Tri-Axial test set Description and Specifications for Lab Tenders
Tri-Axial test set Use: For the Tri-axial
test; Unconsolidated Undrained (UU), Consolidated Undrained (CU), Consolidated
Drained (CD), Unconfined Compression (UC).
Standard:
· BS 1377-7,8 1924-2, ASTM D2850 D4767, AASHTO T296 T297
Equipment parts:
· Master Control Panel.
· Water De-airing Tank System.
· 1 Digital Tritest Load Frame.
· 1 Proving Ring, 4.5 kN (1,000 lb.).
· 1 Strain Dial Indicator.
· 1 Digital Pressure Gauge.
· 1 Triaxial Cell.
· 3 No-Volume Change Valves.
· 1 70 mm (2.8") Base Pedestal.
· 1 70 mm (2.8") Specimen Cap.
· 2 70 mm (2.8") Drainage Lines.
· 1 70 mm (2.8") Porous Stones. Pack of 2.
· 1 70 mm (2.8")) Sealing Rings. Pack of 10.
· 1 70 mm (2.8") Filter Paper Drains. Pack of 50.
· 1 70 mm (2.8") Filter Paper Discs. Pack of 100
· 2 70 mm (2.8") Rubber Membranes. Pack of 10.
· 1 70 mm (2.8") O-ring Placing Tool.
· 1 70 mm (2.8") Membrane Tester.
· 1 70 mm (2.8") Two-Part Split Mould.
· 1 70 mm (2.8") Suction Membrane Device.
· 1 70 mm (2.8") Two-Way Split Former
Part Specifications
a) Master control panel
· Measurement Range. 10-4 to 10-10 cm/sec.
· Master Regulator. 14-1,034 kPa (2 to 150 psi), dual scale.
· Master Pressure Gauge. 14-1,103 kPa (2 to 160 psi), dual scale.
· Master Vacuum Gauge. 0-100 kPa (0 to -30 inches of Hg), dual scale.
· Digital Pressure Meter. English: 2 to 150 psi range; ± 0.1 psi; ± 0.25% accuracy full scale.
Metric: 14 to 1,034 kPa range; ± 1 kPa; ± 0.25% accuracy full scale.
· Burette Pressure Regulators. Three; 14-1,034 kPa (2 to 150 psi).
· Burette/Annulus. Three; 25/400 ml capacity with 0.1 ml burette graduations.
· Utilities Required. Water, vacuum, air pressure, drain and AC power supply.
· Dimensions. 533.4x933.5mm (21" w. x 36-3/4")
b) Water De-airing tank
· Construction. Clear acrylic construction with stainless steel threaded clamping rods.
· Seals. O-ring, top & bottom.
· Relief Valve. Preset at 69 kPa (10 psi).
· Capacity. 5.3 liters. (1.4 gals).
· Dimensions. 152.4 x 406.4 mm (6" diam. x 16").
· Weight. Net 3.4 kg (7.5 lbs.).
c) Digital tritest load frame
· Digital Tritest Load Frame conforming to BS 1377-7,8 1924-2, ASTM D2850 D4767 AASHTO T296 T297 specifications
· Microprocessor controlled.
· Large LCD screen display with touch-sensitive keypad.
· Rapid approach and return of platen to set datum point control.
· Capacity. 50 kN (11,200 lbf.).
· Speed Range. English mode: 0.000001 to 0.399999 in/min.
Metric mode: 0.00001 to 9.99999 mm/min.
· Rapid Approach Speed. 50 mm/min. (2.0 in/min)
· Platen Travel. 100 mm (3.9"); limit switch protection.
· Vertical Clearance. 910 mm (35.8") maximum; 305 mm (12") minimum.
· Horizontal Clearance. 364 mm (14.3").
· Serial Interface. RS232C; programmable baud rate and protocol.
· Overall Dimensions. 500 x 500 x 1,470 mm (19.7" w. x 19.7" d. x 57.8" h.).
· Weight. Net 100 kg. (220 lbs).
Accessories
· Axial Strain Dial Indicator. 1.0" range x 0.001" divisions or Axial Strain Dial Indicator. 25 mm range x 0.01 mm divisions.
· Proving Ring. 1 kN (225 lb.) capacity.
· Proving Ring. 2 kN (450 lb.) capacity.
· Proving Ring. 3 kN (650 lb.) capacity.
· Proving Ring. 4.5 kN (1,000 lb.) capacity.
· Proving Ring. 7 kN. (1,500 lb) capacity.
· Proving Ring. 10 kN. (2,250 lb) capacity.
· Proving Ring. 28 kN (6,000 lb) capacity.
· Proving Ring. 50 kN (11,200 lb.) capacity.
· 2-Channel Digital Readout and Transducer Set, metric.
· Power requirements 220vAC, 50/60 Hz.
d) Triaxial cell
· Universal triaxial cell: 38mm, 50mm, 75mm and 100mm diameter specimens.
· Brass Pedestals for 38mm, 50mm, 75mm and 100mm dia specimen.
· Perspex Loading pads for 38mm, 50mm, 75mm & 100 mm dia specimen.
· Pairs of plain discs 38mm, 50mm, 75mm & 100mm dia.
· Pairs of porous stones one each for 38mm, 50mm, 75mm & 100mm dia samples.
· Spirit sand formers for 38mm, 50mm, 75mm & 100mm dia specimen.
· Sheath stretcher for 38mm, 50mm, 75mm & 100mm dia specimen.
· One dozen rubber sheaths for 38mm, 50mm, 75mm & 100mm dia specimen.
· Four rubber ‘O’ rings for 38mm, 50mm, 75mm & 100mm dia specimen.
· Set of four slotted ring spacers for sand formers and four pairs of polythene drainage tubes.
Summary of essential specifications
· Specimen Size. Range from 35 mm (1.4") to 102 mm (4") diam.
· Head Assembly. Anodized aluminum with quick-disconnect fill/vent port and three clamping rods.
· Base Assembly. Stainless steel with four stainless steel no-volume change ball valves for inflow and outflow ports and one brass no-volume change ball valve for lateral port.
· Cylinder. Clear acrylic.
· Max. Pressure. 1,034 kPa (150 psi).
1,700 kPa (250psi)
Optional Accessories
a) Digital pressure gauge
· Digital Pressure Gauge in accordance with ASTM D-4767, D-5084; AASHTO T-296, T-297.
· Capacity. 1,700 kPa (250 psi).
· Display. LCD.
· Display Units. PSI, kPa, MPa.
· Accuracy. >1% of indicated pressure.
· Read Rate. Two samples per second.
· Power Supply. 3 volt battery, CR 2340 type.
· Battery Life. 1400 hours continuous operation.
· Dimensions. 59 x 32 x 95 mm. (2.30" w. x 1.25" d. x 3.75" h.)
Weight. Net 125g (1/4 lb.)
b) Digital load and Displacement readout
· Displays. Two, 4-digit red 14 segment LED displays.
· Display Units. Metric models in kN and mm.
· Read Rate. Three samples per second; automatic polarity.
· Warm-Up Time. 30 minutes for rated accuracy.
· Operating Temp. 0°C - 50°C.
· Load Cell. 8.9 kN capacity; S-type.
· Strain Transducer.50 mm range.
· Dimensions. W. x D. x H. (236 x 236 x 81.3 mm).
Weight. 3.6 kg