2010 Rev. 1
Section
1
25
Section
1
D
URHAM
G
EO
S
LOPE
I
NDICATOR
SOILS
Permeability and Triaxial Shear
2.875 in x 6 in Compaction Mold
The 2.875-in diameter x 6-in
Compaction Mold is used to
remold cohesive soil samples
for permeability and triaxial
testing. Made of plated steel and
includes the mold body, base
and top collar. Cohesive soils
are compacted into the mold
with either the S-575 Kneading
Compactor, S-577 Sliding Weight
Hammer or the S-57728 Gauge
Block and Rubber Mallet. Samples are extruded from the mold
using the S-329 Sample Ejector with the S-32924 adapter.
S-57729
S-57729 2.875 x 6 in Compaction Mold, Base and Collar 10 lb
Accessories
S-577 Sliding Weight Hammer 8 lb
S-57730 Aluminum Spacer Plug for S-57729, 2.85 dia. x 2 in 4 lb
S-57728 2.8 in Gauge Block with 1 in increments 4 lb
S-57728M 2.8 in Gauge Block with 25.4 mm increments 4 lb
S-575 Kneading Compactor 20 lb
S-329 Sample Ejector, 4 and 6 in
S-32924 2.8 in adapter plate for sample ejector
Split Compaction
Mold
Machined aluminum molds
for remolding test specimens
from cohesive soils. Molds are
designed to t directly over the
pedestals of our triaxial cells.
These molds may be used either
with or without collars.
S-57528
Triaxial Specimen Preparation - Split Molds*
Diameter Compaction** Miter Box Vacuum
(in) (cm)
1.4 3.5 S-57514 S-57414 S-57214
2.0 5 S-57520 S-57420 S-57220
2.5 6.3 S-57525 S-57425 S-57225
2.8 7.1 S-57528 S-57428 S-57228
3.0 7.6 S-57530 N/A N/A
4.0 10.2 S-57540 S-57440 S-57240
*Other sizes available **Collar available as special order
Step 6. Select Sample Preparation Tools
Split Vacuum Mold
Machined aluminum molds
for remolding sands and
other cohesionless soils.
Designed to t directly
onto the DGSI triaxial
cell pedestal. A vacuum
line is supplied to apply
vacuum to the membrane
while the test specimen is
being molded. The base
of mold has space for the
membrane and “O” rings
while being attached to
the pedestal.
S-57228 & S-57214
Split Miter Box
Machined aluminum miter boxes
for trimming ends square on
undisturbed samples of clays and
other cohesive soils.
S-57428
Soil Type:
Accessory Item:
Cohesive
• Clays
• Silty Clays
Cohesionless
• Sands
• Silty Sands
Undisturbed
Samples
Compaction Mold
ü
Split Compaction Mold
ü
Split Vacuum Mold
ü
Split Miter Box
ü ü
Soil Lathe
ü ü
Wire Saw
ü ü
Sliding Weight Hammer
ü ü
Gauge Block
ü ü
Sample Extractor
ü ü
Membrane Stretcher
ü ü ü
When choosing accessories for permeability / triaxial testing, be
sure that consideration has been taken regarding which type of
soil or materials are being tested. See the chart below for general
recommendations.
(5 pagine)
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