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Significance and Use
To properly evaluate prefabricated vertical drains, tests must be performed according to specific test methods and procedures. Failure to follow this practice can result in data not representative of the product's characteristics and performance.
1.1 This guide provides recommendations for the selection of appropriate test methods for prefabricated vertical geocomposite drains (sometimes referred to as Wick Drains) used in geotechnical engineering applications to provide consistency in data reporting.
1.2 This guide includes test methods for all types of prefabricated geocomposite drains manufactured in a plant and consisting of a polymeric core structure with a synthetic fabric (geotextile) jacket for filtration.
1.3 This guide is intended to aid all personnel involved in the selection, manufacture, installation, or evaluation of prefabricated vertical drains.
1.4 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
D3786 Test Method for Bursting Strength of Textile Fabrics--Diaphragm Bursting Strength Tester Method
D4491 Test Methods for Water Permeability of Geotextiles by Permittivity
D4533 Test Method for Trapezoid Tearing Strength of Geotextiles
D4632 Test Method for Grab Breaking Load and Elongation of Geotextiles
D4716 Test Method for Determining the (In-plane) Flow Rate per Unit Width and Hydraulic Transmissivity of a Geosynthetic Using a Constant Head
D4751 Test Method for Determining Apparent Opening Size of a Geotextile
D4884 Test Method for Strength of Sewn or Thermally Bonded Seams of Geotextiles
D4886 Test Method for Abrasion Resistance of Geotextiles (Sand Paper/Sliding Block Method)
D5101 Test Method for Measuring the Soil-Geotextile System Clogging Potential by the Gradient Ratio
D5199 Test Method for Measuring the Nominal Thickness of Geosynthetics
D5261 Test Method for Measuring Mass per Unit Area of Geotextiles
D5322 Practice for Laboratory Immersion Procedures for Evaluating the Chemical Resistance of Geosynthetics to Liquids
D5493 Test Method for Permittivity of Geotextiles Under Load
D5567 Test Method for Hydraulic Conductivity Ratio (HCR) Testing of Soil/Geotextile Systems
D5819 Guide for Selecting Test Methods for Experimental Evaluation of Geosynthetic Durability
D6241 Test Method for the Static Puncture Strength of Geotextiles and Geotextile-Related Products Using a 50-mm Probe
D6364 Test Method for Determining Short-Term Compression Behavior of Geosynthetics
D6389 Practice for Tests to Evaluate the Chemical Resistance of Geotextiles to Liquids
ICS Number Code 91.060.20 (Roofs)
UNSPSC Code 30121702(Geotextile)