| Tender Brief | Supply, Installation, Calibration And Training Of Digital Triaxial Shear Apparatus Suitable For Uu, Cu And Cd Tests, Comprising: 1. Motorised Load Frame ? Capacity 50 Kn With Multi-rate Strain Control, Suitable For Triaxial Cells Up To 100 Mm Dia Specimens. Turret Type Geared Drive With Approx. 30 Strain Rates Ranging From 6 Mm/min To 0.00048 Mm/min. Front Panel Controls. Operable On 220v, 50 Hz, Single Phase Supply. 2. Triaxial Cell ? Suitable For 38 Mm Dia ? 76 Mm High Specimens With Lateral Pressure Up To 1000 Kpa, Having Ports For Cell Pressure, Pore Pressure, Top And Bottom Drainage And Fitted With No-volume-change Valves. Complete With Loading Pad, Porous Stones, Sheath Stretcher, Split Sand Former, Latex Membranes, Sealing Rings And All Standard Accessories. Additional Triaxial Cell For 50 Mm Dia Specimen To Be Supplied. 3. Pneumatic Control Panel (2-line Type) With Precision Regulators For Confining And Back Pressure Control, Capacity Approx. 10.5 Kg/cm?, Complete With Mechanical Volume Change Apparatus. 4. Air Compressor ? Singlestage, Suitable Up To 10 Kg/cm? With Receiver Tank, On/off Switch, Pressure Gauge And Outlet Valve, Operable On 220v, 50 Hz Single Phase Supply. 5. De-airing System With Vacuum Arrangement Comprising Vacuum Regulator, 20 Litre Water Chamber, Vacuum Gauge And Additional Vacuum Line. Vacuum Pump Flow Approx. 75 L/min, Vacuum Up To 22 In Hg (554 Mm Hg), Pressure Up To 40 Psig. 6. Electronic Data Acquisition System With Touch Panel Operation For Tare, Start/stop, Programming Etc., Independent Channel Taring, Programmable Data Logging Interval (10 Sec To 1 Hr), Automatic Data Saving, Storage Of Minimum 25 Test Sets With 200 Data Points Each, Sample Id Programming, Date/time Recording And Online Data Transfer To Computerthrough Ethernet Port. 7. Sensors & Instrumentation: I. Load Sensor ? 1000 Kg Capacity Ii. Pressure Transducer ? 2000 Kpa Iii. Lvdt Stroke ?20 Mm Iv. Linearity ?1%, Repeatability ?0.1%, Hysteresis ?0.5% V. Excitation: 2v Rms, 2 Khz Sinusoidal Vi. Sensitivity: 1 Mv/v/mm Vii. Operating Temperature: 0?50?c 8. Software For Online Data Acquisition And Offline Triaxial Analysis For Uc, Uu, Cu, Cu-bar And Cd Tests With Manual/automatic Recording. Software Shall Calculate Dry Density, Moisture Content, Void Ratio, Saturation Etc. And Generate Consolidation, Stress-strain, Pore Pressure, Effective Stress, P-q And Related Plots Along With Evaluation Of T100, Strain Rate And Shear Parameters (c & ). 9. Accessories & Miscellaneous: I. Sampling Moulds For Standard Triaxial Specimen Sizes Ii. Sample Preparation Moulds Iii. Volume Change Gauge/burette Iv. Pressure Indicator/transmitter V. De-aired Water Apparatus Vi. All Interconnecting Tubing, Fittings And Accessories Vii. Any Other Component Required For Complete Operation. Make: Aimil / Heico Or Similar Better. The Rate Also Includes- A. Supply And Installation Of The Machine To Geotechnical Laboratory/construction, Nf Railway, Maligaon, Guwahati, Pin-781011. B. Necessary Fixing Of Footing, Bolts, Grooving, Concreting, Water Connection, Bolting & Shifting Of Equipment To Install And Fix The Apparatus Inside Geotechnical Laboratory/con, Nfr, Maligaon, Guwahati. C. 1st Year Calibration Of The Equipment As Per Nabl Standard. D. First Hand Training Of Nf Railway Official On Use Of The Equipment As Per Latest Relevant Code Of Railway/is Standard At Maligaon, Guwahati, Pin-781011. E. Supply Of Latest Guidelines (rdso/iricen/is Code Etc.) Related To The Use Of The Equipment. [ Warranty Period: 12 Months After The Date Of Delivery ] |
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