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    Nondestructive Testing of Pavements and Backcalculation of Moduli: Second Volume

    Bush AJ, Von Quintus HL, Baladi GY
    Published: 1994

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    Divided into 4 sessions and one panel workshop/discussion on issues related to standardization of backcalculation procedures. The papers presented focus on the area of backcalculation of layer moduli techniques and comparisons of material moduli as measured in the laboratory to values calculated from field deflection measurements. Information from these papers and discussions were used to establish whether a backcalculation procedure could be standardized based upon the current state-of-the-art technology. Provides readers with much of the latest information in the areas of pavement evaluation using NDT techniques, and application of that data for use in pavement design.

    In 5 sections:

    • Measurement and calculation Techniques in the Field and Laboratory

    • Problems/errors Associated with Backcalculation Methods and Design Parameters

    • NDT for Other Pavement Uses

    • Proposed Standard Guide.

    Table of Contents

    Advanced Backcalculation Techniques

    SHRP's Layer Moduli Backcalculation Procedure

    A Methodology to Identify Material Properties in Pavements Modeled as Layered Viscoelastic Halfspaces (Theory)

    Backcalculation of Pavement Layer Moduli, Thickness and Stiff Layer Depth Using a Modified Newton Method

    Improved Methods for Asphalt-Overlaid Concrete Pavement Backcalculation and Evaluation

    Concrete Pavement Backcalculation Uing ILLI-BACK 3.0

    Dyanamic Analysis of FWD Loading and Pavement Responce Using a Three Dimensional Dynamic Finite Element Program

    Verification of Pavement Responce Models

    Field Validation of a Hethodology to Identify Material Properties in Pavements Modeled as Layered Viscolastic Halfspaces

    Comparing Laboratory and Backcalculated Layer Moduli on Instrumented Pavement Sections

    In Situ and Laboratory Characterization of Nonlinear Pavement Layer Moduli

    A Pavement Evaluation Procedure Incorporating Material Non-Linearity

    Effect of Material Stress Sensitivity on Backcalculated Moduli and Pavement Evaluation

    Misleading Results from Nondestructive Testing-A Case Study

    Stochastic Analysis of Errors in Remaining Life Due to Misestimation of Pavement Parameters in NDT

    Interpretation of Dynamic Survey Measurement on Pavement with Treated Roadbase

    Phase LAG Effects on Analysis of FWD Data

    The Effect of Annular Load Distributions on the Backcalculated Moduli of Asphalt Pavement Layers

    Effects of Pavement-Falling Weight Deflectometer Interaction on Measured Pavement Response

    Radar for Pavement Thickness Evaluation

    A Comparison of Laboratory and Field Sdbgrade Moduli at the Minnesota Road Research Project

    Detection of Multi-Course Surface Pavement Layers by the SASW Method

    Strategies for the Application of the Falling Weight Deflectomer to Evaluate Load Transfer Efficiency at Joints in Jointed Concrete Pavements

    Field Testing and Structural Evaluation of Selected Concrete Pavement Sections in Florida

    Backcalculation of System Parameters for Jointed Rigid Pavements

    Evaluation of Support Conditions Under Jointed Concrete Pavement Slabs

    Determination of Voids Under Rigid Pavements Using Impulse Response Method

    Evaluation of NDT Equipment for Measuring Voids Under Concrete Pavements

    The Quest for a Standard Guide to NDT Backcalculation

    Author Index

    Subject Index

    Committee: D04

    DOI: 10.1520/STP1198-EB

    ISBN-EB: 978-0-8031-5267-0

    ISBN-13: 978-0-8031-1865-2