A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Some basic physical and engineering properties of a broad range of different types of shales located in Kentucky are examined. Physical testing included liquid limit, plastic limit, specific gravity, particle-size analysis, natural water content, and jar-slake determinations. The tests were performed on some forty different types of shales selected from various geological formations of different periods. Engineering tests included slake-durability, bearing ratio, consolidated-undrained triaxial compression tests with pore-pressure measurements, moisture-density relationships, swell deflection and pressure, mineralogy, and Shore sclorescope. Ten different slake-durability testing procedures are examined in detail. Bearing ratios were determined on soaked and unsoaked compacted specimens of fourteen different types of shales. Nine types of shales were selected for triaxial tests. The triaxial tests were performed on specimens remolded to conform to standard, modified, and low-energy compaction. Preliminary results from three shale test embankments compacted according to a special provision are presented. The intermediate and soil-like shales of the embankments were compacted with heavy compactors. Finally, an empirical method, based on long-term measurements of settlement, for predicting shale embankment settlement is proposed and compared to other settlement criteria.
Some basic physical and engineering properties of a broad range of different types of shales located in Kentucky are examined. Physical testing included liquid limit, plastic limit, specific gravity, particle-size analysis, natural water content, and jar-slake determinations. The tests were performed on some forty different types of shales selected from various geological formations of different periods. Engineering tests included slake-durability, bearing ratio, consolidated-undrained triaxial compression tests with pore-pressure measurements, moisture-density relationships, swell deflection and pressure, mineralogy, and Shore sclorescope. Ten different slake-durability testing procedures are examined in detail. Bearing ratios were determined on soaked and unsoaked compacted specimens of fourteen different types of shales. Nine types of shales were selected for triaxial tests. The triaxial tests were performed on specimens remolded to conform to standard, modified, and low-energy compaction. Preliminary results from three shale test embankments compacted according to a special provision are presented. The intermediate and soil-like shales of the embankments were compacted with heavy compactors. Finally, an empirical method, based on long-term measurements of settlement, for predicting shale embankment settlement is proposed and compared to other settlement criteria.
Shear Strengths of Compacted Shales
T. C. Hopkins (author)
1988
221 pages
Report
No indication
English
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