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Effects Of Strain Rate In Consolidated Undrained Triaxial Compression Tests Of Cohesive Soils
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Book Synopsis Effects of Strain Rate in Consolidated-undrained Triaxial Compression Tests of Cohesive Soils by : Rául F. Esquivel-Díaz
Download or read book Effects of Strain Rate in Consolidated-undrained Triaxial Compression Tests of Cohesive Soils written by Rául F. Esquivel-Díaz and published by . This book was released on 1970 with total page 52 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Strain Rate in Consolidated-Undrained Triaxial Compression Tests of Cohesive Soils. Report 2. Vicksburg Buckshot Clay (CH). by : Robert T. Donaghe
Download or read book Effects of Strain Rate in Consolidated-Undrained Triaxial Compression Tests of Cohesive Soils. Report 2. Vicksburg Buckshot Clay (CH). written by Robert T. Donaghe and published by . This book was released on 1971 with total page 49 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of consolidated-undrained (R) triaxial compression tests with pore pressure measurements performed to determine the effects of strain rate on the strength and deformation characteristics of Vicksburg buckshot clay (CH) are presented and analyzed in this report. The 1.4-in.-dia triaxial specimens were compacted with a Harvard miniature compactor to 95 percent of maximum dry density derived from the standard effort compaction test with water contents 2 percentage points wet of standard optimum. Standard caps and bases (having the same diameter as the test specimen, with 1-in.-diam rigid porous inserts and drainage connections) were used in the triaxial tests. After back-pressure saturation and consolidation under effective confining pressures of 0.5 and 5.0 kg per sq cm, specimens with an without filter strips were axially loaded at rates of strain varying from 1.2 to 0.0012 percent per minute. Data presented include stress-strain curves, pore pressure observations, final water content distributions within the specimens, and shear strength envelopes based on total stresses. (Author).
Book Synopsis Effects of Strain Rate in Consolidated-undrained Triaxial Compression Tests of Cohesive Soils by : Robert T. Donaghe
Download or read book Effects of Strain Rate in Consolidated-undrained Triaxial Compression Tests of Cohesive Soils written by Robert T. Donaghe and published by . This book was released on 1971 with total page 41 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Anisotropic Versus Isotropic Consolidation in Consolidated-undrained Triaxial Compression Tests of Cohesive Soils by : Frank C. Townsend
Download or read book Effects of Anisotropic Versus Isotropic Consolidation in Consolidated-undrained Triaxial Compression Tests of Cohesive Soils written by Frank C. Townsend and published by . This book was released on 1975 with total page 130 pages. Available in PDF, EPUB and Kindle. Book excerpt: The results of a series of consolidated-undrained (CU) triaxial compression tests performed on normally consolidated and overconsolidated specimes of two clays consolidated both isotropically (ICU tests) and anisotropically (ACU tests) are presented and analyzed in this report. The specimens were trimmed from samples of Vicksburg Buckshot clay (LL = 57) and a clay from the East Atchafalaya Basin Protection Levee (EABPL) project area (LL = 79), both of which had been consolidated from a slurry in large-diameter consolidometers under a maximum vertical consolidation pressure of 3.0 kg/sq cm. Data presented include stress-strain curves, pore pressure observations, final water content distributions within the specimens, and shear strength envelopes based on total and effective stresses. Test results indicate that the change in volume during consolidation and the water content at the end of consolidation are not a unique function of the vertical consolidation stresses but are related to the mean effective consolidation stress. Total stress envelopes based on Taylor's method of deriving strengths of anisotropically consolidated specimens from test results obtained from isotropically consolidated specimens slightly underestimate observed values. In this context, Taylor's method is an appropriate means of predicting strengths for various K sub c ratios from conventional ICU tests. Use of hyperbolic stress-strain relationships derived from ICU tests in finite element codes for ACU conditions will lead to erroneous results. Further testing of anisotropically consolidated soils under stress systems that better simulate in situ conditions is needed.
