Geotextiles and Geomembranes最新文献_第2页

Effect of temperature on the long-term interaction mechanism between geogrid and backfill 温度对土工格栅与回填体长期相互作用机制的影响

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-04-01 Epub Date: 2026-01-07 DOI: 10.1016/j.geotexmem.2026.01.001

Huaxin Han , Chengzhi Xiao , Nan Zhu , Jianguang Yin , Luqiang Ding , Xiangji Ye

{"title":"Effect of temperature on the long-term interaction mechanism between geogrid and backfill","authors":"Huaxin Han , Chengzhi Xiao , Nan Zhu , Jianguang Yin , Luqiang Ding , Xiangji Ye","doi":"10.1016/j.geotexmem.2026.01.001","DOIUrl":"10.1016/j.geotexmem.2026.01.001","url":null,"abstract":"<div><div>Variations in backfill temperature affect the long-term interaction behavior between geosynthetic and surrounding soil in geosynthetic-reinforced soil (GRS) walls, which in turn influences their service life. To investigate such behavior, a novel testing apparatus was developed to examine the long-term mechanical response of GRS unit specimens (composed of PP geogrid and either dry sand or clay) and its influence on the lateral earth pressure developing under sustained vertical loading at five controlled temperatures. Test results demonstrated that under constant vertical normal stress applied to the backfill, the horizontal tensile force in the geogrid decreased over time in both unfrozen backfill types, with higher temperatures accelerating the reduction. Rising temperatures also increased strain concentration near the tensile end of the reinforcement. Additionally, the results revealed that existing GRS wall design guidelines based on Rankine earth pressure theory underestimate the horizontal reinforcement tensile force under low temperatures due to inaccurate estimations of lateral earth pressure. Accordingly, a correction factor was proposed to properly predict the lateral earth pressure based on the Rankine earth pressure at different temperatures and times. This study offers valuable insights that could contribute to enhancing the design of GRS walls in regions with extreme climate conditions.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 2","pages":"Pages 362-375"},"PeriodicalIF":6.2,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145938462","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

Experimental and analytical evaluation of enhanced interface efficiency with geocell anchor cages 土工格室锚笼增强界面效率的实验与分析评价

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-04-01 Epub Date: 2025-12-31 DOI: 10.1016/j.geotexmem.2025.12.006

Aarya Krishna, Gali Madhavi Latha

{"title":"Experimental and analytical evaluation of enhanced interface efficiency with geocell anchor cages","authors":"Aarya Krishna, Gali Madhavi Latha","doi":"10.1016/j.geotexmem.2025.12.006","DOIUrl":"10.1016/j.geotexmem.2025.12.006","url":null,"abstract":"<div><div>A new reinforcement concept of Geocell Anchor Cage (GAC) system has been recently proposed by the authors and its benefits in increasing the load carrying capacity and reducing the settlements are established. This paper evaluates the interface shear response of geocell-GACs in comparison to geocells and geocell-grid combinations through large direct shear tests. Results showed that the sand-geocell-GAC interface has shown an increased interface efficiency of 1.5 compared to an interface efficiency of 1.25 computed for the sand-geocell interface at a normal stress of 25 kPa. This difference is slightly reduced at higher normal stresses, but the GACs constantly showed higher interface efficiency compared to geocell and geocell-grid interfaces with sand. Further, interface shear tests were carried out with different geocell pocket sizes to confirm the beneficial effects of GACs and to understand the influence of relative size of geocells and anchor pins. The individual contributions of geocell, geogrid and pins in increasing the interface shear resistance are analytically quantified. Through Particle Image Velocimetry (PIV) analysis of videos captured during shear tests, particle movement and shear zone formations are compared to provide clues to the internal shear mechanisms and interactions involved.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 2","pages":"Pages 330-347"},"PeriodicalIF":6.2,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145883890","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

Physical performance of flexible pavement system with and without a Portland-cement-concrete (PCC) slab for geofoam embankments 土工泡沫路堤有和没有波特兰水泥混凝土（PCC）板柔性路面系统的物理性能

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-04-01 Epub Date: 2025-11-20 DOI: 10.1016/j.geotexmem.2025.11.001

Emre Akınay , Hande Isik Ozturk , Abdullah Yasin Büyükaslan , Abdullah Tolga Özer

