ASTM F1093-99(2007)
(Test Method)Standard Test Methods for Tensile Strength Characteristics of Oil Spill Response Boom
Standard Test Methods for Tensile Strength Characteristics of Oil Spill Response Boom
SIGNIFICANCE AND USE
Boom sections are frequently combined into assemblages hundreds of meters in length prior to towing through the water to a spill site. The friction of moving long boom assemblages through the water can impose high tensile stresses on boom segments near the tow vessel.
Tensile forces are also set up in a boom when it is being towed in a sweeping mode. The magnitude of this tensile force can be related to the immersed depth of the boom, the length of boom involved, the width of the bight formed by the two towing vessels, and the speed of movement.
Note 1—When the towing speed exceeds about 1 knot (0.5 m/s), substantial oil will be lost under the boom.
Knowledge of maximum and allowable working tensile stresses will help in the selection of boom for a given application and will permit specification of safe towing and anchoring conditions for any given boom.
SCOPE
1.1 These test methods cover static laboratory tests of the strength of oil spill response boom under tensile loading.
1.2 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 and determine the applicability of regulatory limitations prior to use. For a specific hazard statement, see Section 7.
General Information
Relations
Standards Content (Sample)
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
Designation:F1093–99 (Reapproved 2007)
Standard Test Methods for
Tensile Strength Characteristics of Oil Spill Response
Boom
This standard is issued under the fixed designation F1093; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 3.1.6 end connector—a device permanently attached to the
boom used for joining boom sections to one another or to other
1.1 These test methods cover static laboratory tests of the
accessory devices.
strength of oil spill response boom under tensile loading.
3.1.7 fence-type boom—a boom consisting of self-
1.2 This standard does not purport to address all of the
supporting or stiffened membrane supported by floatation. See
safety concerns, if any, associated with its use. It is the
Appendix X1.
responsibility of the user of this standard to establish appro-
3.1.8 float—that separable component of a boom that pro-
priate safety and health practices and determine the applica-
vides buoyancy.
bility of regulatory limitations prior to use. For a specific
3.1.9 freeboard—the vertical height of the boom above the
hazard statement, see Section 7.
water line.
2. Referenced Documents
3.1.10 hinge—location between boom segments at which
the boom can be folded back 180° upon itself.
2.1 ASTM Standards:
3.1.11 skirt—the continuous portion of the boom below the
F818 Terminology Relating to Spill Response Barriers
floats.
F962 Specification for Oil Spill Response Boom Connec-
3.1.12 tension member—any component which carries hori-
tion: Z-Connector
zontal tension loads imposed on the boom.
3. Terminology
4. Summary of Test Method
3.1 Definitions—The following definitions, quoted from
4.1 A specimen of spill containment boom is tested by
Terminology F818, are used in these test methods
subjecting the specimen to cyclic tests to 100 % of the
3.1.1 anchor point—a structural point on the end connector
manufacturer’s rated tensile strength, and by applying tensile
or along the length of a boom section designed for the
loading which progressively deforms the specimen to the point
attachment of anchor or mooring lines.
of failure. Similarly, a typical anchor point and towing device
3.1.2 ballast—weight applied to the skirt to improve boom
are tested in an additional tensile test. For each phase of the
performance.
test, values of tensile load and deformation are observed and
3.1.3 boom section—the length of boom between two end
recorded, and modes of failure are described.
connectors.
3.1.4 boom segment—repetitive identical portion of the
5. Significance and Use
boom section.
5.1 Boom sections are frequently combined into assem-
3.1.5 curtain-type boom—a boom consisting of a flexible
blages hundreds of meters in length prior to towing through the
skirt supported by flotation. See Appendix X1.
water to a spill site. The friction of moving long boom
assemblages through the water can impose high tensile stresses
1 on boom segments near the tow vessel.
These test methods are under the jurisdiction of ASTM Committee F20 on
Hazardous Substances and Oil Spill Response and are the direct responsibility of 5.2 Tensile forces are also set up in a boom when it is being
Subcommittee F20.11 on Control.
towed in a sweeping mode. The magnitude of this tensile force
Current edition approved April 1, 2007. Published May 2007. Originally
can be related to the immersed depth of the boom, the length of
approved in 1991. Last previous edition approved in 1999 as F1093 – 99. DOI:
boom involved, the width of the bight formed by the two
10.1520/F1093-99R07.
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
towing vessels, and the speed of movement.
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
NOTE 1—When the towing speed exceeds about 1 knot (0.5 m/s),
Standards volume information, refer to the standard’s Document Summary page on
the ASTM website. substantial oil will be lost under the boom.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Please contact ASTM International (www.astm.org) for the latest information.
F1093–99 (2007)
5.3 Knowledge of maximum and allowable working tensile due to gravity forces may be placed on such boom if tested
stresses will help in the selection of boom for a given with the apparatus described above, the following described
application and will permit specification of safe towing and apparatus may be substituted. Test apparatus which lays the
anchoring conditions for any given boom. boom in a horizontal and continuously supported manner or
one which provides support similar to that provided by the
6. Apparatus
water (that is, a split table supporting the boom in an upright
6.1 Load Application Device—A suitable load application
manner) will be satisfactory.
device, such as a hydraulic jack, shall be provided. The device
7. Hazards
must be capable of applying loads somewhat in excess of the
predicted failure load on the boom.
7.1 Failure of a loaded containment boom can release a
6.2 Tensiometer—A tensiometer shall be selected which substantial amount of energy. During testing, personnel and
will encompass the range of values from no load up to the
equipment shall be positioned and protected so that sudden
maximum boom tensile load which might reasonably be failure of the test specimen is unlikely to cause injury or
expected prior to failure of the boom.
damage.
6.3 End Supports—The test bed provided shall have end
8. Procedure
supports of sufficient strength and rigidity to resist significant
deformationunderthemaximumloadsexpectedduringtesting. 8.1 Determination of Boom Tensile Strength:
6.4 Towing Devices and Connectors—At least one of the 8.1.1 Test Bed Preparation—Prepare a test bed with two
manufacturer’s standard tow bridles or towing devices shall be end supports separated with sufficient clearance for the boom
used at the leading end of the boom specimen (where the load specimen,twotowingdevices,andtestingequipmentasshown
is applied).Asimilar tow bridle or towing device shall be used in Fig. 1. Mount the specimen with one towing device attached
at the trailing end if the test apparatus is long enough. directly to one of the end supports. Alternately, the connector
However, if it is not, the connector at the trailing end of the at the trailing end of the test specimen may be attached to a
specimen may be attached directly to a connector fixed to that Specification F962 connector fixed to the end support of the
end support of the test apparatus. Suitable shackles, cables, test apparatus as shown in Fig. 2. The tensiometer is used to
chains, and so forth, shall be provided to connect the towing link the towing device at the other end of the boom specimen
adapters to the test equipment, as diagrammed in Figs. 1-3. to the load application device and hence to the second end
6.5 Gage Points—Gage points shall be affixed to each end support. Suitable shackles, chains, cable, and so forth, can
of the test specimen to facilitate measurement of elongation ordinarily be used for making connections. However, in some
during the course of the test. cases it may be necessary to design and fabricate special
6.6 Elongation Measurement Scale—A suitable measuring connec
...
Questions, Comments and Discussion
Ask us and Technical Secretary will try to provide an answer. You can facilitate discussion about the standard in here.