Geotechnical Testing Equipment
The Best In Test

Asphalt
 

Automatic Marshall Compactor

Standards: EN 12697-10, 12697-30, BS 598-107

The Automatic Compactor is made of a rugged construction
to withstand work. It provides a consistent and even degree of
compaction. The Compactor comprises of a compaction 
pedestal, automatic control system, secure base of 300 mm square x 25 mm thick steel plate.

After setting the required number of blows the Automatic Compactor lifts the 4535 g ±20 g hammer and releases it at the desired height of 457mm ±3mm.
The control system comprises of operating
light, start / stop switch and a reading counter used to set the desired number of blows.       

Marshall Stability Machine

Standards: EN 12697-12, EN 12697-23, EN 12697-34
 

The Marshall Stability Machine is used to determine the load and flow values of bituminous mixtures.

The Marshall is composed by a robust and compact two-column frame with adjustable upper cross beam driven by an electromechanical ram with a maximum capacity of 50 kN and a data acquisition and processing system.

The Marshall Stability Machine can be hand operated by a lateral hand wheel for calibration purposes. The mechanical jack raises the lower crossbeam at a constant speed of 50.8 mm/min. The limit switches are provided for the both, bottom and top limit of travel.

  

Manual Marshall Compaction

Standards: ASTM D1559, D5581, BS 598-107, EN 12697-30

The Manual Marshall Hammer Assembly is used to compact Marshall specimens manually.

Comprises:

The assembly consists of Compaction Hammer, Compaction Pedestal, Hammer Guide and Compaction Mould Holder. 

 

 

Marshall Mould

Compaction Mould, Comprising of Base Plate, Mould Body and Collar.

 

Universal Sample Extruder  

 

 

The Universal Sample extruder is designed to easily extrude samples from Marshall moulds.

It has 30kN capacity and supplied complete with manual hydraulic jack. The extruder can be also used for CBR and Proctor moulds with suitable adaptors.

Asphalt Mixer

Standards: EN 12697-35, BS 598-107 

The Asphalt Mixer is designed for mixing Asphalt samples
that can be used for mechanical tests as for example compaction, indirect tensile, Marshall etc.

The bituminous mix must be prepared at prescribed temperature for this reason the mixer can equipped with 
thermostatically controlled heater.

The mixing head rotates in the 11 different speed positions from 10 to 240 r.p.m. and the beater from 20 to 480 r.p.m. The user can choose speeds easily by using switch fitted to the machine.

Comprises:

The mixer is made of stainless steel and supplied complete with capacity bowl and the beater. Isomantle heater should be ordered separately.

Hobart Asphalt Mixer


BS 598-107, EN 12697-35

Our 5 litre Hobart Asphalt Mixer is a planetary action mixer
suitable for every type of operation and able to cope with all capacity requirements. Ergonomically designed for ease of use
and consistent and efficient processing each description provides extensive.

It can be used in conjuction with an isomantle heater, it  is supplied with bowl, beater and whisk.

Centrifuge Extractor

Standards: EN 12697-1, ASTM D2172, AASHTO T164A

The centrifuge extractor is used for the determination of bitumen percentage in bituminous mixtures.

 

Comprises:

 

A removable precision-machined rotor bowl housed in a cylindrical aluminium box. It is driven by an electric motor
fitted with AC drive (inverter) with the double function of speed control up to 3600 r.p.m. regardless of the frequency (50 or 60 Hz) and electrical braking.
The rotating unit is suspended on the base by four calibrated springs, which assure a perfect stability all over the test. The cover is precisely machined and fitted with solvent resistant gasket to avoid leakages.

Reflux Extractor

Standards: ASTM D2172, AASHTO T164

The Reflux Extractor is used for the determination of quantitative amount of bitumen in hot-mixed paving mixtures and pavement samples.