Book Synopsis State-of-the-Art Paper by : JT. Germaine
Download or read book State-of-the-Art Paper written by JT. Germaine and published by . This book was released on 1988 with total page 39 pages. Available in PDF, EPUB and Kindle. Book excerpt: The paper first covers common problems with testing equipment and procedures that cause errors in the measured properties of the soil specimen, with emphasis on consolidated-undrained (CU) and consolidated-drained (CD) triaxial tests. These problems are divided into three categories: errors that can be handled via appropriate corrections; errors that must be avoided; and potential errors that must be evaluated when selecting test procedures or interpreting measured data, the most important being the nonuniform stresses and strains caused by frictional end caps. The paper then assesses the use of triaxial testing in practice to predict undrained stability and deformations for saturated cohesive deposits. Based on considerations of strain rate effects, soil anisotropy, disturbance from tube sampling, and results from case histories of failures, the authors make four recommendations. 1. UU compression tests should not be used as the principal means of estimating in situ undrained strengths because the values can be either significantly too high or too low. 2. CIU compression tests have little value because the measured undrained strength will be unsafe for stability analyses, and the stress-strain data do not simulate in situ behavior. 3. Therefore, more reliance should be placed on CKoU compression and extension tests, which would be aided by the availability of more reliable and less expensive automated "stress path" triaxial cells. 4. Oedometer tests should always be conducted to ascertain the stress history of the deposit.
Book Synopsis Soft Soil Engineering by : A.K.L. Kwong
Download or read book Soft Soil Engineering written by A.K.L. Kwong and published by Routledge. This book was released on 2017-10-06 with total page 730 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume contains seven keynote lectures and over 100 technical contributions by scientists, researchers, engineers and students from more than 25 countries and regions worldwide on the subject of soft soil engineering.
Book Synopsis The Effect of Stress History and Strain Rate on the Undrained Shear Strength of Cohesive Soils by : William Harry Perloff
Download or read book The Effect of Stress History and Strain Rate on the Undrained Shear Strength of Cohesive Soils written by William Harry Perloff and published by . This book was released on 1962 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Effects of Anisotropic Versus Isotropic Consolidation in Consolidated-Undrained Triaxial Compression Tests of Cohesive Soils by : RT. Donaghe
Download or read book Effects of Anisotropic Versus Isotropic Consolidation in Consolidated-Undrained Triaxial Compression Tests of Cohesive Soils written by RT. Donaghe and published by . This book was released on 1978 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: This investigation examines effects of anisotropic versus isotropic consolidation in consolidated-undrained triaxial compression tests performed on specimens of two clays consolidated from a slurry in large-diameter consolidometers. Shear strength and corresponding deformation characteristics were developed in both normally consolidated and overconsolidated ranges. Test results indicate that volume changes during consolidation are not a unique function of the major principal consolidation stress but instead are related to the mean effective consolidation stress and the deviator stress during consolidation. Consequently, for a given major principal consolidation stress, the undrained strength of anisotropically consolidated specimens is lower than that of isotropically consolidated specimens.
Book Synopsis Dynamic Behavior of Materials, Volume 1 by : Bo Song
Download or read book Dynamic Behavior of Materials, Volume 1 written by Bo Song and published by Springer Science & Business Media. This book was released on 2013-10-01 with total page 477 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic Behavior of Materials, Volume 1: Proceedings of the 2013 Annual Conference on Experimental and Applied Mechanics, the first volume of eight from the Conference, brings together contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Experimental Mechanics, including papers on: General Dynamic Material Properties Novel Dynamic Testing Techniques Dynamic Fracture and Failure Novel Testing Techniques Dynamic Behavior of Geo-materials Dynamic Behavior of Biological and Biomimetic Materials Dynamic Behavior of Composites and Multifunctional Materials Dynamic Behavior of Low-Impedance materials Multi-scale Modeling of Dynamic Behavior of Materials Quantitative Visualization of Dynamic Behavior of Materials Shock/Blast Loading of Materials
Book Synopsis Effects of Strain Rate on Instability of Granular Soils by : JA. Yamamuro
Download or read book Effects of Strain Rate on Instability of Granular Soils written by JA. Yamamuro and published by . This book was released on 1993 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: An experimental study of the effect of strain rate on the stability of granular soils at high pressures has shown that there is no apparent effect on the location of the instability line. However, during undrained triaxial compression tests the deviator stress, effective stress path, effective stress friction angle, and pore pressures are significantly affected by changes in strain rate. Strain rate effects during drained triaxial compression tests are also presented, but do not appear to be as significant as in undrained tests.
