ASTM D7272-06 (2011) rus PDF

Full title and description

Standard Test Method for Determining the Integrity of Seams Used in Joining Geomembranes by Pre‑manufactured Taped Methods (ASTM D7272‑06(2011)). Describes destructive quality control and quality assurance procedures (peel and shear) for evaluating taped seams in both non‑reinforced and reinforced geomembranes; includes descriptions of common taped seam techniques such as inseam tape and cover‑strip tape.

Abstract

This test method specifies laboratory procedures to assess the mechanical integrity of seams produced using pre‑manufactured tape adhesives on geomembranes. It provides specimen preparation, conditioning, and test procedures for peel and shear tests used in acceptance and quality‑control programs. The method references nondestructive practices for in‑place seam evaluation and defers to material‑specific methods when applicable.

General information

• Status: Historical / reapproved 2011 and subsequently revised; catalog records indicate it was superseded by a later revision (2018) and may be listed as withdrawn in some databases.
• Publication date: Original approval 2006; reapproved/confirmed edition dated June 1, 2011 (designated D7272‑06(2011)).
• Publisher: ASTM International (formerly American Society for Testing and Materials).
• ICS / categories: 59.080.70 (Geotextiles / geosynthetics).
• Edition / version: D7272‑06(2011) (originally D7272‑06). Later revision published as D7272 with a 2018 edition number.
• Number of pages: 6 pages (concise test method).

Scope

This method applies to destructive laboratory testing of taped seaming techniques used to join geomembrane sheets. It covers specimen preparation, conditioning, and execution of peel and shear tests intended to evaluate seam strength and failure mode for both non‑reinforced and reinforced geomembranes. It does not replace nondestructive field practices (see Practice D4437) and defers to material‑specific standards where those exist. Acceptance criteria are project‑specific and determined by contract documents and CQC/CQA plans.

Key topics and requirements

• Definitions and terminology for geosynthetics relevant to seam testing (references to Terminology D4439).
• Description of taped seam types: inseam tape and cover‑strip tape, with required overlap, priming, and rolling procedures.
• Specimen preparation and alignment, including grip and specimen geometry for peel and shear testing.
• Test procedures for destructive peel and shear tests to determine seam integrity and failure modes.
• Conditioning and temperature considerations; safety notes regarding fumes when using ovens for conditioning.
• Statement that values are provided in both inch‑pound and SI units (each system to be regarded separately).
• Guidance that acceptance criteria are established by project specifications; nondestructive alternatives are referenced (D4437).

Typical use and users

Used by geosynthetics manufacturers, laboratory technicians, quality assurance / quality control engineers, contractors installing geomembranes, environmental and civil engineers, and independent testing laboratories responsible for verifying seam performance in liners, containment systems, landfills, and other geomembrane applications. The method is typically applied during factory QA, site QC, and failure investigations.

Related standards

Commonly referenced ASTM standards and practices include: Practice D4437 (nondestructive testing of seams), Terminology D4439 (geosynthetics terms), Test Method D5199 (measuring nominal thickness of geosynthetics), D5994 (core thickness of textured geomembranes). The D7272 method itself was later revised and republished in a 2018 edition.

Keywords

geomembrane, taped seams, seam integrity, peel test, shear test, geosynthetics, QA/QC, taped seaming, inseam tape, cover strip tape.

FAQ

Q: What is this standard?

A: ASTM D7272‑06(2011) is a concise ASTM test method that describes destructive laboratory procedures (peel and shear) to determine the integrity of seams made using pre‑manufactured tape adhesives on geomembranes.

Q: What does it cover?

A: It covers specimen preparation, types of taped seam construction (inseam and cover‑strip), conditioning, and the execution of peel and shear tests to evaluate seam strength and failure modes. It references nondestructive practices for field testing and defers to material‑specific methods when applicable.

Q: Who typically uses it?

A: Manufacturers, laboratory and field QA/QC personnel, installation contractors, environmental and civil engineers, and independent testing labs involved with geomembrane installation and acceptance testing.

Q: Is it current or superseded?

A: The method was originally approved in 2006 and reapproved/confirmed in 2011 as D7272‑06(2011). It has since been revised and republished in a later edition (notably a 2018 revision); some catalogs list the 2011 reapproval as withdrawn or superseded by the 2018 edition. Users should consult ASTM International for the current, authoritative edition before applying the method.

Q: Is it part of a series?

A: It sits within the ASTM D35 committee work on geosynthetics and is commonly used alongside related ASTM practices and test methods for geomembranes and geosynthetics (for example D4437, D4439, D5199, D5994).

Q: What are the key keywords?

A: Geomembrane, taped seam, seam integrity, peel test, shear test, geosynthetics, QA, CQA/CQC, inseam tape, cover strip.