Geotextiles and Geomembranes最新文献

Influence of column spacing on geosynthetic-encased columns behavior in very soft clay 极软黏土中柱间距对土工合成包壳柱性能的影响

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-10-01 DOI: 10.1016/j.geotexmem.2025.09.005

Jaime Alberto Suárez Moreno , Gregório Luís Silva Araújo , Ennio Marques Palmeira , Nima Rostami Alkhorshid

{"title":"Influence of column spacing on geosynthetic-encased columns behavior in very soft clay","authors":"Jaime Alberto Suárez Moreno , Gregório Luís Silva Araújo , Ennio Marques Palmeira , Nima Rostami Alkhorshid","doi":"10.1016/j.geotexmem.2025.09.005","DOIUrl":"10.1016/j.geotexmem.2025.09.005","url":null,"abstract":"<div><div>This study evaluates the influence of column spacing on the mechanical behavior of geosynthetic-encased columns (GECs) installed in very soft clay under vertical surcharge loading. A large-scale physical model (1.6 m × 1.6 m × 1.2 m) was instrumented with settlement gauges, piezometers, and pressure cells to monitor performance. Column spacing varied between 2.0D and 3.5D (D = column diameter) to assess effects on settlement, excess pore pressure, stress distribution, and the lateral earth pressure coefficient (K). Smaller spacings led to reduced settlements, faster pore pressure dissipation, and more efficient stress transfer to the columns. In contrast, larger spacings resulted in higher excess pore pressures and reduced system effectiveness. The coefficient K varied with spacing and depth: higher K values were associated with smaller spacings and shallower depths due to increased lateral confinement and interaction among columns. Conversely, deeper measurements showed lower K values due to limited lateral deformation. Comparison between measured and predicted settlements and encasement forces demonstrated good agreement, validating existing analytical models. The findings highlight the critical role of column spacing in optimizing the performance of GEC-reinforced soft soils under surcharge loading.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 1","pages":"Pages 50-66"},"PeriodicalIF":6.2,"publicationDate":"2025-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145220994","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Erosion control performance of natural geotextiles for slope stabilization 天然土工织物对边坡稳定的侵蚀控制性能

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-09-26 DOI: 10.1016/j.geotexmem.2025.09.004

Lihua Li , Shuangdong Liu , Xin Gu , Gang Liu , Xin Zhang , Haowen Xiong

{"title":"Erosion control performance of natural geotextiles for slope stabilization","authors":"Lihua Li , Shuangdong Liu , Xin Gu , Gang Liu , Xin Zhang , Haowen Xiong","doi":"10.1016/j.geotexmem.2025.09.004","DOIUrl":"10.1016/j.geotexmem.2025.09.004","url":null,"abstract":"<div><div>Two innovative geotextile-based slope stabilization and erosion control approaches were developed in this study, including vegetation-geotextile composites and geotextiles treated with alkali-activated binder (AAB). Experimental investigations were conducted to evaluate the effectiveness of different slope protection measures in delaying runoff onset, lowering erosion rates, and improving slope stability under varied rainfall intensities and slope gradients. It was found that bare slopes deteriorated rapidly under high-intensity rainfall, progressing from splash to severe gully erosion. Vegetation-geotextile system (tall fescue with coconut fiber blankets) considerably delayed runoff, decreased erosion, and improved soil structure and water retention. By contrast, AAB-treated geotextiles displayed superior mechanical stability and erosion resistance due to densified fiber networks and optimized pore structures compared to untreated bare slope. Furthermore, AAB-treated geotextiles delivered the highest erosion resistance, while vegetation-geotextile composites provided significant ecological benefits in terms of soil temperature regulation and organic matter release. As a result, integration of AAB treatment with vegetation-geotextile systems can serve as a long-term slope stabilization solution that simultaneously addresses engineering requirements and environmental objectives under climate change scenarios.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 1","pages":"Pages 36-49"},"PeriodicalIF":6.2,"publicationDate":"2025-09-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145158737","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 wicking geotextile installation on moisture migration in silt under rainfall infiltration 吸湿土工布对降雨入渗条件下淤泥中水分迁移的影响

