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Significance and Use
5.2 The statements set forth in Section 1.5 are very important in the context of significance and use, as well as scope of the standard.
5.3 Creep test data are used to calculate the creep modulus of materials as a function of time. These data are then used to predict the long-term creep deformation expected of geosynthetics used in drainage applications.
1.4 Ramp and Hold (R+H) tests may be completed in conjunction with SIM tests. They are designed to provide additional estimates of the initial rapid compressive creep strain levels appropriate for the SIM results.
1.5 This method can be used to establish the sustained load compressive creep characteristics of a geosynthetic that demonstrates a relationship between time-dependent behavior and temperature. Results of this method are to be used to augment results of compressive creep tests performed at 20 ± 1°C and may not be used as the sole basis for determination of long term compressive creep behavior of geosynthetic material.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D1621 Test Method for Compressive Properties of Rigid Cellular Plastics
D2990 Test Methods for Tensile, Compressive, and Flexural Creep and Creep-Rupture of Plastics
D4439 Terminology for Geosynthetics
D5262 Test Method for Evaluating the Unconfined Tension Creep and Creep Rupture Behavior of Geosynthetics
D6364 Test Method for Determining Short-Term Compression Behavior of Geosynthetics
ICS Number Code 59.080.70 (Geotextiles)
UNSPSC Code 30121900(Soil stabilizers and reinforcing materials)
ASTM D7361-07(2012), Standard Test Method for Accelerated Compressive Creep of Geosynthetic Materials Based on Time-Temperature Superposition Using the Stepped Isothermal Method, ASTM International, West Conshohocken, PA, 2012, www.astm.orgBack to Top