Monotonic, Cyclic and Postcyclic Shear Behavior of Low-plasticity Silt / by Shuying Wang.
Wang, Shuying, author.
2018
TA703-705.4
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Title Monotonic, Cyclic and Postcyclic Shear Behavior of Low-plasticity Silt / by Shuying Wang.
Author Wang, Shuying, author.
ISBN 9789811070839
9811070830
9789811070822
9811070822
DOI https://doi.org/10.1007/978-981-10-7083-9
Published Singapore : Springer Singapore : Imprint : Springer, 2018.
Language English
Description 1 online resource (xiii, 156 pages) : illustrations
Item Number 10.1007/978-981-10-7083-9 doi
Call Number TA703-705.4
Dewey Decimal Classification 552/.5
Summary This book gathers the main research findings on monotonic, cyclic and postcyclic shear behavior of low-plasticity. Drawing on the low-plasticity silt from the Mississippi River Valley, it determines that the silt’s critical state line can be changed due to liquefaction, and thus offers valuable insights and reference data for further investigations on soil mechanics and engineering applications to verify the above research findings. Low-plasticity silt with a plasticity index of less than 10, though commonly found around the world, nonetheless differs greatly from sand and clay in terms of its shear behavior. Failure to take into account the differences in shear characteristics between silt, clay and sand will lead to overconservative designs of offshore structures. In particular, dynamic loading from earthquakes, trains and ocean waves can set off the liquefaction of low-plasticity silt, and with it, major disasters and losses of properties. Additionally, some civil infrastructures have failed not only due to cyclic loading during an earthquake, but also due to reduction of shear strength or stiffness after that. .
Bibliography, etc. Note Includes bibliographical references.
Access Note Access limited to authorized users.
Digital File Characteristics text file PDF
Available in Other Form Print version: 9789811070822
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Intro; Preface; Contents; Nomenclature; 1 Introduction; 1.1 Definition of Low-plasticity Silt; 1.2 Distribution of Low-plasticity Silt; 1.3 Research Significance; 1.4 Research Background; 1.4.1 Soil Specimen Preparation for Laboratory Testing; 1.4.2 Monotonic Shear Behavior of Low-plasticity Silt; 1.4.3 Liquefaction of Low-plasticity Silt; 1.4.4 Postcyclic Compressibility of Low-plasticity Silt; 1.4.5 Postcyclic Shear Behavior of Low-plasticity Silt; 1.4.6 Effect of Cyclic Loading Magnitude on Static Behavior; 1.4.7 Reliquefaction Characteristics; 1.5 Soil Material Tested in This Study.

1.6 Scope of This BookReferences; 2 Preparation Approach of Low-plasticity Silt Specimens for Triaxial Testing; 2.1 Specimen Reconstitution; 2.1.1 Reconstitution Procedures; 2.1.2 Specimen Uniformity; 2.2 Specimen Preparation for Testing; 2.2.1 Specimen Movement; 2.2.2 Disturbance During Handling and Moving of the Specimen; 2.3 Replication; 2.3.1 Monotonic Triaxial Tests; 2.3.2 Cyclic Triaxial Test; 2.4 Summary; References; 3 Monotonic Shear Behavior of Low-plasticity Silt and Its Change with Soil Plasticity; 3.1 Testing Program; 3.2 Monotonic Shear Behavior of Low-plasticity Silt.

3.2.1 Stress-Strain Behavior of Low-plasticity Silt3.2.2 Effective Friction Angle; 3.2.3 Critical State; 3.3 Normalized Behavior of Low-plasticity Silt; 3.4 Effect of Plasticity Index on Silt Behavior; 3.4.1 Stress-Strain Behavior of Silt-Bentonite Mixture; 3.4.2 Undrained Shear Strength; 3.5 Discussion; 3.6 Summary; References; 4 Liquefaction Characteristics of Low-plasticity Fine-Grained Soil; 4.1 Testing Program; 4.2 Cyclic Behavior of Low-plasticity Silt; 4.2.1 Effect of Initial Consolidation Conditions; 4.2.2 Effect of Plasticity; 4.3 Reexamination of Laboratory Data.

4.3.1 Collection of Laboratory Data4.3.2 Variation of Liquefaction Resistance with Plasticity Index; 4.3.3 Potential Application; 4.4 Summary; References; 5 Postcyclic Compressibility of Low-plasticity Silt; 5.1 Testing Program; 5.2 Permeability; 5.3 Compression and Recompression Indices; 5.4 Magnitude of Compressibility After Liquefaction; 5.5 Effect of Plasticity on Postcyclic Compressibility; 5.6 Summary; References; 6 Postcyclic Shear Behavior of Low-plasticity Silt; 6.1 Testing Procedure; 6.2 Effect of CSR on Postliquefaction Shear Behavior.

6.3 Shear Behavior of Postcyclic Specimens with Reconsolidation6.3.1 Postcyclic Undrained Monotonic Shear Behavior; 6.3.2 Effect of OCR on Postcyclic Undrained Monotonic Shear Strength; 6.3.3 Effect of \sigma_{{\rm c}}^{{\prime }} on Postcyclic Undrained Monotonic Shear Behavior; 6.4 Shear Behavior of Postcyclic Specimens without Reconsolidation; 6.4.1 Postcyclic Undrained Monotonic Shear Behavior; 6.4.2 Effect of OCR on Postcyclic Undrained Monotonic Shear Strength; 6.5 Change of Critical State Line Due to Cyclic Loading; 6.6 Effect of Reconsolidation Level on Postcyclic Behavior.

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