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-09-16 DOI: 10.1016/j.geotexmem.2025.09.002

Yipeng Guo , Dahao Zou , Min Hu , Xiong Zhang , Fang Xu , Yongjie Zhang , Jiejing Chen

{"title":"Influence of wicking geotextile installation on moisture migration in silt under rainfall infiltration","authors":"Yipeng Guo , Dahao Zou , Min Hu , Xiong Zhang , Fang Xu , Yongjie Zhang , Jiejing Chen","doi":"10.1016/j.geotexmem.2025.09.002","DOIUrl":"10.1016/j.geotexmem.2025.09.002","url":null,"abstract":"<div><div>Silt is widely used in subgrade construction in the middle and lower reaches of the Yellow River in China due to limited availability of high-quality fill. However, its high moisture sensitivity and low strength often lead to pumping, settlement, and deformation. This study investigates the hydraulic performance of a wicking geotextile in silt under simulated rainfall infiltration using one-dimensional soil column experiments. Three installation configurations were evaluated: (i) a control sample (CS) without geotextile, (ii) an embedded sample (ES) with the geotextile fully installed as a capillary barrier, and (iii) a surface-exposed sample (SES) with the geotextile extended to the atmosphere to improve drainage. Suction-volumetric moisture content relationships were monitored at multiple depths, and both water storage capacity and drainage mechanisms were assessed. Results indicate that ES and SES reached stabilization at similar suction thresholds, however, the SES more effectively delayed saturation and facilitated moisture migration by evaporation. Surface exposure induced a relative humidity gradient, generating suction and improving drainage, while a siphon effect redistributed water approximately 25 cm below and 15 cm above the geotextile. These findings confirm that the wicking geotextile can act as a capillary barrier and drainage medium, and provide guidance for silty subgrade design.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 1","pages":"Pages 25-35"},"PeriodicalIF":6.2,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145103277","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Predictive modeling of lateral pressure in geotextile flexible casings for karst pile construction 岩溶桩施工中土工织物柔性套侧压力预测建模

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-09-16 DOI: 10.1016/j.geotexmem.2025.08.011

Tengyun Xue , Liang Xiao , Pengpeng Ni , Runxing Rao , Chaofeng Zeng , Guoxiong Mei

{"title":"Predictive modeling of lateral pressure in geotextile flexible casings for karst pile construction","authors":"Tengyun Xue , Liang Xiao , Pengpeng Ni , Runxing Rao , Chaofeng Zeng , Guoxiong Mei","doi":"10.1016/j.geotexmem.2025.08.011","DOIUrl":"10.1016/j.geotexmem.2025.08.011","url":null,"abstract":"<div><div>In modern geotechnical engineering, geotextile-integrated flexible casings have gained prominence over conventional steel counterparts for concrete containment in karst pile construction, primarily due to their economic advantages and operational simplicity. However, the dynamic behavior of casing lateral pressure development during concrete placement—a fundamental design consideration—has not been thoroughly elucidated, creating uncertainties in engineering practice. This study systematically investigates three key operational parameters through laboratory experiments: casing material characteristics, permeability performance, and concrete placement methods. The research yields two critical advancements: (1) Casing material and discontinuous casting significantly govern the maximum lateral pressure, whereas permeability predominantly regulates post-placement pressure dissipation patterns. Engineering specifications should therefore emphasize the integration of low-strain geotextiles with permeability characteristics and discontinuous placement methods. (2) An innovative predictive model has been developed, synthesizing material properties, permeability performance, and concrete placement methods. Field tests in a karst region show that the proposed model reduces lateral pressure estimates by 42 % compared to traditional hydrostatic designs while maintaining structural safety. These findings establish essential guidelines for performance-oriented design of flexible geotextile containment systems in geologically complex environments.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 1","pages":"Pages 14-24"},"PeriodicalIF":6.2,"publicationDate":"2025-09-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145103276","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Sorption and water distribution performances of a geosynthetic sheet used in naturally contaminated soils management 土工合成片材在自然污染土壤治理中的吸附和配水性能

