ASTM D5887/D5887M
Standard Test Method for Measurement of Index Flux Through Saturated Geosynthetic Clay Liner Specimens Using a Flexible Wall Permeameter
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About This Item
ASTM D5887/D5887M is the ASTM standard for measuring index flux through saturated geosynthetic clay liner specimens using a flexible wall permeameter. It provides a controlled testing approach for evaluating how water or liquid flows through a saturated GCL specimen under laboratory conditions. This makes it a useful technical document for comparing material performance, supporting quality control, and helping buyers and engineers assess whether a liner product aligns with project requirements.
Purpose of ASTM D5887/D5887M
The purpose of ASTM D5887/D5887M is to define a repeatable test method for index flux measurement on saturated geosynthetic clay liner specimens. By using a flexible wall permeameter, the standard helps create consistent conditions for laboratory evaluation of flow behavior through the material. This is important when product performance must be compared in a uniform way across suppliers, batches, or project submittals. In practice, ASTM D5887/D5887M supports technical review and testing consistency.
Common use cases of ASTM D5887/D5887M
This standard is commonly used when evaluating geosynthetic clay liners for containment and barrier applications where flux performance matters. It is relevant in laboratory testing workflows that involve saturated specimens and permeameter-based measurement. Procurement teams, testing labs, and project engineers may reference ASTM D5887/D5887M when reviewing product data, verifying conformance, or comparing candidate materials before installation. It is especially useful when a consistent index test method is needed for specification-driven decisions.
Why ASTM D5887/D5887M matters
ASTM D5887/D5887M matters because it helps standardize how index flux is measured, reducing ambiguity in product evaluation. A recognized test method supports clearer communication between manufacturers, labs, and specifiers, and it can improve consistency in compliance checks and quality control programs. For buyers and engineers, using ASTM D5887/D5887M can make it easier to compare results, document performance, and reduce risk when selecting geosynthetic clay liner materials for demanding applications.
- Saturated geosynthetic clay liner specimens
- Flexible wall permeameter testing
- Index flux measurement
- Comparative product evaluation
- Quality control and compliance review
- Publication Date: 2023-11-06
- Publisher: ASTM
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