{"title":"Physical performance of flexible pavement system with and without a Portland-cement-concrete (PCC) slab for geofoam embankments","authors":"Emre Akınay , Hande Isik Ozturk , Abdullah Yasin Büyükaslan , Abdullah Tolga Özer","doi":"10.1016/j.geotexmem.2025.11.001","DOIUrl":"10.1016/j.geotexmem.2025.11.001","url":null,"abstract":"<div><div>Pavement system design for geofoam block embankments requires special solution due to their low California Bearing Ratio (CBR) values. Hence, the use of a reinforced Portland-cement-concrete (PCC) slab atop the geofoam block assemblage is considered as a practical approach to increase the stiffness of the pavement. On the other hand, the PCC slab has some inherent disadvantages such as construction delay due to curing. A thicker pavement system without a PCC slab can be a potential alternative. Hence, the performance of flexible pavement systems with and without PCC slab were investigated using the accelerated pavement test (APT) program in detail. Two 3.75 m-wide and 10 m-long pavements were constructed in a test bed, and a controlled wheel load was applied using a 3-axle, 37.72-ton truck that traveled with an average speed of 16.5 km/h. The test was terminated, when rutting reached to steady deformation pattern at 1299 passes (3897 axle repetitions), which is equal to 20,264.4 equivalent single axle loads (ESAL). The test program also included plate load tests (PLT) and falling weight deflectometer (FWD) tests. The full-scale APT results showed that flexible pavement systems without a PCC slab for geofoam block embankments can be a viable option.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 2","pages":"Pages 225-238"},"PeriodicalIF":6.2,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145555377","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

Sensing performance and mechanism of flexible sensing-enabled CB-CNT/PDMS geosynthetics for soil deformation monitoring 柔性传感CB-CNT/PDMS土工合成材料土壤变形监测的传感性能与机理

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-04-01 Epub Date: 2025-12-31 DOI: 10.1016/j.geotexmem.2025.12.007

Xinzhuang Cui , Shibao Lu , Xu Zhang , Qing Jin , Shiyuan Sun , Hui Li

{"title":"Sensing performance and mechanism of flexible sensing-enabled CB-CNT/PDMS geosynthetics for soil deformation monitoring","authors":"Xinzhuang Cui , Shibao Lu , Xu Zhang , Qing Jin , Shiyuan Sun , Hui Li","doi":"10.1016/j.geotexmem.2025.12.007","DOIUrl":"10.1016/j.geotexmem.2025.12.007","url":null,"abstract":"<div><div>Conventional soil deformation monitoring technologies often struggle to achieve distributed and high-precision measurements under large-strain conditions (>20 %), which are typical in geotechnical failures. To address this limitation, this study developed a novel flexible sensing-enabled geosynthetics material by incorporating a hybrid conductive filler system composed of carbon black (CB) and carbon nanotubes (CNT) into a polydimethylsiloxane (PDMS) matrix. Key fabrication parameters including the CB/CNT mass ratio, n-hexane dispersant content, and curing temperature were systematically optimized to enhance electrical conductivity and electromechanical response. The optimized composite exhibits excellent strain-sensing performance within the 0–20 % strain range, with a gauge factor (GF) of 2.453, a linear coefficient of determination (R<sup>2</sup>) of 0.972, and demonstrates outstanding signal stability and cyclic durability. Microstructural analyses revealed that the synergistic effect between CB and CNT facilitated the formation of a dense and stable conductive network, significantly improving sensing linearity and sensitivity. The feasibility of the material for practical application was validated through model tests on a sand foundation, where it accurately captured deformation patterns under various loading conditions. This work provides a reliable and sensitive flexible sensing solution for real-time monitoring of soil deformation, with broad potential in geotechnical health monitoring and early warning systems.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 2","pages":"Pages 348-361"},"PeriodicalIF":6.2,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145883891","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

Stress transfer mechanism of ground reinforcement embankments subjected to lateral rockfall impact 侧向落石冲击下地基加固路堤的应力传递机制

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-04-01 Epub Date: 2025-12-10 DOI: 10.1016/j.geotexmem.2025.12.002