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-09-06 DOI: 10.1016/j.geotexmem.2025.09.001

Yu Zhang , Yosuke Kinoshita , Tomohiro Kato , Atsushi Takai , Takeshi Katsumi

{"title":"Sorption and water distribution performances of a geosynthetic sheet used in naturally contaminated soils management","authors":"Yu Zhang , Yosuke Kinoshita , Tomohiro Kato , Atsushi Takai , Takeshi Katsumi","doi":"10.1016/j.geotexmem.2025.09.001","DOIUrl":"10.1016/j.geotexmem.2025.09.001","url":null,"abstract":"<div><div>A novel hydrotalcite-coated geosynthetic sorption sheet shows potential for managing geogenic contamination in excavated soils and rocks. Employed in an attenuation layer, it retains contaminants in leachate before infiltration into surrounding soil. This study evaluates the arsenic (As) sorption efficiency and water distribution performance of this geosynthetic material to assess its field applicability. Batch experiments were conducted across a pH range of 3–9, temperatures of 5–40 °C, and with co-existing ions (HCO<sub>3</sub><sup>−</sup>, SO<sub>4</sub><sup>2−</sup> at 0–500 mg/L). Results demonstrated effective removal of both As(III) and As(V), with higher efficiency for As(V). While pH, co-existing ions, and temperature had minimal effect on As(V) removal, they significantly influenced As(III) removal. Specifically, As(III) sorption efficiency decreased by 15 % as pH decreased from 9 to 3. The presence of HCO<sub>3</sub><sup>−</sup> and SO<sub>4</sub><sup>2−</sup> reduced As(III) removal due to competition for sorption sites. Removal efficiency slightly improved at 40 °C due to the endothermic nature of the sorption process. Soil tank experiments indicated that soil particle size was the dominant factor controlling water retention and drainage patterns. Coarse sand promoted concentrated flow, while finer sands enhanced retention and dispersion. The geosynthetic sorption sheet showed only a limited hydraulic influence under the tested conditions.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 1","pages":"Pages 1-13"},"PeriodicalIF":6.2,"publicationDate":"2025-09-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145005410","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

A simple 3D orthotropic model for the tensile response of geogrids: In-isolation and soil–geogrid interaction applications 土工格栅拉伸响应的简单三维正交各向异性模型：隔离和土-土工格栅相互作用的应用

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-08-29 DOI: 10.1016/j.geotexmem.2025.07.010

Lucas Paiva , Margarida Pinho-Lopes , Robertt Valente , António Miguel Paula

{"title":"A simple 3D orthotropic model for the tensile response of geogrids: In-isolation and soil–geogrid interaction applications","authors":"Lucas Paiva , Margarida Pinho-Lopes , Robertt Valente , António Miguel Paula","doi":"10.1016/j.geotexmem.2025.07.010","DOIUrl":"10.1016/j.geotexmem.2025.07.010","url":null,"abstract":"<div><div>The short-term tensile response is one of the key aspects in designing geogrid-reinforced soil structures. In this paper a simple data-driven 3D orthotropic model for the short-term tensile response is proposed. The Hill48 yield model is chosen to represent the orthotropic behaviour of the geogrid, and a procedure to obtain the necessary parameters, from simple tensile test data, is presented. The model is then implemented in ABAQUS, and validated against a realistic problem where the geogrid is embedded in soil. The influence of the orthotropy (against isotropy) on both the reinforcement and the overall soil–geogrid structure is evaluated. The results show that the orthotropic model can accurately predict the tensile response of the geogrid in different directions, with the orthotropy having a significant influence on the reinforcement and the overall structural response, especially in highly orthotropic materials. The study further examined stress redistribution capabilities in geogrids with notches, revealing enhanced stabilization performance using the orthotropic model. Parametric tests indicated that traditional isotropic assumptions might underpredict or overpredict reinforcement performance, emphasizing the advantages for accurate orthotropic characterization. The proposed 3D framework provides a robust, straightforward method for evaluating and optimizing geogrid designs, enabling better prediction of reinforced soil behaviour in geotechnical applications.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"53 6","pages":"Pages 1687-1698"},"PeriodicalIF":6.2,"publicationDate":"2025-08-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144912417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Full-scale experiment and numerical studies on vertical impact characteristics of reinforced embankment 加筋路堤竖向冲击特性的全尺寸试验与数值研究

