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Standard Test Method for Large Scale Hydrostatic Puncture Testing of Geosynthetics
Automaticky preložený názov:
Štandardná skúšobná metóda pre veľkoformátové Hydrostatický punkciou Testovanie geosyntetík
NORMA vydaná dňa 1.1.2014
Označenie normy: ASTM D5514/D5514M-14
Poznámka: NEPLATNÁ
Dátum vydania normy: 1.1.2014
Kód tovaru: NS-31514
Počet strán: 5
Približná hmotnosť: 15 g (0.03 libier)
Krajina: Americká technická norma
Kategória: Technické normy ASTM
Keywords:
geosynthetic, hydrostatic pressure, large scale puncture, performance testing, puncture resistance, ICS Number Code 59.080.70 (Geotextiles)
Significance and Use | ||||||||||||||||
4.1 Procedure A—This procedure is an index type test which can be used as a guide for acceptance of commercial shipments of geosynthetics. The standard cone and pyramid test fixtures can establish critical height (ch) consistency with similar material from previous lots or different suppliers, as well as testing from other laboratories. However, due to the time required to perform tests, it is generally not recommended for routine acceptance testing. 4.2 Procedures B and C—These procedures are performance tests intended as a design aid used to simulate the in-situ behavior of geosynthetics under hydrostatic compression. These test methods may assist a design engineer in comparing the ability of several candidate geosynthetic materials to conform to a site specific subgrade under specified use and conditions. In procedure B, the pressure is increased until a failure is observed. In procedure C, a given set of conditions (pressure, temperature and test duration) are maintained constant and the performance of the system is observed at the end of the test. |
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1. Scope | ||||||||||||||||
1.1 This test method evaluates the stress/time properties of geosynthetics by using hydrostatic pressure to compress the geosynthetic over synthetic or natural test bases consisting of manufactured test pyramids/cones, rocks, soil or voids. 1.2 This test method allows the user to determine the relative failure mode, points of failure for geosynthetics, or both. 1.3 This test method offers two distinct procedures. 1.3.1 Procedure A incorporates manufactured test pyramids or cones as the base of the testing apparatus. Procedure A is intended to create comparable data between laboratories, and can be used as a guide for routine acceptance test for various materials. 1.3.2 Procedures B and C incorporate site specific soil or other material selected by the user as the test base of the testing apparatus. Procedures B and C are methods for geosynthetic design for a specific site. 1.4 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. 1.5 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.
Standard Terminology for
Geosynthetics Standard Practice for Description and
Identification of Soils (Visual-Manual Procedures) (Includes all
amendments and changes 4/4/2018). Standard Test Methods for Density and
Specific Gravity (Relative Density) of Plastics by Displacement Standard Test Method for Measuring Mass
per Unit Area of Geotextiles Standard Test Method for Measuring Core
Thickness of Textured Geomembrane Standard Test Method for Measuring the
Nominal Thickness of Geosynthetics Standard Specification for Woven Wire
Test Sieve Cloth and Test Sieves Standard Test Method for Density of
Plastics by the Density-Gradient Technique |
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