Abstract:
A DISCUSSION OF MICHIGAN'S BASIS FOR DESIGN DESCRIBING HOW DESIGN CRITERIA HAVE BEEN DEVELOPED AROUND A SYSTEM OF SOIL PROFILE CLASSIFICATION IS PRESENTED. TRAFFIC VOLUMES CONTROL WEARING COURSE DESIGN, AND SOIL, DRAINAGE, AND CLIMATE ARE IMPORTANT FACTORS CONTROLLING FOUNDATION DESIGN. THE RELATIONS BETWEEN LABORATORY TEST RESULTS AND THE SOIL CLASSIFICATION BASED ON FIELD STUDY OF SOIL PROFILES IS ALSO DISCUSSED. THE SOIL SURVEY PROVIDES MOST OF THE SOIL ENGINEERING DESIGN INFORMATION. IN ADDITION TO THIS IT SUPPLIES AREA MEANING BY WHICH TO TEST RESULTS; IT YIELDS INFORMATION CONCERNING THE NATURAL ENVIRONMENT OF THE SAMPLES COLLECTED; AND IT SUGGESTS THE INFLUENCE WHICH CHANGES IN THIS ENVIRONMENT WILL HAVE ON THE SIGNIFICANCE OF TEST RESULTS. INFORMATION OBTAINED BOTH FROM LABORATORY TESTS AND FROM FIELD IDENTIFICATION OF SOILS IS COMPLEMENTARY IN PROVIDING A SOIL ENGINEERING BACKGROUND FOR THE DESIGN OF FLEXIBLE SURFACED ROADS. /AUTHOR/
Supplemental Notes:
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