Mts Triaxial Cell Models 656-06 Manual de usuario

Triaxial Cell Product InformationModels 656.04, 656.05, and 656.06015-025-501 B be certain.

Warning:Warning notices indicate the presence of a hazard with a medium level of risk which, if ignored,can result in death, severe personal injury, o

Electronic manual conventionsThis manual is available as an electronic document in the Portable Document File (PDF) format. It can beviewed on any com

SafetyTopics:•General Safety Practices...

General Safety PracticesIf you have system related responsibilities (that is, if you are an operator, service engineer, or maintenanceperson), you sho

Read all manualsStudy the contents of this manual and the other manuals provided with your system before attempting toperform any system function for

Know electrical hazardsWhen the system electrical power is turned on, minimize the potential for electrical shock hazards. Wearclothing and use tools

• Wear appropriate safety devices to protect your hearing. Escaping air or gas can create a noise levelthat can damage your hearing.• Ensure that all

(see the System Documentation CD). Particles present in the hydraulic fluid can cause erratic or poorsystem response.Protect accumulators from moving

Safety Practices While Operating the SystemWear appropriate personal protectionWear eye protection when you work with high-pressure hydraulic fluid, h

©2014MTS Systems Corporation. All rights reserved.Original Instructions (English): 015-025-501 B—January 2014Trademark InformationMTS, be certain., Bi

Do not disturb sensorsDo not bump, wiggle, adjust, disconnect, or otherwise disturb a sensor (such as an accelerometer orextensometer) or its connecti

Hazard LabelsDescriptionIconFailure to follow operating instructions can causedeath or serious injury.Read and understand the operator’s manual before

DescriptionIconHigh pressure fluid can penetrate skin. Do nottamper with fittings or hoses. Wear appropriateprotection such as safety goggles and glov

IntroductionTopics:•Introduction...

IntroductionAbout Series 656 Triaxial CellsThis manual documents the Model 656.04, Model 656.05, and Model 656.06 Triaxial Cells.The Series 656 Triaxi

The Lexan®door helps protect you against flying fragments. The interlock will interrupt the test controllerprogram any time the door is opened.Optiona

DescriptionItemEmergency Stop (E-Stop)6Platen Assembly7Sealing Cap Screws8Bell9Lexan Door10Mounting Plate11Spacer and Baseplate12Rails13Lexan Door Lat

Triaxial Cell—Major PartsDescriptionItemCrosshead1Crosshead Mounting Plate2Reaction Column3Seals4Upper Confining Fluid Port5Pressure Relief Valve6Seal

DescriptionItemSpecial Use Ports8Lower Confining Fluid Port9Insulation/Spacer Plate10Actuator Piston11Heating Rods12Lower Vent13Pore Pressure Ports14H

Platen Assembly—Major PartsDescriptionItemBNC Connector Panel1Confining Fluid Port2Electrical Feedthroughs3Platen Assembly—Top View4Connector Panel—Fr

Table of ContentsTechnical SupportHow to Get Technical Support...

Ready to Run a Compression TestDescriptionItemUpper Confining Fluid Port1Plugged Port2Specimen and Extensomters3Special Use Ports4Lower Confining Flui

DescriptionItemSpherical Platen10Platen Seal11Upper Vent12To run this test, some ports closed during pore pressure or extension tests are now open and

DescriptionItemSpecimen and Extensometers4End Cap Seal5Special Use Ports6Lower Confining Fluid Port7Lower Vent8Pore Pressure Ports9Cable Feedthrough10

Model 656.06Model 656.05Model 656.04SpecificationAmbientAmbient10° F (-23° C)Minimum OperatingTemperatureTriaxial Cell Product Information | 33Introdu

OperationTopics:•Operation...