Book Synopsis Settlement and Cover Subsidence of Hazardous Waste Landfills by : W. L. Murphy
Download or read book Settlement and Cover Subsidence of Hazardous Waste Landfills written by W. L. Murphy and published by . This book was released on 1986 with total page 124 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Advanced Triaxial Testing of Soil and Rock by : Robert T. Donaghe
Download or read book Advanced Triaxial Testing of Soil and Rock written by Robert T. Donaghe and published by ASTM International. This book was released on 1988 with total page 896 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Although the triaxial compression test is presently the most widely used procedure for determining strength and stress-deformation properties of soils, there have been no books published on triaxial testing since the 1962 second edition of the landmark work The Measurement of Soil Properties in the Triaxial Test by Bishop and Henkel. It is apparent there is a need to document advances made in triaxial testing since publication of Bishop and Henkel's book and to examine the current state of the art in a forum devoted solely to triaxial testing. Because of increasing versatility brought about by recent developments in testing techniques and equipment, it is also important that the geotechnical profession be provided with an up-to-date awareness of potential uses for the triaxial test."--Overview.
Book Synopsis Research Conference on Shear Strength of Cohesive Soils; Sponsored by the Soil Mechanics and Foundations Division, ASCE. [Papers and Reports by :
Download or read book Research Conference on Shear Strength of Cohesive Soils; Sponsored by the Soil Mechanics and Foundations Division, ASCE. [Papers and Reports written by and published by . This book was released on 1961 with total page 1190 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis List of Publications of the U.S. Army Engineer Waterways Experiment Station by : U.S. Army Engineer Waterways Experiment Station
Download or read book List of Publications of the U.S. Army Engineer Waterways Experiment Station written by U.S. Army Engineer Waterways Experiment Station and published by . This book was released on 1975 with total page 438 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Sixth Conference on Coordination of Research Activities, October 28-30, 1969 by :
Download or read book Sixth Conference on Coordination of Research Activities, October 28-30, 1969 written by and published by . This book was released on 1969 with total page 80 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Annual Summary of Investigations in Support of the Civil Works Program by : Waterways Experiment Station (U.S.)
Download or read book Annual Summary of Investigations in Support of the Civil Works Program written by Waterways Experiment Station (U.S.) and published by . This book was released on 1967 with total page 336 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Dynamic Behavior of Materials, Volume 1 by : Tom Proulx
Download or read book Dynamic Behavior of Materials, Volume 1 written by Tom Proulx and published by Springer Science & Business Media. This book was released on 2011-03-31 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: Dynamic Behavior of Materials, Volume 1: Proceedings of the 2010 Annual Conference on Experimental and Applied Mechanics, the first volume of six from the Conference, brings together 71 contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Materials Science, including papers on Composite Materials, Dynamic Failure and Fracture, Dynamic Materials Response, Novel Testing Techniques, Low Impedance Materials, Metallic Materials, Response of Brittle Materials, Time Dependent Materials, High Strain Rate Testing of Biological and Soft Materials, Shock and High Pressure Response, Energetic Materials, Optical Techniques for Imaging High Strain Rate Material Response, and Modeling of Dynamic Response.
