2018
DOI: 10.1155/2018/9827673
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Numerical Modeling of Thermal‐Dependent Creep Behavior of Soft Clays under One‐Dimensional Condition

Abstract: Creep is a common phenomenon for soft clays. e paper focuses on investigating the influence of temperature on the timedependent stress-strain evolution. For this purpose, the temperature-dependent creep behavior for the soft clay has been investigated based on experimental observations. A thermally related equation is proposed to bridge the thermal creep coefficient with temperature. By incorporating the equation to a selected one-dimensional (1D) elastic viscoplastic (EVP) model, a thermal creep-based EVP mod… Show more

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Cited by 6 publications
(12 citation statements)
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References 30 publications
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“…It was also found that the yielding stress of clayey soils decreased as the temperature increased in oedometer and constant-rate-of-strain consolidation tests (Akagi and Komiya, 1995;Tsutsumi and Tanaka, 2012;Abuel-Naga et al, 2006b;Jarad, 2016). The effects of temperature on the creep behavior of clayey soils have also been observed and reported in several experimental studies (Houston et al, 1985;Fox and Edil, 1996;Zhu and Qi, 2018). Based on thermal cycling tests on reconstituted clay, Burghignoli et al (2000) concluded that the creep behavior of clayey soils was dependent on their recent temperature history.…”
Section: Introductionmentioning
confidence: 87%
See 1 more Smart Citation
“…It was also found that the yielding stress of clayey soils decreased as the temperature increased in oedometer and constant-rate-of-strain consolidation tests (Akagi and Komiya, 1995;Tsutsumi and Tanaka, 2012;Abuel-Naga et al, 2006b;Jarad, 2016). The effects of temperature on the creep behavior of clayey soils have also been observed and reported in several experimental studies (Houston et al, 1985;Fox and Edil, 1996;Zhu and Qi, 2018). Based on thermal cycling tests on reconstituted clay, Burghignoli et al (2000) concluded that the creep behavior of clayey soils was dependent on their recent temperature history.…”
Section: Introductionmentioning
confidence: 87%
“…Cui et al (2009) performed high-pressure consolidation tests on stiff Boom clay samples at different temperatures and found that the rate of strain was dependent on the temperature. Some studies suggested that the secondary consolidation coefficient C a increases with temperature (Jarad, 2016;Zhu and Qi, 2018;Kaddouri et al, 2019), whereas others obtained different results at lower temperatures (Li et al, 2018). In summary, the time-dependent stress-strain behavior of clayey soils is closely related to temperature and stress history; however, there still lacks a widely accepted theoretical framework for describing the thermal creep characteristics of clayey soils.…”
Section: Introductionmentioning
confidence: 99%
“…They showed that the onset of creep over time represents a significant increase bearing capacity of shallow foundation. Recently, Wang et al (2016) and Zhu and Bing (2018) [32,33] have developed a model that can well reproduce temperature-dependent creep behavior of soft intact clay under the one-dimensional loading condition. For their part, Qi et al (2017) [34] proposed a model which can well reproduce the time-dependent behaviour with creep degradation for natural soft clays under one-dimensional condition.…”
Section: Literature Review On Soft Soil Behaviourmentioning
confidence: 99%
“…The importance of this parameter stems from the fact that for some soils, the parameter indicates a nearly constant value for a given load increment [36]. This was the main reason, why numerous studies have been carried out by different researchers in order to compensate for the long-term behavior of the soil on civil engineering structures [29][30][31][32][33][34][35][36][37].…”
Section: Literature Review On Soft Soil Behaviourmentioning
confidence: 99%
“…It ensures constant vertical stress, leading to more accurate results. Moreover, soil in nature approaches the K0 condition, oedometer test is better suited for simulating rheological behavior of soil 17,18,19,20,21,22,23 . But, due to the limitations of oedometer test in measuring lateral forces, the test results only are used to establish one-dimensional rheological models.…”
Section: Introductionmentioning
confidence: 99%