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Performance of screw piles in bio-stabilized slope based on field monitoring and finite element modelling 基于现场监测和有限元模拟的生物稳定边坡螺旋桩性能研究
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-05-05 DOI: 10.1016/j.sandf.2025.101626
Apiniti Jotisankasa , Korakot Tanyacharoen , Susit Chaiprakaikeow , Washirawat Praphatsorn , Sony Pramusandi , Avishek Shrestha , Satoshi Nishimura
{"title":"Performance of screw piles in bio-stabilized slope based on field monitoring and finite element modelling","authors":"Apiniti Jotisankasa ,&nbsp;Korakot Tanyacharoen ,&nbsp;Susit Chaiprakaikeow ,&nbsp;Washirawat Praphatsorn ,&nbsp;Sony Pramusandi ,&nbsp;Avishek Shrestha ,&nbsp;Satoshi Nishimura","doi":"10.1016/j.sandf.2025.101626","DOIUrl":"10.1016/j.sandf.2025.101626","url":null,"abstract":"<div><div>A novel slope stabilization technique was recently developed incorporating screw piles with vegetated flapped soilbags. These screw piles are subjected to lateral stress from soil slope and their deformation can be difficult to quantify, given the fluctuating pore-water pressure and heterogeneous soil conditions. This study proposes the use of in-situ spectral analysis of surface waves (SASW) test to estimate the small-strain soil stiffness which can then be factored to calculate the lateral deformation of the pile in finite element modelling based on prescribed pore-water pressure change. A case of bioengineered slope in Kanchanaburi province, Western Thailand was studied, involving field monitoring of pile head tilt, pore-water pressure, suction, and soil moisture over one year. The findings revealed pile head tilt of up to 0.2 degrees in response to rainfall and rise in pore-water pressure and soil moisture over one year period. A series of finite element modelling were performed using factored shear moduli from in-situ SASW test and the monitored pore-water pressure variation to reproduce the amount of pile head tilting as observed in the field during one year. It was revealed that by assuming operational shear modulus ranging between 0.0075 and 0.01 times small-strain soil stiffness, a satisfactory agreement was obtained between field measurement and analysis of pile movement. This findings provides a basis for further studies on performance of bioengineered slope utilizing screw piles.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101626"},"PeriodicalIF":3.3,"publicationDate":"2025-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143906745","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of gravity on liquefaction behavior 重力对液化行为的影响
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-05-02 DOI: 10.1016/j.sandf.2025.101617
R. Sukhumkitcharoen , J. Koseki , M. Otsubo , T. Morimoto
{"title":"Effect of gravity on liquefaction behavior","authors":"R. Sukhumkitcharoen ,&nbsp;J. Koseki ,&nbsp;M. Otsubo ,&nbsp;T. Morimoto","doi":"10.1016/j.sandf.2025.101617","DOIUrl":"10.1016/j.sandf.2025.101617","url":null,"abstract":"<div><div>Attaining a fully liquefied state with zero effective stress in laboratory element tests is inherently challenging, as this state is typically achieved only in the upper layers of specimens, while the lower layers are still influenced by residual gravitational forces (or self-weight). This challenge has highlighted concerns regarding the potential overestimation of the liquefaction resistance in laboratory-based assessments. In response to this, the present study introduces an advanced bi-axial apparatus designed for testing under both dry and submerged conditions, employing circular plastic rods to enable an analysis with detailed images. Furthermore, discrete element method (DEM) simulations are conducted to replicate analogous environments under varying gravity conditions. The results demonstrate that the configuration of the apparatus, which utilizes lighter materials, significantly diminishes the gravity-induced stress gradient, achieving near-zero effective mean stress in the submerged condition. Both laboratory tests and DEM simulations consistently show similar trends under different gravity settings, such as enhanced contractive behavior, reduced remaining mean stress, and reduced remaining stiffness during the liquefied state in lower gravity environments, resulting in a reduction in liquefaction resistance. These characteristics are attributed to the stimulated loss of inter-particle contacts and an increased number of unstable particles, resulting in weakened void- and contact-based fabrics against cyclic loading under lower gravity conditions. Based on the current testing conditions, a correction factor of approximately 0.6 to 0.8 is advised for bi-axial tests conducted at standard gravity (1<em>g</em>) to convert the liquefaction resistance measured in the laboratory to that suitable for practical applications.