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Subgrade moisture variations interim report VI Evaluation of collected data 1966-1967
(1968-5)
Data collected at field test sites 1-30 during the period June, 1966 - August, 1967 are evaluated, relating measured subgrade moisture changes to soil, climate, and pavement conditions. Relevant data were coded on IBM cards ...
Subgrade moisture variations interim report IV Suggested nuclear depth gage calibration procedures
(1968-1)
An experimental procedure for calibration of nuclear depth moisture and density gages is described. Calibration of the gages was accomplished utilizing laboratory standards constructed of native Oklahoma soils. The soil ...
Statistical quality control of Portland cement concrete pavements
(1968-6)
The scope of this investigation was to study statistically the process of preparing concrete for Portland cement concrete pavements and to compare the data with the specifications in use. It encompassed the measurement of ...
Subgrade moisture variations interim report V Data Summary 1966-1967
(1968-4)
All data collected at the first 30 field test sites during the period June 1966-August 1967 are presented. Procedures for data collection, reduction, and display are described and discussed but no evaluation or correlation ...