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Primary Topic: Materials-Unbound and Soils
Description: This document describes a procedure for resilient modulus quality control checks. The procedure evaluates the ability of laboratory personnel and the test system to complete LTPP P46 protocol for resilient modulus testing. The procedure is divided into three general phases: (1) Electronic System Performance Verification, (2) Calibration Check and Overall System Performance Verification, and (3) Proficiency Testing. The implementation of this procedure in the FHWA Contractor Laboratories has greatly reduced the within and between-lab variability associated with the LTPP P46 test procedure.
FHWA Publication Number: FHWA-RD-96-176
Publication Year: 1997
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