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101617"},"PeriodicalIF":3.3,"publicationDate":"2025-05-02","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143898643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effect of suffusion and self-filtration on mechanical behavior of well-graded sands 浸渍和自过滤对分级好的砂土力学特性的影响
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-05-01 DOI: 10.1016/j.sandf.2025.101622
Jitrakon Prasomsri , Ratamanee Nuntasarn , Suched Likitlersuang , Akihiro Takahashi
{"title":"Effect of suffusion and self-filtration on mechanical behavior of well-graded sands","authors":"Jitrakon Prasomsri ,&nbsp;Ratamanee Nuntasarn ,&nbsp;Suched Likitlersuang ,&nbsp;Akihiro Takahashi","doi":"10.1016/j.sandf.2025.101622","DOIUrl":"10.1016/j.sandf.2025.101622","url":null,"abstract":"<div><div>Suffusion in well-graded sands is a significant concern in geotechnical engineering, potentially leading to malfunctions or failures in soil slopes, earth dams, and their foundations. In this paper, two internally unstable well-graded sands of various densities are subjected to seepage tests and consolidated undrained triaxial compression tests using an in-house developed triaxial permeameter. The tests explore the impact of the uniformity coefficient (<em>C<sub>u</sub></em>), initial density, and hydraulic loading amplitude on suffusion. The effect of suffusion on the undrained mechanical behavior is investigated. The results indicate that specimens with smaller <em>C<sub>u</sub></em> and higher density exhibit a larger onset hydraulic gradient for suffusion, resulting in a smaller eroded mass and fewer changes in permeability. Increasing the hydraulic loading amplitude leads to a larger eroded mass and more changes in permeability. Compared to non-eroded specimens, eroded specimens exhibit reduced shear strength and stiffness during compression tests, increased strain-softening, and contractive behavior. A post-test particle-size distribution analysis shows a significant increase in particles smaller than 0.425 mm within the eroded specimens’ midsection, in contrast to a reduction in the top section. This leads to clogging in the midsection, due to seepage, and a non-uniform particle-size distribution throughout the specimens. Suffusion also causes a decrease in mean effective stress at the critical state in the specific volume-mean effective stress plane.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101622"},"PeriodicalIF":3.3,"publicationDate":"2025-05-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143891131","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bayesian network based probabilistic approach for uncertainty analysis of earthquake induced landslides 基于贝叶斯网络的地震诱发滑坡不确定性分析的概率方法
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-04-23 DOI: 10.1016/j.sandf.2025.101620
Tanmoy Das, Deepankar Choudhury
{"title":"Bayesian network based probabilistic approach for uncertainty analysis of earthquake induced landslides","authors":"Tanmoy Das,&nbsp;Deepankar Choudhury","doi":"10.1016/j.sandf.2025.101620","DOIUrl":"10.1016/j.sandf.2025.101620","url":null,"abstract":"<div><div>In this study, a unique approach is used to calculate the likelihood of the safety factor and permanent displacement of natural slopes under earthquake shaking. The proposed approach was constructed using probabilistic modeling of landslide instability based on the Bayesian Network technique. First, the pseudo-static factor of safety was computed, considering it an uncertain parameter. Then, the permanent displacement of failure mass was estimated through probabilistic analysis considering the effect of critical and peak horizontal acceleration. In the process of probabilistic analysis, soil and slope properties (cohesion, friction angle, unit weight, slope angle, and failure depth) and peak horizontal acceleration were considered as random variables distributed as normal and exponential functions, respectively. To illustrate the applicability of the proposed