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Scope

1.1 This index test method establishes the guidelines, requirements and procedures for evaluating the ability of unvegetated Rolled Erosion Control Products (RECPs) to protect soil (sand) from hydraulically induced shear stress in a bench-scale apparatus.

1.2 This index test method utilizes bench-scale testing procedures and shall not be interpreted as indicative of field performance.

1.3 This index test is not intended to replace full-scale simulation or field testing in acquisition of performance values that are required in the design of erosion control measures utilizing unvegetated RECPs.

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.

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.

Significance and Use

This index test method indicates an unvegetated RECP’s ability to reduce soil erosion caused by shear stress induced by moving water under bench-scale conditions. Only tangential shear is measured in this method. Radial and uplift forces generated by the circular motion of the water are not measured.

This test method is bench-scale and therefore, appropriate as an index test for general soil/product composite behavior under hydraulic shear conditions, and for product quality assurance/conformance testing. The results of this test shall not be interpreted as indicative of field performance.

Keywords

erosion control; RECP; rolled erosion control product; shear stress; shear stress ratio; ICS Number Code 13.080.05 (Examination of soil in general)

To find similar documents by ASTM Volume:

04.09 (Soil and Rock (II): D5877 - latest)

To find similar documents by classification:

13.080.05 (Examination of soils in general Including sampling)

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