ASTM D8490-23 PDF

Scope: 1.1 This test method covers the determination of the Image Opening Size (IOS) of a geotextile by image analysis. 1.2 This test method shows values in both SI units and inch-pound units. SI units is the technically correct name for the system of metric units known as the International System of Units. Inch-pound units is the technically correct name for the customary units used in the United States. The values in inch-pound units are provided for information only. 1.3 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, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.4 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.

ASTM D8490-23 Referenced Document

ASTM D123 Standard Terminology Relating to Textiles*， 2023-09-14 Update
ASTM D4354 Standard Practice for Sampling of Geosynthetics for Testing
ASTM D4439 Standard Terminology for Geosynthetics*， 2024-02-01 Update
ASTM D4751 Standard Test Method for Determining Apparent Opening Size of a Geotextile
ASTM E11 Standard Specification for Wire Cloth and Sieves for Testing Purposes
ISO 12956 Geotextiles and geotextile-related products — Determination of the characteristic opening size

2023 ASTM D8490-23a Standard Test Method for Determining the Pore Size Characteristics of Geotextiles Using an Optical Method
2023 ASTM D8490-23 Standard Test Method for Determining the Opening Size of Circular Knit Geotextiles Using an Optical Method