approach, a hypothetical infinite slope was adopted from past literature. The results showed that due to the event of an earthquake, the slope might experience permanent displacement. Finally, based on the variation of permanent displacement, the likelihood of landslide occurrences was estimated. Validation of the study was established by comparing the outcomes with the results obtained from the multivariate probabilistic approach, first-order reliability method, and Monte Carlo simulation. To demonstrate the practical applicability of the proposed framework, a case study of earthquake-induced landslides was taken to estimate the factors of safety and permanent displacement probabilistically. The methodology presented in this study would lead to an estimation of landslide failures by taking uncertainties into account, which would increase the safety of city dwellers.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101620"},"PeriodicalIF":3.3,"publicationDate":"2025-04-23","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143864935","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Spatial distribution estimation by considering the cross-correlation between components with indirect data using Gaussian process regression 利用高斯过程回归法,通过考虑间接数据各组成部分之间的交叉相关性进行空间分布估计
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-04-22 DOI: 10.1016/j.sandf.2025.101624
Yuto Tsuda , Ikumasa Yoshida , Shinichi Nishimura
{"title":"Spatial distribution estimation by considering the cross-correlation between components with indirect data using Gaussian process regression","authors":"Yuto Tsuda ,&nbsp;Ikumasa Yoshida ,&nbsp;Shinichi Nishimura","doi":"10.1016/j.sandf.2025.101624","DOIUrl":"10.1016/j.sandf.2025.101624","url":null,"abstract":"<div><div>Generally, soil properties are measured only at limited locations. To rationally estimate the spatial distribution of soil properties, it is preferable to effectively use all available measurement data, including indirect data. We propose a Gaussian process regression with multiple random fields that considers the cross-correlation between one of the random fields of direct data and indirect data, and show the application to simulated data and actual measured data. In the application, the direct data are of CPT tip resistance (<em>qc</em>), which was obtained within a narrow area, and the indirect data are of shear wave velocity (<em>Vs</em>) obtained by surface wave exploration, which were obtained over a wide area. We estimate the spatial distribution of <em>qc</em> from the limited <em>qc</em> and wide area <em>Vs</em> data. The estimation accuracy of the proposed method is evaluated by cross-validation, and its effectiveness is discussed.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101624"},"PeriodicalIF":3.3,"publicationDate":"2025-04-22","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143859508","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Long-distance flow mechanism of gentle slopes under seepage due to liquefaction-induced water film during 2018 Sulawesi earthquake, Indonesia 2018年印尼苏拉威西地震液化水膜作用下缓坡长距离渗流机制
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-04-19 DOI: 10.1016/j.sandf.2025.101611
T. Kokusho , T. Sawada , H. Hazarika , Y. Isobe
{"title":"Long-distance flow mechanism of gentle slopes under seepage due to liquefaction-induced water film during 2018 Sulawesi earthquake, Indonesia","authors":"T. Kokusho ,&nbsp;T. Sawada ,&nbsp;H. Hazarika ,&nbsp;Y. Isobe","doi":"10.1016/j.sandf.2025.101611","DOIUrl":"10.1016/j.sandf.2025.101611","url":null,"abstract":"<div><div>Unprecedented liquefaction-induced slope failure occurred during the 2018 Indonesian Sulawesi earthquake in which more than 2000 people were killed by sliding debris flows in very gentle slopes with a 2 % gradient. In order to clarify the mysterious mechanism of how long-distance debris flows could occur on such gentle slopes, transient seepage analyses were conducted focusing on the impact of a thin water film of a limited horizontal length which was supposed to emerge during liquefaction in a layered soil profile beneath a low-permeability cap layer of the slope influenced by stationary seepage. Consequently, the water film was found to play a key role in transmitting higher pressure head to the tip at a lower elevation with a marginal head loss, leading to the downslope extension of the water film and associated boiling failure in the cap layer. The water film that formed during liquefaction was significant in realizing the long-distance flows down the gentle slopes during and even after liquefaction as long as the water film was sustained. This mechanism should be newly recognized as a serious threat to a society due to liquefaction in gentle slopes during strong earthquakes.