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    Testing and Acceptance Criteria for Geosynthetic Clay Liners

    Well LW
    Published: 1997

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    Provides insight, guidance, and confidence in proper applications of geosynthetic clay liners (GCLs) in containment systems for liquid, solid, and hazardous waste containment systems. Summarizes the types of products, special test procedures developed over the last several years, and results of studies of hydraulic, chemical compatibility and stability issues.

    The text (18 peer-reviewed papers) progresses from special testing procedures, shear strength and creep testing results, hydraulic conductivity testing, chemical compatibility issues, and specification suggestions for GCL applications. The paper Effect of Swell Pressure on GCL Cover Stability indicates greater swell pressure than typical overburden loading provides, which may compromise slope stability. The papers on shear strength and long term creep also provide important insight into slope stability issues.

    Table of Contents

    Perspectives on Geosynthetic Clay Liners

    Effect of Moisture Content on Free Swell of the Clay Component of Geosynthetic Clay Liners

    Effect of Swell Pressure on GCL Cover Stability

    A Comparison of Sample Preparation Methodology in the Evaluation of Geosynthetic Clay Liner (GCL) Hydraulic Conductivity

    Effect of Normal Stress during Hydration and Shear on the Shear Strength of GCL / Textured Geomembrane Interfaces

    Strength and Conformance Testing of a GCL Used in a Solid Waste Landfill Lining System

    Short-Term and Creep Shear Characteristics of a Needlepunched Thermally Locked Geosynthetic Clay Liner

    Long-Term Shear Strength Behavior of a Needlepunched Geosynthetic Clay Liner

    Shear Strength Testing for Geosynthetic Clay Liners

    Geosynthetic Clay Liners in Alkaline Environments

    Laboratory Simulation of Geosynthetic Clay Liner Application in Contaminated Liquids Evacuation

    First-Exposure Performance of the Bentonite Component of a GCL in a Low-pH, Calcium-Enriched Environment

    Influence of Initial Hydration Conditions on GCL Leachate Permeability

    Measurement of Hydraulic Properties of Geosynthetic Clay Liners Using a Flow Box

    Laboratory Hydraulic Conductivity Testing of GCLs in Flexible-Wall Permeameters

    A Design Perspective on Shear Strength Testing of Geosynthetic Clay Liners

    Manufacturing Quality Control and Specification Criteria for Geosynthetic Clay Liners

    A study of the CBR Bearing Capacity Test for Hydrated Geosynthetic Clay Liners

    Author Index

    Subject Index

    Committee: D35

    DOI: 10.1520/STP1308-EB

    ISBN-EB: 978-0-8031-5364-6

    ISBN-13: 978-0-8031-2471-4