ASTM D8199 - 20 (2025) 侵蚀控制用液压纤维基产品比强度测定的标准试验方法

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Designation: D8199 −20 (Reapproved 2025)
Standard Test Method for
Determining the Speciﬁc Strength of Hydraulically Applied
Fiber Matrix Products for Erosion Control
1
This standard is issued under the ﬁxed designation D8199; 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
1.1 This standard provides a quantitative test method to
determine the speciﬁc strength of hydraulically applied ﬁber
matrix products using dry and wet preparation methods in a
laboratory setting. This method is designed for use as an index
test for product quality assurance or quality control, or both to
comply with manufacturing requirements. This test method is
not indicative of product performance in the ﬁeld.
1.2 Units—The values stated in SI units are to be regarded
as the standard. The values given in parentheses are provided
for information only and are not considered standard. Report-
ing of test results in units other than SI shall not be regarded as
nonconformance with this standard.
1.3 All observed and calculated values shall conform to the
guidelines for signiﬁcant digits and rounding established in
Practice D6026, unless superseded by this test method.
1.3.1 The procedures used to specify how data are collected/
recorded and calculated in the standard are regarded as the
industry standard. In addition, they are representative of the
signiﬁcant digits that generally should be retained. The proce-
dures used do not consider material variation, purpose for
obtaining the data, special purpose studies, or any consider-
ations for the user’s objectives; and it is common practice to
increase or reduce signiﬁcant digits of reported data to be
commensurate with these considerations. It is beyond the scope
of these test methods to consider signiﬁcant digits used in
analysis methods for engineering data.
1.4 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 appro-
priate safety, health, and environmental practices and deter-
mine the applicability of regulatory limitations prior to use.
1.5 This international standard was developed in accor-
dance with internationally recognized principles on standard-
ization established in the Decision on Principles for the
Development of International Standards, Guides and Recom-
mendations issued by the World Trade Organization Technical
Barriers to Trade (TBT) Committee.
2. Referenced Documents
2.1 ASTM Standards:
2
D76/D76M Speciﬁcation for Tensile Testing Machines for
Textiles
D653 Terminology Relating to Soil, Rock, and Contained
Fluids
D3740 Practice for Minimum Requirements for Agencies
Engaged in Testing and/or Inspection of Soil and Rock as
Used in Engineering Design and Construction
D4753 Guide for Evaluating, Selecting, and Specifying Bal-
ances and Standard Masses for Use in Soil, Rock, and
Construction Materials Testing
D6026 Practice for Using Signiﬁcant Digits and Data Re-
cords in Geotechnical Data
D7986 Practice for Preparing Specimens of Hydraulic Ero-
sion Control Products for Index Property Testing
3. Terminology
3.1 Deﬁnitions:
3.1.1 For deﬁnitions of common technical terms used in this
standard, refer to Terminology D653.
3.2 Deﬁnitions of Terms Speciﬁc to This Standard:
3.2.1 ﬁber matrix product, n—in erosion control, hydrauli-
cally applied product providing enhanced and extended erosion
control protection.
4. Summary of Test Method
4.1 Ten specimens are prepared from a representative
sample in accordance with Practice D7986. Five specimens are
then tested in the dry condition and ﬁve are tested in the wet
condition. Each test specimen is clamped in a Constant Rate of
Extension (CRE) tensile testing machine and a force is applied
to the specimen until it breaks.
1
This test method is under the jurisdiction of ASTM Committee D18 on Soil and
Rock and is the direct responsibility of Subcommittee D18.25 on Erosion and
Sediment Control Technology.
Current edition approved June 15, 2025. Published June 2025. Originally
approved in 2019. Last previous edition approved in 2020 as D8199 – 20. DOI:
10.1520/D8199-20R25.
2
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
contact ASTM Customer Service at www.astm.org/contact. For Annual Book of
ASTM Standards volume information, refer to the standard’s Document Summary
page on the ASTM website.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States
This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the
Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.
1

