ASTM D7737/D7737M-15(2023) PDF

Scope: 1.1 This test method is an index test which provides a procedure for determining the strength of an individual geogrid junction, also called a node. The test is configured such that a single rib is pulled from its junction with a rib(s) transverse to the test direction to obtain the maximum force, or strength of the junction. The procedure allows for the use of two different clamps with the appropriate clamp selected to minimize the influence of the clamping mechanism on the specific type of geogrid to be tested. 1.2 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system are not necessarily exact equivalents; therefore, to ensure conformance with the standard, each system shall be used independently of the other, and values from the two systems shall not be combined. 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 D7737/D7737M-15(2023) Referenced Document

ASTM D4354 Standard Practice for Sampling of Geosynthetics for Testing
ASTM D4439 Standard Terminology for Geosynthetics*， 2024-02-01 Update
ASTM D5262 Standard Test Method for Evaluating the Unconfined Tension Creep Behavior of Geosynthetics

2023 ASTM D7737/D7737M-15(2023) Standard Test Method for Individual Geogrid Junction Strength
2015 ASTM D7737/D7737M-15 Standard Test Method for Individual Geogrid Junction Strength
2011 ASTM D7737-11 Standard Test Method for Individual Geogrid Junction Strength