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-08-28 DOI: 10.1016/j.geotexmem.2025.08.009

Bo Chen , Liang Lu , Zongjian Wang , Shuwen Ma , Katsuhiko Arai

{"title":"Full-scale experiment and numerical studies on vertical impact characteristics of reinforced embankment","authors":"Bo Chen , Liang Lu , Zongjian Wang , Shuwen Ma , Katsuhiko Arai","doi":"10.1016/j.geotexmem.2025.08.009","DOIUrl":"10.1016/j.geotexmem.2025.08.009","url":null,"abstract":"<div><div>Reinforced embankments offer advantages including reduced settlement, environmental friendliness and substantial protection against rockfall hazards. However, current research primarily focuses on the impact response of the upstream facing of reinforced embankments against rockfalls, while neglecting the influence of vertical rockfall impacts on embankment design and analysis. This study investigates deformation characteristics and load transfer mechanisms of reinforced embankment under vertical rockfall impacts through a full-scale experiment. Furthermore, based on the full-scale experiment, a validated numerical model was developed, enabling a parametric analysis of the effects of reinforcement cross-sectional configurations, rock shapes, impact energy and impact points on embankment performance. The findings indicate that reinforced embankments exhibit excellent impact resistance, exhibiting two distinct deformation patterns upon impact that are primarily influenced by impact point, impact energy and reinforcement cross-sectional configuration. Rockfalls with smaller aspect ratios tend to achieve greater penetration depths while causing limited disturbance to the embankment. When maintaining equivalent aspect ratios, flatter rock geometries generate stronger impact forces and cause more significant damage to the embankment structure. The insights from this study provide a basis for verifying and improving the current impact-resistance design of reinforced embankments, offering significant implications for enhancing the safety and functionality of such structures.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"53 6","pages":"Pages 1671-1686"},"PeriodicalIF":6.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144912416","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

Methods for mitigating effect of apparent clogging in vacuum consolidation and analysis technics – a review 缓解真空固结中明显堵塞影响的方法及分析技术综述

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-08-28 DOI: 10.1016/j.geotexmem.2025.08.004

Jinchun Chai , Yafei Qiao , Wenqi Ding , Liangjin Li , Takenori Hino

{"title":"Methods for mitigating effect of apparent clogging in vacuum consolidation and analysis technics – a review","authors":"Jinchun Chai , Yafei Qiao , Wenqi Ding , Liangjin Li , Takenori Hino","doi":"10.1016/j.geotexmem.2025.08.004","DOIUrl":"10.1016/j.geotexmem.2025.08.004","url":null,"abstract":"<div><div>To increase the efficiency and design accuracy of vacuum consolidation of clayey slurries with prefabricated vertical drains (PVDs) or prefabricated horizontal drains (PHDs), methods for mitigating apparent clogging around PVDs/PHDs, and consolidation solutions considering the effect of the apparent clogging are reviewed/analyzed. Methods for mitigating the effect of apparent clogging has been clarified as thermal, physical and chemical ones. For each method, its work mechanism is explained and its effectiveness is evaluated qualitatively/quantitatively. Recently published solutions for a PVD/PHD unit cell consolidation considering mechanical and/or geometrical non-linearities are summarized. Except technics adopted for modelling the non-linearities, other options considered in the solutions are: (i) Darcian or non-Darcian flow; (ii) equal strain or free strain; (iii) considering creep or not; and (iv) time dependent load or constant load. Further, an incremental imaginary time method has been described in certain detail for solving non-linear PVD/PHD unit cell consolidation with time dependent loads. It has been demonstrated that the method is a pragmatic and versatile one.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"53 6","pages":"Pages 1644-1656"},"PeriodicalIF":6.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144907417","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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

