Soil Liquefaction in Geotechnical Engineering

A special issue of Applied Sciences (ISSN 2076-3417). This special issue belongs to the section "Civil Engineering".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 300

Special Issue Editor


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Guest Editor
College of Civil Engineering and Architecture, Zhejiang University, Hangzhou 310058, China
Interests: geotechnical engineering; geological hazard; centrifuge test
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Special Issue Information

Dear Colleagues,

Soil liquefaction is always a challenging and hot topic in geotechnical disciplines, constantly at the forefront of research and discussion, because it poses a significant threat to buildings and infrastructure such as roads, bridges, and underground pipelines. Therefore, this Special Issue is intended for the presentation of new ideas and results in the field of soil liquefaction, covering topics from mechanism analyses to practical applications.

Areas relevant to soil liquefaction include, but are not limited to, soil liquefaction mechanism analyses, liquefaction evaluations, liquefaction mapping, liquefaction prediction, liquefaction-triggering procedures, liquefaction resistance criteria, post-liquefaction behaviors, soil liquefaction numerical simulations, and soil liquefaction centrifuge model tests.

This Special Issue will publish high-quality, original research papers in the overlapping fields below: 

  • Liquefaction resistance criteria;
  • Earthquake-induced liquefaction hazard;
  • Static liquefaction hazard;
  • Soil liquefaction mechanism analysis;
  • Liquefaction evaluation;
  • Liquefaction mapping;
  • Liquefaction prediction;
  • Liquefaction-triggering procedure;
  • Post-liquefaction behaviors;
  • Soil liquefaction numerical simulation;
  • Centrifuge model tests.

Prof. Dr. Yu Zhao
Guest Editor

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Keywords

  • liquefaction
  • earthquake
  • shear waves
  • seismic hazard
  • centrifuge modeling
  • liquefaction evaluation
  • numerical simulation
  • data mining
  • high overburden stress
  • geological age
  • porewater pressure
  • bender element test
  • static cone penetration test
  • standard penetration tests

Published Papers (1 paper)

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Research

20 pages, 10406 KiB  
Article
A Simplified Model to Predict the Repeated Shear Strain during the Cyclic Triaxial Test by Using an Elastic Coefficient-Damping Ratio System
by Darn-Horng Hsiao, Yao-Wen Liang and Chia-Sheng Hsieh
Appl. Sci. 2024, 14(10), 4178; https://doi.org/10.3390/app14104178 - 15 May 2024
Viewed by 174
Abstract
Some researchers in past years have tried to develop a simplified method for analyzing soil liquefaction. However, the correctness of the pore water pressure in the model will affect the results. In addition, the formulas derived are not easy, and the exact parameters [...] Read more.
Some researchers in past years have tried to develop a simplified method for analyzing soil liquefaction. However, the correctness of the pore water pressure in the model will affect the results. In addition, the formulas derived are not easy, and the exact parameters of the model are difficult to obtain. This study used a mass-spring-damping system to simulate the repeated strain of liquefaction cyclic triaxial tests. Because the model is simple and the parameters are easy to understand and obtain, it also shows the extensibility of this model. During the parameter study, damping coefficient c and spring coefficient k parameters decreased with the increasing cyclic number. Preliminary results of the research show that this model can further simulate the repeated strain obtained by cyclic triaxial tests without considering the variation of effective stress during cyclic loading. Four samples were used to verify the model’s correctness, and their boring sites were found in Yunlin areas, Taiwan. Simulation results show that the spring-damping system is feasible for simulated cyclic triaxial tests because the simulated results correlate to the testing results in trend. Generally, the first cycle number simulation will be less accurate because the pore water pressure of the specimen changes rapidly when the performance has just started. In contrast, the increase in subsequent cycles may be biased due to cyclic stress variation and soil plasticity during simulation. In the future, pure sand specimens created in the laboratory will be suggested for simulation. Full article
(This article belongs to the Special Issue Soil Liquefaction in Geotechnical Engineering)
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