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Stability Of Low Embankments On Soft Clay Part 2 Studies Of Vane And Penetrometer Tests During Centrifuge Flight
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Book Synopsis Stability of Low Embankments on Soft Clay. Part 2. Studies of Vane and Penetrometer Tests During Centrifuge Flight by : M. S. S. Almeida
Download or read book Stability of Low Embankments on Soft Clay. Part 2. Studies of Vane and Penetrometer Tests During Centrifuge Flight written by M. S. S. Almeida and published by . This book was released on 1984 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: Correct assessment of soil parameters in centrifuge tests requires these to be measured during flight, and small vane and penetrometer devices have been developed for this purpose. The vane is fixed in position, but the penetrometer can traverse the length of the model, allowing tests to be made a different locations. A programme of tests has been conducted in the centrifuge at 100 g investigating the use of these test methods in consolidated beds of clay. Rate effects are studied for both types of tests and correlations made between cone resistance and undrained shear strength measured by the vane. A number of penetration tests were also performed to show the progressive increase in strength of a clay bed under staged embankment construction.
Book Synopsis Stability of Low Embankments on Soft Clay. Part 1. Tests with Centrifuge Vane and Penetrometers on Clay Cakes in a Normal Gravity Field by : M. S. S. Almeida
Download or read book Stability of Low Embankments on Soft Clay. Part 1. Tests with Centrifuge Vane and Penetrometers on Clay Cakes in a Normal Gravity Field written by M. S. S. Almeida and published by . This book was released on 1984 with total page 71 pages. Available in PDF, EPUB and Kindle. Book excerpt: Small vane and penetrometer devices have been developed to measured soil properties in centrifuge models during flight. Early models of these devices, and subsequent improved devices which allow separation of shaft friction from cone or vane resistance, are described, and results presented from tests on consolidated clay cakes in a normal gravity field. A small piezocone has also been developed. Vane results are shown to be strongly influenced by vane diameter, but not vane height, by elapsed time between insertion and rotation of the vane and by the rate of rotation. From these results a vane size of 18 mm diameter by 14 mm high is recommended with a rotation rate of 72/min. A penetration rate of 5 mm/s is found to be suitable for a 10 mm diameter cone although in fact penetration rate was found to have little influence on the measured cone resistance. A consistent relationship could not be established between cone resistance and vane strength. The ratio of cone resistance to vane strength was found to increase with increasing overconsolidation ratio, but was also found to depend on various other factors such as vane and cone sizes and testing rates. The values also differed considerably between the two clays used, Gault clay and kaolin.
Book Synopsis Stability of Embankments on Soft Clay by : M. S. S. Almeida
Download or read book Stability of Embankments on Soft Clay written by M. S. S. Almeida and published by . This book was released on 1984 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stability of Low Embankments on Soft Clay. Part 3. Centrifuge Tests and Numerical Analysis by : M. S. S. Almeida
Download or read book Stability of Low Embankments on Soft Clay. Part 3. Centrifuge Tests and Numerical Analysis written by M. S. S. Almeida and published by . This book was released on 1984 with total page 165 pages. Available in PDF, EPUB and Kindle. Book excerpt: Centrifuge tests have been conducted to study the behaviour of embankments on soft clay and to provide quantitative data against which to test the predictive power of the Cambridge CRISP program. Soft clay foundations were prepared with an overconsolidated crust over normally consolidated kaolin clay. Methods of conducting site investigation tests on this clay have been described in Parts 1 and 2. Tests were performed both with embankments constructed during flight in stages and in a single lift to failure, with measures of pore pressures at selected locations, and displacements using a marker grid. Some tests were performed with the clay foundation strengthened using granular columns. An embankment built in a single life, on unstrengthened clay failed at a height of 11.6m before inducing failure. Heights of 13m were achieved with stage constructed embankments on strengthened foundations, but without any failure occurring. Unexpected large lateral displacements were measured in unstrengthened clay during consolidation periods. Large displacement increases are a good indicator of factor of safety below about 1.3. At corresponding loading the use of strengthened foundations decreased lateral and vertical movements by about 50.
Book Synopsis Government Reports Annual Index by :
Download or read book Government Reports Annual Index written by and published by . This book was released on 1985 with total page 968 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Announcements & Index by :
Download or read book Government Reports Announcements & Index written by and published by . This book was released on 1985-03 with total page 370 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Research in Progress by : United States. Army Research Office
Download or read book Research in Progress written by United States. Army Research Office and published by . This book was released on 1984 with total page 284 pages. Available in PDF, EPUB and Kindle. Book excerpt: Vols. for 1977- consist of two parts: Chemistry, biological sciences, engineering sciences, metallurgy and materials science (issued in the spring); and Physics, electronics, mathematics, geosciences (issued in the fall).
Book Synopsis Civil Engineering Practice: Geotechnical by : Nicholas P. Cheremisinoff
Download or read book Civil Engineering Practice: Geotechnical written by Nicholas P. Cheremisinoff and published by . This book was released on 1988 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Research in Progress written by and published by . This book was released on 1982 with total page 278 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Government Reports Annual Index: Keyword A-L by :
Download or read book Government Reports Annual Index: Keyword A-L written by and published by . This book was released on 1985 with total page 976 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Embankments on Soft Clay by : S. Leroueil
Download or read book Embankments on Soft Clay written by S. Leroueil and published by . This book was released on 1990 with total page 368 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Settlement and Stability of Earth Embankments on Soft Foundations by :
Download or read book Settlement and Stability of Earth Embankments on Soft Foundations written by and published by . This book was released on 1978 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Stability Analysis for Low Embankments on Soft Clays by : Richard Hawley Grey Parry
Download or read book Stability Analysis for Low Embankments on Soft Clays written by Richard Hawley Grey Parry and published by . This book was released on 1971 with total page 47 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Total Stress Versus Effective Stress Stability Analysis of Embankments on Soft Clay by : Steven Craig Boyce
Download or read book Total Stress Versus Effective Stress Stability Analysis of Embankments on Soft Clay written by Steven Craig Boyce and published by . This book was released on 1978 with total page 109 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis investigates the use of two types of stability analysis, i.e. total stress and effective stress, for evaluating the factor of safety of embankments constructed on soft clay. Three classes of stability problems are defined based upon the drainage conditions during construction and shear. The use of both types of analyses for each class of stability is discussed. The factors of safety computed for both types of analyses are compared for three situations: eight case studies of actual embankment failures; variation with embankment height for seven embankments; and the long term stability for two hypothetical embankments.
Book Synopsis Assessment and Control of Stability for Road Embankments Constructed on Soft Subsoils by : I. F. Symons
Download or read book Assessment and Control of Stability for Road Embankments Constructed on Soft Subsoils written by I. F. Symons and published by . This book was released on 1976 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Centrifuge Modelling of Reinforced Embankments of Soft Clay by : Jitendrapal Sharma
Download or read book Centrifuge Modelling of Reinforced Embankments of Soft Clay written by Jitendrapal Sharma and published by . This book was released on 1993 with total page 152 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Factors Controlling the Stability of Compacted Clay Embankments by : Sulanji Francis Chituta
Download or read book Factors Controlling the Stability of Compacted Clay Embankments written by Sulanji Francis Chituta and published by . This book was released on 2004 with total page 186 pages. Available in PDF, EPUB and Kindle. Book excerpt:
