Topic
Lateral earth pressure
About: Lateral earth pressure is a research topic. Over the lifetime, 5334 publications have been published within this topic receiving 62552 citations.
Papers published on a yearly basis
Papers
More filters
TL;DR: A field test conducted at the U.S. Army Engineer Waterways Experiment Station indicated that reinforced earth concept provides another alternative for constructing earth structures which may prove to be more economical when compared with conventional methods under certain conditions as discussed by the authors.
Abstract: A field test conducted at the U.S. Army Engineer Waterways Experiment Station indicated that the reinforced earth concept provides another alternative for constructing earth structures which may prove to be more economical when compared with conventional methods under certain conditions. Based on instrumentation measurements collected during construction and during loading of a retaining wall backfilled with sand and reinforced with galvanized steel ties, it appears that the Rankine earth pressure theory provides a good approximation for the measured lateral pressure when the wall is carrying little or no surcharge load. Prior to failure under a substantial surcharge loading, the measured lateral earth pressure was maximum at the middle third of the wall and varied from 1.0 to 1.2 times the Rankine active earth pressure. The curve connecting the points where maximum tensile stress occurred in the reinforcing ties did not coincide with the theoretical Rankine failure surface.
19 citations
TL;DR: In this paper, an approximate elasto-dynamic solution for computing seismic earth pressures acting on rigid walls retaining continuously inhomogeneous elastic material and excited by vertically propagating shear waves is developed.
19 citations
TL;DR: The active earth pressure used in the design of gravity walls is calculated based on the internal friction angle of the retained soil or backfill as discussed by the authors, but the friction angle changes with the depth of the backfill.
Abstract: The active earth pressure used in the design of gravity walls is calculated based on the internal friction angle of the retained soil or backfill. However, the friction angle of a soil changes duri...
19 citations
TL;DR: The flat dilatometer test (DMT) was developed by Marchetti in 1975 and has been used as a simple but repeatable means of obtaining information about a wide variety of soil properties and parameters as mentioned in this paper.
Abstract: This paper provides commentary on the many uses of the flat dilatometer test (DMT) developed by Marchetti in 1975. The test has been used as a simple but repeatable means of obtaining information about a wide variety of soil properties and parameters. It is an expedient indexing tool for site stratification and evaluation of soil properties. The test is used to analyze soils primarily in North America, Europe, and Southeast Asia. The initial statistical trends were based on data from only eleven natural soils found primarily in Italy. Even so, the original empirical correlations have proved useful in obtaining approximate parameters for geotechnical analysis and design. A number of comparative studies, modified relationships, and new correlations have since become available in foreign soils, and several of these are reviewed in the present paper. The possibility of adopting generalized expressions for data reduction and the interpretation of soil properties is explored, particularly for evaluating the lateral stress coefficient, K sub 0, in clays from the dilatometer index K sub D. The test is useful for determining soil type, classification, and consistency for clays, silts, and sands. It provides information about stress history, undrained shear strength, shear modulus, consolidation, and pore water pressure to name just a few of the many soil parameters determined by the test.
19 citations
TL;DR: In this paper, the authors describe the development and implementation of an experimental program to measure in-situ triaxial normal stresses and strains during static and vibratory roller passes.
Abstract: The measurement of soil properties via roller compactor-integrated instrumentation has gained increased attention. Employing roller-based measurement of mechanistic soil properties for quality assurance or performance prediction has significant potential benefits. To advance the development and understanding of static and vibratory roller measurement systems, the geotechnical community must better understand soil behavior during roller loading. This paper describes the development and implementation of an experimental program to measure in-situ triaxial normal stresses and strains during static and vibratory roller passes. Field tests revealed complex triaxial stress-strain behavior with near plane-strain conditions beneath the center of the drum. The observed stress response matched well with behavior predicted by Hertzian elastic contact theory. The soil stiffness dependent drum/soil contact width plays a significant role in stress distribution and depth of influence of the roller. The influence of drum vibration and static roller weight are visible in stress and strain measured during vibratory operation. The curved drum significantly influences the induced stresses and strains. The results presented here reveal that rollers induce stresses and strains to depths approaching 2 m and that the stress state imparted by the roller is more complex than that used in resilient modulus testing.
19 citations