycles, A.C. supply.

JMT - 310

LOS ANGLES ABRASION TESTING MACHINE
IS : 2386 (PART IV) ASTM : 131, AASHO T96.

Used for testing crushed rock, crushed slag, crushed and uncrushed gravel for resistance to abarsion.
Specifications : the machine consists of a hillow cylinder mounted horizontally
on a study frame on ball bearing.there is an opening which can be closed with a dust tight cover to facilitate charging and discharging the drum with the material under test. A ditachable shelf which extends throughout the inside length of the drum which catches the abrassive charge and does not allow it to fall on the cover. The drum is rotated by an electric motor through a heavy reduction gear at a speed of 30-33 r.p.m. A revolution counter is fitted to the frame. A tray is supplied for collection of the material at the end of the test. Complete with abrassive charge consisting of a set of twelve hardened steel balls, approximately 48mm dia. Suitable for operation on 440volts, 3 phase, 50 cycles, A.C. supply.