OperationThis chapter describes how to set up and run tests on your Triaxial Cell.Performing Tests details how to run tests on the Triaxial Cell. It c

DescriptionItemLoosen the cap screws so the bell is no longer firmly attached.2Push the bell forward on the rails into the load frame.3Hand-tighten th

DescriptionItemTop1Upper End Cap2Specimen3Jacket4Guide Rod5Lower End Cap6Base7Assembled Height: 11 in (280 mm)82. Before shrinking the jacket and wiri

Prepare the Specimen for Compression Tests1. Assemble your specimen.The spherical platen needs a 1.5 in. (38 mm) upper end cap to work correctly.Use a

Install the Spherical Platen...69Plug the Ports...

Install the Extensometer AssemblyRaise and Lock the BellNote: Skip this section if the bell is up, locked in place, and you've turned load unit h

Important: Don’t let them dangle from the bell — they can damage the threads in the platenassembly.Remove the Cap Screws2. Switch on electrical power

Raise the Bell7. Turn off load unit hydraulic pressure.Install the Specimen for Extension/Pore Pressure TestsBefore installing a specimen, lubricate d

Put the Specimen on the Platen AssemblyDescriptionItemDowel Pin1O-Ring2Hardline *Not used on extension tests.32. Switch on electrical power at your te

Apply a 1% Preload6.Warning:The next steps put your hands in a crush zone with hydraulic pressure on.Keep your hands out of the crush zone except when

Attach the End Caps7. Install the extensometer assembly on the specimen. (The hardline can make this an exasperating task.)Make your cable connections

Install the Extensometer AssemblyDescriptionItemPull gently to check the cabling.1Install the extensometers.2Connect the cables.3Connect the cables.48

Install the HardlinesInstall the Specimen for a Compression Test1.Danger:The next step puts your hand in a crush zone.Hands can be crushed and equipme

2. If you have not yet done so, switch on power at your test controller.3. Select Force Control as active control mode.Select the operating range you

Apply a 1% PreloadWarning:The next step puts your hand in a crush zone with the hydraulic pressure on.Hands can be crushed and equipment can be damage

Technical SupportHow to Get Technical SupportStart with your manualsThe manuals supplied by MTS provide most of the information you need to use and ma

Connect the ExtensometersDescriptionItemPull gently to check cabling.1Connect cables.2Pressurize the Triaxial CellNote:You must know how to operate yo

Lower the Bell3. Change the mode selector to Run.Note:Check the sealing cap screw threads to make sure they are in good shape. If they are dry, lubeth

7. Operate your confining pressure intensifier to purge the Cell of air and fill it with confining fluid. TheCell is filled with fluid when fluid retu

Apply Confining Pressure9. Clear the force interlocks. Increase the compressive force on the specimen.Fully Increase the Compressive Force10. If you a

Apply Pore PressureCaution:You will blow out the jacket if you let the pore pressure get higher—even for a second—thanthe confining pressure.Remove th

Reduce the Compressive ForceIf the specimen has failed, first do steps 3 – 5, then go on to step 6.3. Display the displacement control channel’s dc er

7. Remove confining pressure.8. Use compressed air from the confining intensifier to drain the Triaxial Cell of confining fluid.56 | Triaxial Cell Pro

Drain the CellThe cell is drained when the confining intensifier’s reservoir begins bubbling vigorously.Warning:You could get sprayed with debris and

10. Unscrew and remove the eight sealing cap screws.Remove the Cap Screws11. Raise the bell, and lock it in an open position.Raise the Bell58 | Triaxi

12.Warning:The next two steps put your hand in a crush zone with the hydraulic pressure on.Hands can be crushed and equipment can be damaged equipment

When you have more than one MTS system, the system job number identifies your system. You can findyour job number in your order paperwork.Example syst

Remove the extensometers.Remove the Extensometers14. If your specimen has failed, clear the interlocks and skip ahead to step 16.15. Clear the displac

Retract the ActuatorWait till the specimen breaks loose.16. Fully retract the actuator.17.Danger:The next step puts your hand in a crush zone.Hands ca

