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ASTM D 3550 Document Information:
Title
Standard Practice for Thick Wall, Ring-Lined, Split Barrel, Drive Sampling of Soils
ASTM International
Publication Date:
Jan 10, 2001
Scope:
This practice covers procedure for thick wall, split barrel
drive sampling of soil to obtain representative samples of soil for
classification and laboratory testing. The sampler is considered to
be a thick wall sampler with sharpened cutting shoe and ball check
vent. The middle barrel section is often of split barrel design,
but a solid barrel can be used and both may contain ring liners.
The sampler is often driven, but can also be pushed in softer
deposits. Penetration resistance data may be recorded. This
standard uses procedures similar to Test Method D 1586 on
Penetration Resistance and Split Barrel Sampling of Soils. However,
in this practice, differing hammer weights, drop heights, and
different size samplers are used, so the data must not be reported
as conforming to Test Method D 1586 and cannot be used to determine
Normalized penetration resistance data for sands in accordance with
Practice D 6066.
This practice involves use of rotary drilling equipment (Guide D
5783, Practice D 6151). Other drilling and sampling procedures
(Guide D 6286, Guide D 6169) are available and may be more
appropriate. Considerations for hand driving or shallow sampling
without boreholes are not addressed. Subsurface investigations
should be recorded in accordance with practice Guide D 5434. Soil
samples should be classified in accordance with Practice D
2488.
This practice may or may not provide a sample suitable for
advanced laboratory tests such as shear or consolidation testing.
It is up to the user to determine if the sample quality is suitable
for advanced laboratory testing for engineering properties. Driven
samples can be more easily disturbed than pushed samples such as
the thin wall tube in accordance with Practice D 1587. However,
thin wall tubes cannot be used in harder soils. In cases where it
has been established that the quality of the thick wall driven
sample is adequate, this practice may provide shear and
consolidation specimens that can be used directly in the test
apparatus without prior trimming. Some types of soils may gain or
lose significant shear strength or compressibility, or both, as a
result of sampling. In cases like these, suitable comparison tests
should be made to evaluate the effect of sample disturbance on
shear strength and compressibility.
This guide does not purport to comprehensively address all of
the methods and the issues associated with soil sampling. Users
should seek qualified professionals for the decisions as to the
proper equipment and methods that would be most successful for
their site investigation. Other methods may be available for
monitoring soil sampling and qualified professionals should have
flexibility to exercise judgement as to possible alternatives not
covered in this guide. The practice is current at the time of
issue, but new alternative and innovative methods may become
available prior to revisions, therefore, users should consult with
manufacturers or producers prior to specifying program
requirements.
This practice offers an organized collection of information
or a series of options and does not recommend a specific course of
action. This document cannot replace education or experience and
should be used in conjunction with professional judgement. Not all
aspects of this practice may be applicable in all circumstances.
This ASTM standard is not intended to represent or replace the
standard of care by which the adequacy of a given professional
service must be judged, nor should this document be applied without
consideration of a project's many unique aspects. The word
"Standard" in the title of this document means only that the
document has been approved through the ASTM consensus
process.
This standard does not purport to address all of the safety
concerns, if any, associated with its use. It is the responsibility
of the user of this standard to establish appropriate safety and
health practices. The user must comply with prevalent regulatory
codes, such as OSHA (Occupational Health and Safety Administration)
guidelines while using this practice. For good safety practice,
consult applicable OSHA regulations and other safety guides on
drilling.2
*A Summary of Changes section appears at the end of this
standard.
2 Drilling Safety Guide, National Drilling
Association, 6089 Frantz Rd. Suite 101, Dublin, Ohio, 43017.
Keywords:
- penetration resistance
- ring lined
- soil sampling
- split barrel
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