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Federal Highway Administration Research and Technology
Coordinating, Developing, and Delivering Highway Transportation Innovations

This report is an archived publication and may contain dated technical, contact, and link information
Publication Number: FHWA-HRT-07-052
Date: September 2007

Long Term Pavement Performance Project Laboratory Materials Testing and Handling Guide

Protocol P46
Test Method for Resilient Modulusof Unbound Granular Base/Subbase Materials and Subgrade Soils (UG07, SS07)

“The Pro46 section of the FHWA-RD-07-052 document is now available in its entirety. Due to the increased size of this section with the inclusion of previously missing material, Pro46 has been created as a section separate from the rest of FHWA-RD-07-052. We apologize for any inconvenience.”

FormDOT F 1700.7 (8-72) Reproduction of completed page authorized

Table of Contents


List of Figures

List of Tables

List of Worksheets


AAPAASHTO Accreditation Program
AASHTOAmerican Association of State Highway and Transportation Officials
ACAsphalt Concrete
ASTMAmerican Society for Testing and Materials
BBR Bending beam Rheometer
COTRContracting Officer's Technical Representative
CTB Cement treated Base
CTRCoefficient of Thermal Expansion
DCP Dynamic cone Penetrometer
DOTDepartment of Transportation
DSR Dynamic shear Rheometer
FHWAFederal Highway Administration
FWDFalling Weight Deflectometer
GPSGeneral Pavement Studies
HCL Hydrochloric acid
HMAHotmix Asphalt
HMACHotmix Asphalt Concrete
ISSAInternational Slurry Surfacing Association
L/DLength to Diameter Ratio
LCBLean Concrete Base
LLLiquid Limit
LTPPLong Term Pavement Performance
LVDTLinear Voltage Displacement Transducer
MAPMaterials Action Plan
MrLMaterials Reference Library
NAANational Aggregate Association
NISTNational Institute of Standards and Technology
PAVPressure Aging Vessel
PCCPortland Cement Concrete
PIPlasticity Index
PL Plastic limit
PPDBPavement Performance Data Base
PVRPotential Vertical Rise
QAQuality Assurance
QCQuality Control
RTFOrolling thin film oven
SHRPStrategic Highway Research Program
SPSSpecific Pavement Studies
SSD Saturated Surface Dry

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