18. Wipe the platen assembly free of debris. Make sure debris is removed from feedthrough holes and bellseal screw holes.Clean the Assembly PlatenChan

Changing to a Compression Test SetupThis procedure has four major tasks:1. Raise and lock the bell.2. Change the force transducer (optional).3. Instal

DescriptionItemLower Confining Fluid Port6Lower Vent7Pore Pressure Ports8Spherical Platen9Platen Seal10Shoulder Bolt and O-Ring11Force Transducer O-Ri

Important: Don’t let them dangle from the bell — they can damage the threads in the platenassembly.Remove the Cap Screws2. Switch on electrical power

Raise the Bell7. Turn off load unit hydraulic pressure.Change the Force TransducerNote:Skip this section if you are not changing force transducers.1.

300 and 600 kip (1300 and 2600 kN) Force TransducersDescriptionItemO-Ring1#4 Cap Screw22.Danger:The next step puts your hand in a crush zone.Hands can

Remove the Force TransducerNote: Inspect and clean the shoulder bolt’s threads. Then lightly lubricate them with cleanconfining fluid. Also lubricate

Install the InsertDescriptionItemHoles must face out.1O-Ring2Tap in place.37. Connect the force transducer’s cable to its feedthrough in the platen.In

— Messaging applicationsIf You Contact MTS by PhoneA Call Center agent registers your call before connecting you with a technical support specialist.

2.Danger:The next step puts your hand in a crush zone.Hands can be crushed and equipment can be damaged equipment when hydraulics areturned on.Make su

Plug PortsDescriptionItemRemove1Plug22. Remove the vent line from the upper vent fitting. Plug this fitting.Plug the Upper Vent LineDescriptionItemRem

DescriptionItemCrosshead—Bottom View2Changing to an Extension-Pore Pressure Test SetupThis section tells you what must be done to go from a compressio

DescriptionItemUpper Confining Fluid Port1Force Transducer2Insert and O-Ring3Plugged Port4Special Use Ports5Lower Confining Fluid Port6Lower Vent7Pore

Important: Don’t let them dangle from the bell — they can damage the threads in the platenassembly.Remove the Cap Screws2. Switch on electrical power

Raise the Bell7. Turn off load unit hydraulic pressure.Remove the Spherical Platen1. Turn off load unit hydraulic pressure.2.Danger:The next step puts

Remove the Spherical PlatenDescriptionItemUnscrew1Support2As you undo the cap screws, the lower half of the platen may separate from the upper half. B

DescriptionItemO-Ring1#6 Cap Screw2300 and 600 kip (1300 and 2600 kN) Force TransducersDescriptionItemO-Ring1#4 Cap Screw22.Danger:The next step puts

Remove the Insert4. Remove the force transducer.Remove the Force TransducerNote: Inspect and clean the shoulder bolt’s threads. Then lightly lubricate

DescriptionItemTighten to 20 lb•ft (28 N•m)2Caution:Install the insert so the side with three holes faces out. If this side faces in, the insert’sO-ri

• Write down any specific instructions.After you callMTS logs and tracks all calls to ensure that you receive assistance for your problem or request.

Unplug LinesDescriptionItemInstall Hose1Unplug2Unplug *for pore tests only32. Unplug the upper vent line. Install a vent hose on this line’s fitting.

DescriptionItemUnplug2Crosshead—Looking up3Triaxial Cell Product Information | 81Operation

MaintenanceTopics:•Maintenance...

MaintenanceUser Maintenance• Always use clean confining fluid. Contaminants can increase the fluid's electrical conductivity. This willaffect the

MTS Systems Corporation14000 Technology DriveEden Prairie, Minnesota 55344-2290 USAToll Free Phone: 800-328-2255(within U.S. or Canada)Phone:952-937-4

PrefaceBefore You BeginSafety first!Before you use your MTS product or system, read and understand the safety information provided withyour system. Im