ASTM D6459-99

Standard Test Method for Determination of Erosion Control Blanket (ECB) Performance in Protecting Hillslopes from Rainfall-Induced Erosion

SCOPE
1.1 This test method covers the guidelines, requirements and procedures for evaluating the ability of Erosion Control Blankets (ECBs) to protect hillslopes from rainfall-induced erosion. Critical elements of this protection are the ability of the ECB to:
1.1.1 Absorb the impact force raindrops, thereby reducing soil particle loosening through "splash" mechanisms;
1.1.2 Slow runoff and encourage infiltration, thereby reducing soil particle displacement and transport through "overland flow" mechanisms;
1.1.3 Absorb shear forces of overland flow; and,
1.1.4 Trap soil particles beneath.
1.2 This test method utilizes full-scale testing procedures, rather than reduced-scale (bench-scale) simulation, and is patterned after conditions typically found on construction sites at the conclusion of earthwork operations, but prior to the start of revegetation work. Therefore this considers only unvegetated conditions.
Note 1--Future revisions may consider partial or fully vegetated conditions.
1.3 This test method provides a comparative evaluation of an ECB to baseline bare soil conditions under controlled and documented conditions.
1.4 The values stated in SI units are to be regarded as standard. The inch-pound values given in parentheses are provided for information purposes only.
1.5 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. Also, the user must comply with prevalent regulatory codes, such as OSHA (Occupational Health and Safety Administration) guidelines, while using the test method.

General Information

• Status: Historical
• Publication Date: 09-Oct-1999
• ICS: 13.080.01 - Soil quality and pedology in general
• Technical Committee: D18 - Soil and Rock
• Drafting Committee: D18.25 - Erosion and Sediment Control Technology

Relations

• Replaced By: ASTM D6459-07 - Standard Test Method for Determination of Rolled Erosion Control Product (RECP) Performance in Protecting Hillslopes from Rainfall-Induced Erosion
• Effective Date: 01-Jul-2007

Standards Content (Sample)

NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: D 6459 – 99
Standard Test Method for
Determination of Erosion Control Blanket (ECB)
Performance in Protecting Hillslopes from Rainfall-Induced
1
Erosion
This standard is issued under the fixed designation D 6459; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 2. Referenced Documents
1.1 This test method covers the guidelines, requirements 2.1 ASTM Standards:
and procedures for evaluating the ability of Erosion Control C 136 Test Method for Sieve Analysis of Fine and Course
2
Blankets (ECBs) to protect hillslopes from rainfall-induced Aggregates
3
erosion. Critical elements of this protection are the ability of D 422 Test Method for Particle-Size Analysis of Soils
the ECB to: D 698 Test Method for Laboratory Characteristics of Soil
4
1.1.1 Absorb the impact force of raindrops, thereby reduc- Using Standard Effort
ing soil particle loosening through “splash” mechanisms; D 2974 Standard Test Methods for Moisture, Ash, and
3
1.1.2 Slow runoff and encourage infiltration, thereby reduc- Organic Matter of Peat and Other Organic Soils
ing soil particle displacement and transport through “overland D 4318 Standard Test Method for Liquid Limit, Plastic
3
flow” mechanisms; Limit, and Plasticity Index of Soils
1.1.3 Absorb shear forces of overland flow; and,
3. Terminology
1.1.4 Trap soil particles beneath.
1.2 This test method utilizes full-scale testing procedures, 3.1 Definitions of Terms Specific to This Standard:
3.1.1 erosion control blanket (ECB), n—a degradable ma-
rather than reduced-scale (bench-scale) simulation, and is
patterned after conditions typically found on construction sites terial, composed primarily of processed natural organic mate-
rials, manufactured or fabricated into rolls designed to reduce
at the conclusion of earthwork operations, but prior to the start
of revegetation work. Therefore this considers only unveg- soil erosion and assist in the growth, establishment and
etated conditions. protection of vegetation.
3.1.2 erosion control net (ECN), n—a planar woven natural
NOTE 1—Future revisions may consider partial or fully vegetated
fiber or extruded synthetic mesh used as a component in the
conditions.
manufacture of ECBs.
1.3 This test method provides a comparative evaluation of
3.1.3 index test, n—a test procedure which may contain a
an ECB to baseline bare soil conditions under controlled and
known bias, but which may be used to establish an order for a
documented conditions.
set of specimens with respect to the property of interest.
1.4 The values stated in SI units are to be regarded as
3.1.4 lot, n—a unit of production, or a group of other units
standard. The inch-pound values given in parentheses are
or packages, taken for sampling or statistical examination,
provided for information purposes only.
having one or more common properties and being readily
1.5 This standard does not purport to address all of the
separable from other similar units.
safety concerns, if any, associated with its use. It is the
3.1.5 natural, n—a class name of various fibers of animal,
responsibility of the user of this standard to establish appro-
mineral or vegetable origin.
priate safety and health practices and determine the applica-
3.1.6 openweavetextile(OWT),n—atemporarydegradable
bilityofregulatorylimitationspriortouse. Also, the user must
ECB composed of natural or polymer yarns woven into a
comply with prevalent regulatory codes, such as OSHA (Oc-
matrix used to provide erosion control and facilitate vegetation
cupational Health and SafetyAdministration) guidelines, while
establishment.
using the test method.
1
This test method is under the jurisdiction of ASTM Committee D-18 on Soil
2
andRock;SubcommitteeD18.25onErosionandSedimentControlTechnology;and Annual Book of ASTM Standards, Vol 04.02.
3
is the direct responsibility of Section .02 on Erosion Control Blankets (ECBs). Annual Book of ASTM Standards, Vol 04.08.
4
Current edition approved Oct. 10, 1999. Published January 2000. Annual Book of ASTM Standards, Vol 15.09.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
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D 6459
3.1.7 polymer, n—a chemical compound or mixture of 5.1.1 Reduce soil loss and sediment concentrations in
compounds formed by polymerization and consisting essen- stormwaterrunoffunderconditionsofvaryingrainfallintensity
tially of repeating molecular structural units.
and soil type, and;
3.1.8 sample, n—a portion of material which is taken for
5.1.2 Improve water quality exiting
...