A settlement calculation method for soft ground subjected to air-boosting vacuum preloading 增压真空预压软土地基沉降计算方法

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-08-28 DOI: 10.1016/j.geotexmem.2025.08.005

Fang Xu , Wenqian Hao , Qichang Wu , Junfang Yang , Qi Yang

{"title":"A settlement calculation method for soft ground subjected to air-boosting vacuum preloading","authors":"Fang Xu , Wenqian Hao , Qichang Wu , Junfang Yang , Qi Yang","doi":"10.1016/j.geotexmem.2025.08.005","DOIUrl":"10.1016/j.geotexmem.2025.08.005","url":null,"abstract":"<div><div>The air-boosting vacuum preloading (AVP) method effectively enhances the treatment performance of soft ground compared to conventional vacuum preloading. The air-boosting mechanism primarily exerts dewatering, de-structuring, and mitigating apparent clogging around drains, among which the dewatering is closely related to variations in pore water pressure within the soil. Through systematic analysis of pore water pressure variations during the preloading process, a computational framework for quantifying settlement increments induced by dewatering effect is established. By integrating the proportional contribution of dewatering to the total air-boosting effects, the settlement amplification mechanism attributable to air-boosting was characterized. These findings, in conjunction with vacuum consolidation theory, culminated in the development of a settlement calculation method for AVP-treated soft ground. The proposed method was validated through its application to two case histories, demonstrating favorable computational efficiency and satisfactory alignments between predicted and measured settlements. It also effectively reflects the evolution of ground settlement under air-boosting. Furthermore, the variations of the soil <em>e</em>-lg(<em>p</em>) compression curve under AVP treatment were investigated, facilitating the identification of an approximate shifted <em>e</em>-lg(<em>p</em>) curve. Finally, the primary factors affecting the settlement of AVP-treated soft ground were clarified. These findings offer valuable insights for the analysis and design of AVP-treated soft ground.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"53 6","pages":"Pages 1657-1670"},"PeriodicalIF":6.2,"publicationDate":"2025-08-28","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144912514","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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 initial water content and voltage gradient on electroosmotic dewatering of ultra-fine soils using novel electrokinetic geosynthetics 初始含水量和电压梯度对新型电动土工合成材料超细土电渗透脱水的影响

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2025-08-26 DOI: 10.1016/j.geotexmem.2025.08.006

Nilan Jayasiri , Andy Fourie , Cristina Vulpe

{"title":"Influence of initial water content and voltage gradient on electroosmotic dewatering of ultra-fine soils using novel electrokinetic geosynthetics","authors":"Nilan Jayasiri , Andy Fourie , Cristina Vulpe","doi":"10.1016/j.geotexmem.2025.08.006","DOIUrl":"10.1016/j.geotexmem.2025.08.006","url":null,"abstract":"<div><div>Electroosmotic (EO) dewatering has gained substantial attention as an alternative method for improving weak soil deposits. One aspect that has not received sufficient attention in this approach is the influence of initial water content and voltage gradient on the EO treatment. This study aimed to provide a comprehensive understanding of the key operational parameters and post-dewatering performance metrics of EO treatment with varying initial water contents and voltage gradients. A number of electrical, hydraulic and soil water retention parameters were monitored during the treatment process, and the material response to the EO treatment was evaluated by assessing various geotechnical and physiochemical parameters. The results indicate that, regardless of the voltage gradients, overall, the EO dewatering led to a reduction of at least one-third of the original water content. The EO treatment resulted in a sevenfold, ninefold and twentyfold relative increase in undrained shear strength for the experiments with the lowest, intermediate and highest initial water contents, respectively, indicating an exponential increase as the initial water content of the slurry increases. The implications of the findings to improve the viability of EO treatment for large-scale applications using electrokinetic geosynthetics are also discussed.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"53 6","pages":"Pages 1623-1643"},"PeriodicalIF":6.2,"publicationDate":"2025-08-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"144903855","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"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