4.2 The speciﬁc strength is calculated for each specimen as
is the average speciﬁc strength of the ﬁve specimens tested in
the dry and wet conditions.
5. Signiﬁcance and Use
5.1 Speciﬁc strength is a measure of the ability of a ﬁber
matrix product to withstand force applied by a tensile machine
and is useful to understand in order to produce quality
products. Speciﬁc strength is frequently related to the matrix
density, ﬁber quality, ﬁber length and chemistry and can be
used as a measurement for quality assurance or quality control,
or both requirements.
5.2 This method may not be applicable to all hydraulically
applied ﬁber matrix products due to variations in product
chemistry.
NOTE 1—The quality of the result produced by this standard is
dependent on the competence of the personnel performing it, and the
suitability of the equipment and facilities used. Agencies that meet the
criteria of Practice D3740 are generally considered capable of competent
and objective testing/sampling/inspection/etc. Users of this standard are
cautioned that compliance with Practice D3740 does not in itself assure
reliable results. Reliable results depend on many factors; Practice D3740
provides a means of evaluating some of those factors.
6. Apparatus
6.1 Constant Rate of Extension (CRE) Type Tensile Testing
Machine—A device conforming to Speciﬁcation D76/D76M
and designed for operation at a speed of 300 610 mm/min (12
60.5 in./min).
6.2 Measuring Devices—CRE-type machines shall be
equipped with a suitable device for measuring the force, and
when needed, a device to measure extension. These devices
shall conform to Speciﬁcation D76/D76M.
6.3 Clamping Devices—The clamping devices shall con-
form to Speciﬁcation D76/D76M with the following speciﬁc
properties. The jaw faces shall be smooth, ﬂat, and have a
metallic surface. The jaw faces shall be parallel and have
machining centers with respect to one another in the same
clamp and to the corresponding jaw face of the other clamp.
The jaw faces shall measure at least 10 mm (0.5 in.) wider than
the specimen being tested and at least 25 mm (1.0 in.) in
height.
6.4 Balance—Balances shall conform to the requirements of
Guide D4753.
6.4.1 To determine the mass of the specimen, the balance
shall have readability without estimation of 0.01 g. The capac-
ity of this balance will need to exceed the mass of the container
plus a specimen. In general, a balance with minimum capacity
of 600 g is sufficient.
6.5 Soaking Container—An aluminum, or equivalent inert
container with enough capacity to hold ﬁve specimens and test
water. In general, a container with minimum dimensions of 100
by 200 by 60 mm (4 by 8 by 2.4 in.) is typically sufficient.
6.6 Miscellaneous Items—Items such as wooden sticks,
glass rods, spatulas, containers with tight ﬁtting lids, paper
towels, and polystyrene foam plates may be useful.
7. Reagents
7.1 Test Water—Distilled, demineralized, or deionized water
is the only permissible test ﬂuid. The use of tap water is not
permitted.
8. Hazards
8.1 Safety Hazards—Fiber matrix products can be dusty. It
is recommended that eye protection and a dust mask be worn
during sampling and testing.
9. Sampling and Preparation of Test Specimens
9.1 Follow the procedure given in Practice D7986 to obtain
arepresentative sample of the material and then prepare 10
specimens having minimum dimensions of 100 by 130 mm (4
by 5 in.) in size.
NOTE 2—It may be worthwhile to prepare more than 10 specimens in
case extras are needed during testing.
9.2 Dry Preparation—Select 5 of the test specimens and
allow them to equilibrate to the test temperature range of 21 6
2°C (70 64°F) and the relative humidity range of 40 610 %.
Proceed to Section 10.
9.3 Wet Preparation—Fill the soaking container with test
water and soak ﬁve test specimens for 30 minutes. Use a clean,
wooden stick, spatula, or glass rod to hold the test specimens
down in the test water for about ﬁve seconds until the test
specimens are fully hydrated and submerged in the test water.
9.3.1 While the specimens are soaking, cover a disposable,
polystyrene foam plate with a paper towel. After 30 minutes of
soaking, place the test specimens on the paper towel-covered
plate and cover the specimens with another paper towel and
plate to create a “sandwich.” Flip plates over and remove the
top plate, replace the wet paper towel, and repeat this process
for a total of 20 times.
9.3.2 Remove the test specimens from the plate and imme-
diately proceed to Section 10. If testing cannot occur within 5
minutes, place the test specimens in a tightly covered container
to prevent water content changes.
10. Procedure
10.1 Begin with wet specimens ﬁrst. Work quickly to reduce
the potential for changes in the water content.
10.2 Determine and record the mass of each specimen, M
s
,
to the nearest 0.01 g.
10.3 Set the gage length to 75 mm (3 in.).
10.4 Mount the test specimen securely in the clamp of the
testing machine with the 130 mm (5 in.) side vertically. Take
care that the test specimen is centrally located and that the long
dimension is as parallel as possible to the direction of force
application. Make sure the tension on the specimen is uniform
across the clamped width. Clamps which are too tight will
produce breaks at the clamp line; clamps which are too loose
will cause slippage.
10.5 After mounting the test specimen, zero the force (and
gage) indicators as applicable and set the rate of extension to
300 610 mm/min. (12 60.5 in./min). Follow the tensile
testing machine’s manufacturer’s instructions to begin the test.
D8199 − 20 (2025)
2

Once the specimen has failed, read and record the force, P, at

failure to the nearest 0.1 N (0.1 lbf).

