2010 Rev. 1
Section
1
19
Section
1
D
URHAM
G
EO
S
LOPE
I
NDICATOR
SOILS
Permeability and Triaxial Shear
ASTM* D 2850, D 4767, D 5084 AASHTO* T 296, T 297
* See Standards Buyer's Guide at www.DGSI.info/3000.
The DGSI Triaxial and Permeability Cells are designed to accommodate
samples with diameters from 1.4 to 12 in (35 mm to 305 mm). They feature
no-volume-change valves and removable base pedestals to accommodate
various sample sizes and the piston housing features linear bearings for
reduced friction. Two top and two bottom drainage lines are provided with
through-base-sealing to avoid air traps.
S-480 is the standard model for testing test specimens up to 4-in diam-
eter and about 6-in in length. It is equipped with both 1.4 and 2.8-in cap
and pedestal set made of series 303 stainless steel (SS). In addition, the
valves are stainless steel and tubing is Teon. These are for customers
that might be testing material where the permeant is corrosive or they need
to test both 1.4 and 2.8-in specimens. Finally, the customer may decide on
the standard models because the SS valves will not tarnish with age. Note:
If the permeant is corrosive the customer will require the S-470 permeant
interface device to protect the control panels.
Designed to provide outstanding service and performance. The cells have
hard-coated, black anodized aluminum bases and cell tops, while remain-
ing parts are made of stainless steel, brass or acrylic.
Measuring changes of the test specimen length during testing:
• S-500 series triaxial cell equipped with bracket for mounting dial
indicator (E-814) or displacement sensor LDT E-311.
• S-480 series triaxial cells do not have that provision. To measure
height change during testing, use S-500 series triaxial cells.
When using corrosive permeants, always select permeability cells with stainless steel valves. In addition, the Permeant Interface Device,
(S-470) is recommended to prevent the permeants from entering the panels. See page 26 for details.
Step 1. Select Permeability and/or Triaxial Cells
S-480 Permeability Cell
shown with a Pore-Pressure
Transducer (sold separately).
S-511 Triaxial and Permeability Cell
Item # Cell Type Accessories Supplied Cap and Pedestal Valves Can Accomodate
Shipping
Weight
Permeability Triaxial Inches (mm) Acrylic
Stainless
Steel
Brass
Stainless
Steel
Inches (mm) lb
S-480A
ü
2.8 (71)
ü ü
1.4 to 4.0 (36 to 102) 16
S-483A
ü
3.0 (76) (extended chamber)
ü ü
1.4 to 4.0 (36 to 102) 21
S-480
ü ü ü
1.4 to 4.0 (36 to 102) 16
S-510A
ü ü
2.8 (71)
ü ü
1.4 to 2.8 (36 to 71) 21
S-510
ü ü
1.4 (36), 2.8 (71)
ü ü
1.4 to 2.8 (36 to 71) 21
S-511
ü ü
4.0 (102)
ü ü
1.4 to 4.0 (36 to 102) 35
S-516
ü ü
6.0 (152)
ü ü
2.8 to 6.0 (71 to 152) 58
Special Order Products (Contact DGSI for details)
S-484
ü
6.0 (152)
ü ü
2.8 to 6.0 (71 to 152) 58
S-485
ü
12.0 (305)
ü ü
4.0 to 12.0 (102 to 305) 78
S-518
ü ü
12.0 (305)
ü ü
4.0 to 12.0 (102 to 305) 78
Resilient Modulus Testing Cell (See p. 26 for more info)
S-517
ü ü
6.0 (152)
ü ü
4.0 to 6.0 (102 to 152) 56
Related Items for Cell Types (optional)
S-51001 Triaxial Cell Top w/ Loading Rod S-51050 Resilient Modulus Kit for S-510 cell
S-51003
Converts S-480/S-480A -to- S-510/S-510A.
includes triaxial cell top, chamber (10¾ in long) and tie rods
S-51150 Resilient Modulus Kit for S-511 cell
Note: All cells include cap and pedestal set (sizes and type below), one pair of porous stones, two plastic discs, Nylon tubing and O-rings.
Know the following before making your selection:
!
• Will you be performing triaxial tests, permeability tests, or both?
• What size samples will you be testing?
• How many simultaneous tests will you be performing?
How To Order
(5 Seiten)
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