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101611"},"PeriodicalIF":3.3,"publicationDate":"2025-04-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143847361","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pollutant transport and performance evaluation in defective composite cutoff walls: centrifuge test and numerical simulation 有缺陷的复合材料截流壁中的污染物迁移和性能评估:离心机试验和数值模拟
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-04-15 DOI: 10.1016/j.sandf.2025.101618
Bo Huang, Lin-Feng Cao, Yu-Chao Li
{"title":"Pollutant transport and performance evaluation in defective composite cutoff walls: centrifuge test and numerical simulation","authors":"Bo Huang,&nbsp;Lin-Feng Cao,&nbsp;Yu-Chao Li","doi":"10.1016/j.sandf.2025.101618","DOIUrl":"10.1016/j.sandf.2025.101618","url":null,"abstract":"<div><div>The composite geomembrane-soil-bentonite (CGSB) cutoff wall is one of the most effective barriers to prevent pollutant transport in groundwater. However, geomembranes may have defects during construction, significantly increasing the risk of pollutant leakage. Currently, little is known about pollutant transport at the interface between defective geomembranes and soil-bentonite (SB) cutoff walls. This paper presents the results from centrifuge experiments modelling pollutants transport within a defective CGSB wall to investigate interface transport behavior and its performance. Additionally, a parallel test on the SB wall is performed simultaneously to evaluate the enhancement effect of a defective geomembrane on the performance of SB walls. The results show that although the proportion of defect areas on the geomembrane is minimal, the lateral fluid flow at the interface significantly increases both the leakage and pollution area of the CGSB wall. The breakthrough points of pollutants in the SB and CGSB walls differ, with one occurring in the shallow part of the wall and the other at the center of the geomembrane defect. Numerical simulations are conducted at the centrifuge model scale, and the calculated results are consistent with the experiments. Simulation results suggest that although the CGSB wall with geomembrane defects does not significantly prolong breakthrough time compared to the SB wall, it markedly reduces pollutant flux.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101618"},"PeriodicalIF":3.3,"publicationDate":"2025-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143829064","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Analytical evaluation of heavy metal desorption process from contaminated soil under chelator leaching 螯合剂浸出污染土壤重金属解吸过程的分析评价
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-04-12 DOI: 10.1016/j.sandf.2025.101619
Yan Wang , Peng Zhu , Jian Zheng , Guan-Nian Chen , Xin-Xin Li , Wan-Lu Zhang
{"title":"Analytical evaluation of heavy metal desorption process from contaminated soil under chelator leaching","authors":"Yan Wang ,&nbsp;Peng Zhu ,&nbsp;Jian Zheng ,&nbsp;Guan-Nian Chen ,&nbsp;Xin-Xin Li ,&nbsp;Wan-Lu Zhang","doi":"10.1016/j.sandf.2025.101619","DOIUrl":"10.1016/j.sandf.2025.101619","url":null,"abstract":"<div><div>Analytical solutions elucidating the desorption process of soil flushing aided with chelating agent were established based on advection-domination assumption. The proposed analytical models are feasible for the simulation of eluent leaching tests, which is validated by the numerical analyses as well as column leaching tests of heavy metal contaminated silty soil using ethylenediaminetetraacetic acid disodium salt (EDTA-2Na) chelating agents. Based on the fittings using the proposed model, the desorption mode of heavy metals aided by EDTA-2Na in the column flushing tests more accords with the pseudo-first-order model comparing to the pseudo-second-order model. The desorption rates calibrated from the column tests are 3∼10 times slower than those from batch tests while the equilibrium desorption ratios are consistent. Limited reaction space and insufficient contacting of chelating agents are supposed to be the major cause of this phenomenon. The proposed analytical model aids deeper understanding for the soil flushing assisted with chelating agents, and can help to provide theoretical basis for soil flushing remediations.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101619"},"PeriodicalIF":3.3,"publicationDate":"2025-04-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143823232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Torsional dynamic response of a floating pile in radially inhomogeneous saturated soils 径向非均匀饱和土中浮动桩的扭转动力响应
