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- W48642689 abstract "RANGES OF VALUES FOR THE STRENGTH, STRAIN AT FAILURE AND RESILIENT MODULUS HAVE BEEN DETERMINED IN THE LABORATORY FOR TWO SOIL-CEMENTS USING REPEATED LOAD COMPRESSION AND FLEXURE TESTS. RESILIENT MODULI IN FLEXURE MAY RANGE FROM 100,000 TO SEVERAL MILLION PSI. CORRESPONDING MODULI IN COMPRESSION MAY BE SEVERAL TIMES THESE VALUES. THE ACTUAL VALUES FOR A GIVEN SOIL-CEMENT MAY BE SENSITIVE TO VARIATIONS IN DENSITY, WATER CONTENT AND APPLIED STRESS INTENSITY, DEPENDING ON SOIL TYPE OR WHETHER THE SOIL-CEMENT IS LOADED IN COMPRESSION OR FLEXURE. PROPERTY VALUES DETERMINED USING THE REPEATED LOADING TEST MAY BE SIGNIFICANTLY DIFFERENT THAN THOSE OBTAINED USING STATIC LOADING PROCEDURES. FLEXIBLE PAVEMENT SECTIONS CONTAINING SOIL-CEMENT BASE COURSES ARE ANALYZED USING ALLOWABLE STRESSES AND STRAINS AND MODULUS VALUES DETERMINED FROM THE REPEATED LOADING TESTS. COMBINATIONS OF ASPHALT CONCRETE AND SOIL-CEMENT BASE THICKNESS ARE FOUND WHICH, FOR A RANGE OF SUBGRADE STRENGTHS, LIMIT CRITICAL STRESSES AND STRAINS IN THE PAVEMENT SECTIONS TO ACCEPTABLE VALUES. THE CONDITIONS EXAMINED ARE /1/ TENSILE STRAIN AT THE BOTTOM OF THE ASPHALT LAYER, /2/ VERTICAL COMPRESSIVE STRAIN IN THE SUBGRADE, /3/ TENSILE STRESS IN THE SOIL- CEMENT, AND /4/ TENSILE STRAIN AT THE BOTTOM OF THE SOIL- CEMENT LAYER. SURFACE DEFLECTIONS ARE ALSO CONSIDERED. IT IS SHOWN THAT NO SINGLE VALUE OF EQUIVALENCY, IN TERMS OF INCHES OF GRANULAR BASE REQUIRED TO PROVIDE THE SAME SUBGRADE PROTECTION AS ONE INCH OF SOIL-CEMENT, EXISTS, BUT THAT THE EQUIVALENCY DEPENDS ON THE MODULUS OF THE SOIL- CEMENT, MODULUS OF THE SUBGRADE, AND THICKNESS OF THE ASPHALT LAYER. THE ANALYSES PRESENTED IN THIS PAPER ARE INTENDED PRIMARILY TO SHOW HOW SOIL-CEMENT BASES CAN PERFORM A VALUABLE LOAD CARRYING AND DISTRIBUTING FUNCTION IN A PAVEMENT SECTION." @default.
- W48642689 created "2016-06-24" @default.
- W48642689 creator A5006539365 @default.
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- W48642689 date "1967-01-01" @default.
- W48642689 modified "2023-09-23" @default.
- W48642689 title "SOIL-CEMENT PROPERTIES DETERMINED BY REPEATED LOADING IN RELATION TO BASES FOR FLEXIBLE PAVEMENTS" @default.
- W48642689 hasPublicationYear "1967" @default.
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