Settlement And Liquefaction Of Sands Under Multi Directional Shaking PDF Download

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Evaluation of Soil Liquefaction Potential for Level Ground During Earthquakes. A Summary Report

Evaluation of Soil Liquefaction Potential for Level Ground During Earthquakes. A Summary Report
Author:
Publisher:
Total Pages:
Release: 1975
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ISBN:

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The results of a three-year research program conducted to investigate the settlement and liquefaction of sands under multi-directional shaking are evaluated. The investigation indicated that the behavior of a saturated sand under cyclic loading conditions is a function of its geologic and seismic history and grain structure as well as its placement density. It is concluded that the resistance to liquefaction of a sand deposit can best be estimated by laboratory testing on undisturbed samples. It is shown that cyclic triaxial tests used in conjunction with appropriate correction factors to account for multi-directional shaking, simple shear loading conditions, and overconsolidation effects can provide valid data on cyclic loading characteristics. The concepts of ''limited strain potential'' and acceptable value of the factor of safety against initial liquefaction are introduced. Finally, the two basic methods for evaluating liquefaction potential and the effects of liquefaction are reviewed and updated with the information obtained through this research effort.


Selected Geotechnical Papers of James K. Mitchell

Selected Geotechnical Papers of James K. Mitchell
Author: James K. Mitchell
Publisher: ASCE Publications
Total Pages: 948
Release: 2001-01-01
Genre: Technology & Engineering
ISBN: 9780784474990

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Sponsored by the Geo-Institute of ASCE. This collections contains 35 key papers by James K. Mitchell during his extraordinary career as a geotechnical engineer.Ø In addition to teaching, Mitchell's career encompassed geotechnical projects ranging from research on hazardous waste landfill stability at Kettleman Hills in California, to lunar soil analysis for NASA Apollo Missions, to working with the Mayor of San Francisco following the 1989 Loma Prieta Earthquake. He was elected to the National Academy of Engineering and the National Academy of Science. Topics include: experimental and analytic studies of soil behavior related to geotechnical and geo-environmental problems; soil improvement and ground reinforcement, physicochemical phenomena in soils, the stress-strain time behavior of soils, in situ measurement of soil properties, and mitigation of ground failure risk during earthquakes. ASCE's Engineering Classics series presents selected papers of lasting importance by eminent engineers who have made outstanding contributions to their field.


Deformation and Progressive Failure in Geomechanics

Deformation and Progressive Failure in Geomechanics
Author: A. Asaoka
Publisher: Elsevier
Total Pages: 956
Release: 1997-10-23
Genre: Science
ISBN: 9780080428383

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Progressive failure has been a classical problem in the field of geotechnical engineering and has attracted considerable attention in connection with slope stability and foundation problems. It is associated with strain localization or shear banding and is also related to damage in material structures. As knowledge of the progressive failure mechanism increases, it is now necessary to establish effective communications between researchers and engineers. The International Symposium on Deformation and Progressive Failure in Geomechanics provided an opportunity for discussing recent advances in this area. A total of 136 papers were contributed from 22 countries. As well as these, the symposium proceedings also contain 8 interim technical reports on the subject by the members of the Asian Technical Committee of the International Society for Soil Mechanics and Foundation Engineering and the Japanese Geotechnical Society National Committee on Progressive Failure in Geo-structures.