10.6 If a specimen slips in the jaws, or breaks at the edge of,

or in the jaws record the test result and indicate on the data

sheet the issue and if applicable, the break location (Note 3).

NOTE 3—The average speciﬁc strength of the group is not calculated

until after all ﬁve specimens have been tested; however, it’s possible to

assess the likelihood that an individual result may be more than 50%

below of the calculated average. In this case, it may be prudent to test an

additional specimen at this time instead of waiting to conﬁrm the results

acceptability.

10.7 Repeat 10.1 through 10.5 until ﬁve specimens have

been tested in both the wet and dry conditions.

11. Calculation or Interpretation of Results

11.1 Calculate the speciﬁc strength, σ, for each specimen

tested using the following equation:

σ5P

(1)

where:

σ= speciﬁc strength, nearest 1 N/g,

P= force at failure, nearest 1 N, and

= mass of specimen, nearest 0.01 g.

11.2 Calculate the average speciﬁc strength of the ﬁve

specimens tested in the dry condition, σ

davg

, and also calculate

the average speciﬁc strength of the ﬁve specimens tested in the

wet condition, σ

wavg

11.3 If any of the individual specimen results are 50 % or

more below the calculated average of the group to which it

belongs, record the result, indicate it is not acceptable, and test

another specimen. If the new test result is acceptable, recalcu-

late the average for the group. If not, continue retesting until

the results of the individual tests are acceptable. Record all test

results regardless of whether they were acceptable or unaccept-

able.

12. Report: Test Data Sheet(s)/Form(s)

12.1 The methodology used to specify how data are re-

corded on the test data sheet(s)/form(s), as given below, is

covered in 1.3 and in Practice D6026.

12.2 Record as a minimum the following general informa-

tion (data):

12.2.1 Identiﬁcation of the material being tested, such as the

product name, lot number, or sample number and supplier

name.

12.2.2 Test specimen number/identiﬁcation and testing

dates and the initials of the person(s) who performed the test.

12.2.3 Describe the product, including the labeling informa-

tion obtained from the original sample, and method of sam-

pling.

12.2.4 Record the apparatus identiﬁcation number for the

equipment used during testing and preparation: the testing

tensile machine, the measuring device, and the balance(s).

12.2.5 The type of clamp used and the size of the jaw faces

to the nearest 10 mm (0.5 in.).

12.3 Record as a minimum the following test specimen

data:

12.3.1 The preparation method for each specimen, dry or

wet, and include reference to Practice D7986.

12.3.2 The mass of each specimen, M

12.3.3 The force at failure, P.

12.3.4 Slipping from jaws or breaks at the edge or in the

jaw, as applicable.

12.3.5 The calculated speciﬁc strength of each specimen

tested regardless of whether or not the result was acceptable or

used in calculations. Indicate results that were not acceptable

and indicate which results were used in the average speciﬁc

strength calculation.

12.3.6 The calculated average speciﬁc strength of accept-

able specimens tested in both the dry and wet conditions.

13. Precision and Bias

13.1 Precision—Test data on precision is not presented due

to the nature of the ﬁber matrix materials tested by this test

method. It is either not feasible or too costly at this time to have

ten or more laboratories participate in a round robin testing

program

13.1.1 Subcommittee D18.25 is seeking any data from users

of this test method that might be used to make a limited

statement on precision.

13.2 Bias—There is no accepted reference value for this test

method, therefore, bias cannot be determined.

14. Keywords

14.1 breaking strength; erosion control; hydraulically ap-

plied ﬁber matrix products; speciﬁc strength; tensile

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in this standard. Users of this standard are expressly advised that determination of the validity of any such patent rights, and the risk

of infringement of such rights, are entirely their own responsibility.

This standard is subject to revision at any time by the responsible technical committee and must be reviewed every ﬁve years and

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D8199 − 20 (2025)

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标签： #标准试验 #纤维 #试验方法

摘要：

该标准规范 ASTM D8199 - 20 (2025) 详细规定了测定侵蚀控制用液压纤维基产品比强度的标准试验方法。该测试方法主要评估液压喷播覆盖材料（如木纤维、纸浆或混合纤维基产品）在应用后的结构完整性和抗拉性能，从而判断其在实际坡面防护与水土流失控制中的耐久性与有效性。通过标准化的实验室拉伸测试程序，该标准帮助制造商、工程设计师和环保监管机构准确量化纤维产品的单位面积强度表现，为产品选型、质量控制及施工验收提供可靠依据。本试验方法适用于各类用于边坡、沟渠及裸露土壤稳定化的液压工程纤维材料，

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