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MTS Triaxial Cell Models 656-06 User Manual

Page 28

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Description

Item

Special Use Ports

8

Lower Confining Fluid Port

9

Insulation/Spacer Plate

10

Actuator Piston

11

Heating Rods

12

Lower Vent

13

Pore Pressure Ports

14

High Pressure Seal

15

Platen Assembly

16

Bell

17

Force Transducer

18

Reaction Column Seal

19

Upper Vent

20

Eight sealing cap screws attach the bell to the platen assembly to make a sealed pressure chamber for
the specimen.

Confining fluid enters the chamber through the lower confining fluid port. It drains through this port when
compressed air enters the upper confining fluid port. The pressure relief valve opens when pressures rise
above a preset limit.

Pore pressure enters through the pore pressure ports during pore pressure tests. The upper and lower
vents stay open in compression tests to alert you to O-ring failure. The special use ports are for custom
uses.

The internally mounted force transducer directly reads the true deviatoric load on the specimen. Two force
ratings are available.

Optional internal heating rods heat the chamber. The platen assembly has fluid ports and electrical
feedthroughs.

28 | Triaxial Cell Product Information

Introduction

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