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-04-11 DOI: 10.1016/j.sandf.2025.101621
Hiep Toan Luong , Hien Manh Nghiem
{"title":"Torsional dynamic response of a floating pile in radially inhomogeneous saturated soils","authors":"Hiep Toan Luong ,&nbsp;Hien Manh Nghiem","doi":"10.1016/j.sandf.2025.101621","DOIUrl":"10.1016/j.sandf.2025.101621","url":null,"abstract":"<div><div>The pile construction process may disturb the soil adjacent to the pile shaft that significantly influences the torsional dynamic response of the floating pile. To consider this problem, the disturbed soil is divided into series of annular zones and a varying-parameter dimensionless function represents the tangential displacement in the radial direction is proposed. The energy principles and variational approach are employed to establish the governing equations of the pile-soil system subjected to dynamic torque applied at the pile head in the frequency domain. The proposed method has the capability to consider the radially inhomogeneous soil as well as the soil behavior beneath the pile base and the vertical shear strain that were ignored or not fully accounted in the existing solutions. The accuracy of this approach is also verified through comparisons of analysis results with those of established analytical solutions. Parametric studies are also performed to investigate the influence of the soil properties and the excitation frequencies on the pile head dynamic stiffness and damping of the pile-soil system.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101621"},"PeriodicalIF":3.3,"publicationDate":"2025-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143817075","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Influence of diatom-amorphous silica on strength and durability of steel slag and cement-treated clays 硅藻-无定形二氧化硅对钢渣和水泥处理粘土强度和耐久性的影响
IF 3.3 2区 工程技术
Soils and Foundations Pub Date : 2025-04-08 DOI: 10.1016/j.sandf.2025.101613
Joyce Nakayenga , Nozomi Omaki , Daehyun Kim , Toshiro Hata
{"title":"Influence of diatom-amorphous silica on strength and durability of steel slag and cement-treated clays","authors":"Joyce Nakayenga ,&nbsp;Nozomi Omaki ,&nbsp;Daehyun Kim ,&nbsp;Toshiro Hata","doi":"10.1016/j.sandf.2025.101613","DOIUrl":"10.1016/j.sandf.2025.101613","url":null,"abstract":"<div><div>Steel slag, a by-product of steel making, is increasingly used in geotechnical construction due to its reactivity with silica and alumina in clays. Volcanic and diatom silica have various effects on the strength development of steel slag. As the effects of amorphous silica and the diatom density on the unconfined compressive strength (UCS) and seawater durability of steel slag-treated clays have not been established, this study addressed them. The relationship was confirmed using six steel slag-treated clay samples, air-dried at 20 °C for 28 and 56 days, and three cement- or steel slag-treated clay samples, exposed to seawater for 0, 28, and 90 days. The amorphous silica showed a weak correlation with the UCS, while the diatom density showed a strong relationship with it. No correlation at all was found between the diatom density and the loss on ignition, implicating cyanobacteria as the potential cause of the UCS reduction. Further research is needed to investigate the long-term effects of seawater exposure on the durability of both cement-treated and steel slag-treated clays, given that a correlation has been found between a decrease in UCS with a lower diatom density in cement-treated clays, but not in steel slag-treated clays.</div></div>","PeriodicalId":21857,"journal":{"name":"Soils and Foundations","volume":"65 3","pages":"Article 101613"},"PeriodicalIF":3.3,"publicationDate":"2025-04-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"143792304","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":2,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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