The Reflux Extractor is available in two sizes, 1000 gr and 4000 gr capacity models. The apparatus comprises of a cylindrical glass jar, two wire mesh cones with interlocking frames, a water condenser with inlet/outlet tubes and hot plate.  

 

Traveling Beam Device

Standards: EN 1426, BS 2000-49, ASTM D5, AASHTO T 49

The Travelling Beam Device is used for detecting surface irregularities in both concrete and asphalt pavement.

Comprises:

The apparatus comprises of a 3-meter length beam with
rigid wheels at the extremes and the middle, which can
detect any vertical deviation of the surface from a straight
line between the two wheels at the ends of the machine.

Measuring capacity of the device is ±25 mm with 5mm increments. It comprises manual dye marker which can mark irregular surfaces of the road.

 

Bitumen Penetrometer

Standards: EN 1426, BS 2000-49, ASTM D5, AASHTO T 49

The Penetrometer is to determine the penetration of bituminous samples under constant load, time and heat.

Benkelman Beam Apparatus

Standards: AASHTO T256

The Benkelman Beam Apparatus is designed to determine
the deflection of a flexible pavement or road surface under
moving wheel loads.

Comprises:

The equipment is light weight and made of aluminium for
easy portability and use at any test location, the length of
the Benkelman beam is 250cm and net weigh is 15 kg.

One end of the beam rests at a point under investigation while the beam is pivoted in the centre. The free end carries a dial gauge to record the deflections while the other end is kept on a stable platform.

 

Rolling Straightedge Apparatus

Standards: AASHTO T256

The Rolling Straightedge measures depressions on the pavement surface on analogue scale 0-12mm + 0.25mm.
The straightedge also has an odometer for accurate determination of distance travelled in units of 1 metre.

The Rolling Straightedge is pushed at 1-2km/h and the number of irregularities, their length and distance from start, are recorded. The national specifications for surface regularity are then compared and the pavement accepted or rejected and or remedial work undertaken.

Vialit Plate, Adhesion Test Apparatus

Standards: EN 12272-3

The Vialit Plate Adhesion Apparatus is designed to assess
the adhesion property of aggregates to
bitumen.

The apparatus consists of a metal basement with three vertical pointed rods to hold the test plate; vertical rod 50 cm high with a shot at the upper end for the steel ball to drop; a 512 g steel ball; 6 metal test plates, hand operated rubber lined roller with lead shots ballast.

 

Ductility Testing Machine

Standards: EN 13398, ASTM D113, AASHTO T51

The Ductility Testing Machine used for determining the
 ductility of bituminous materials by measuring
the elongation of briquette mould with molten bitumen in it.

It is designed for testing 3 specimens simultaneously. The bath is fitted with an immersion heater, digital control unit and circulator to maintain the homogenous water temperature.

Bitumen Automatic Penetrometer

Standards: EN 1426, BS 2000-49, ASTM D5, AASHTO T 49

The Penetrometer is to determine the penetration of bituminous samples under constant load, time and heat.

During the test, depth penetration is permanently displayed both in units and tenth of units (0.01 mm).  An optoelectronic detection of depth penetration with an automated approach and a levelling system for conductive samples are available.

 

 

 

Rice Test Vibrator Apparatus

Standards: ASTM D2041

The Rice Test Vibrators provide consistent shaking of vacuum pyknometers. Comes with vibrating rate control and timer. Easy to allow quick placement and removal of Pyknometer.

 

 

 

Vacuum Pyknometer, 6000 g

Standards: ASTM D2041, AASHTO T209, T283

The Vacuum Pyknometer is a 10 ltr, 6000 gr capacity unit

used in the Rice Test to determine the maximum specific

gravity of bituminous. A transparent cover for easy observation of sample testing, perforated plastic shelf, water inlet valve and tube, quick disconnect, vacuum hose and aspirator with fitting.

 

Comprises:

 

Vacuum Pyknometer Set comprises of a 6000 g pyknometer,

vacuum pump with control valves/gauges, water trap and

connection tubing.

 

 

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