Liang Lu , Haibo Zhu , Zongjian Wang , Chengkun Wu , Lanxing Li , Katsuhiko Arai

{"title":"Stress transfer mechanism of ground reinforcement embankments subjected to lateral rockfall impact","authors":"Liang Lu , Haibo Zhu , Zongjian Wang , Chengkun Wu , Lanxing Li , Katsuhiko Arai","doi":"10.1016/j.geotexmem.2025.12.002","DOIUrl":"10.1016/j.geotexmem.2025.12.002","url":null,"abstract":"<div><div>The stress transfer mechanism of ground reinforced embankments subjected to lateral rockfall impact is systematically investigated through full-scale tests, finite element simulations, and theoretical analysis, with a particular focus on the stress diffusion angle. The results indicate that the impact-induced stress propagated rapidly and attenuated with increasing distance from the impact point, with transmission most efficient in the direction of impact. Parametric analyses demonstrate that impact energy, reinforcement spacing, and soil friction angle significantly influenced stress dispersion, whereas the height-to-thickness ratio mainly affected wall deformation. It is found that a reinforcement spacing of 0.2 m yielded optimal performance in resisting rockfall impact. Furthermore, it is recommended that the height-to-thickness ratio of the embankment be limited to less than 2 to mitigate wall deformation and prevent rear extrusion under impact. A theoretical model for the stress diffusion angle is derived based on the conical stress diffusion theory, providing an explicit analytical expression for GREs under lateral rockfall impact. The proposed model shows satisfactory agreement with numerical results, with discrepancies below 15 %, thereby validating the reliability of the theoretical solution.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 2","pages":"Pages 263-281"},"PeriodicalIF":6.2,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145747787","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

Cold temperature behaviour of polyethylene geomembranes 聚乙烯土工膜的低温性能

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-04-01 Epub Date: 2025-11-21 DOI: 10.1016/j.geotexmem.2025.11.002

M. Somuah, F.B. Abdelaal, R. Kerry Rowe

{"title":"Cold temperature behaviour of polyethylene geomembranes","authors":"M. Somuah, F.B. Abdelaal, R. Kerry Rowe","doi":"10.1016/j.geotexmem.2025.11.002","DOIUrl":"10.1016/j.geotexmem.2025.11.002","url":null,"abstract":"<div><div>Impact and tensile tests were conducted on two high-density polyethylene (HDPE) geomembranes made from unimodal and bimodal resins, as well as a linear low-density polyethylene (LLDPE) geomembrane. This study investigates the ductile-to-brittle transition temperatures (DBTTs), energy-to-break (EtB, defined as the amount of energy required to cause a geomembrane specimen to either partially or fully fracture under impact test conditions). Of the three geomembranes, BMzA15 maintained the highest overall EtB values, followed closely by LxD15, and significantly above MxC15, over a range of temperatures (−60 °C–25 °C). Results showed that DBTT occurred between −16 °C and −27 °C, significantly above the glass transition temperature (Tg) of polyethylene. While higher molecular weight and lower density correlated with lower DBTT, no single resin property consistently predicted impact energy absorption below the DBTT. Additionally, surface flaws as shallow as 5 % of the geomembrane's nominal thickness shifted DBTT upward by nearly 18 °C, and reduced energy-to-break by about 33 %. These findings highlight the need for careful material selection, defect management, and load-rate consideration when selecting geomembranes for applications in cold environments.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 2","pages":"Pages 239-248"},"PeriodicalIF":6.2,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145567362","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

Static pullout behavior of a geogrid under cyclic normal loading 循环法向荷载作用下土工格栅的静力拉拔特性

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-04-01 Epub Date: 2026-01-08 DOI: 10.1016/j.geotexmem.2026.01.002

Wooseok Shin, Jonghyun Kim, Chungsik Yoo

{"title":"Static pullout behavior of a geogrid under cyclic normal loading","authors":"Wooseok Shin, Jonghyun Kim, Chungsik Yoo","doi":"10.1016/j.geotexmem.2026.01.002","DOIUrl":"10.1016/j.geotexmem.2026.01.002","url":null,"abstract":"<div><div>This study investigates the effect of cyclic normal loading on the static pullout behavior of geogrids installed in compacted sandy soils. A series of laboratory pullout tests was performed where geogrid specimens were subjected to cyclic normal loads (CNL) with varying amplitudes. The results show that the geogrid pullout behavior under cyclic normal loading generally falls between those under the static normal stresses corresponding to the cyclic upper and lower normal stresses. For all baseline normal stress levels tested, there is a general trend of increasing peak pullout resistance with increasing CNL amplitude but with a strong dependency of the magnitude of increase on the baseline normal stress level. This observation highlights the importance of considering the cyclic amplitude in relation to baseline normal stress when estimating the pullout resistance of a geogrid under cyclic normal loading. Based on the test results, an equivalent normal stress approach incorporating cyclic amplitude mobilization factor was presented for evaluating the interaction coefficient under cyclic normal loading. The practical implications of the findings were also discussed.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 2","pages":"Pages 376-385"},"PeriodicalIF":6.2,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145938463","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

Drainage performance for clay slopes with wicking tubes in seasonally frozen regions: Experiment and field monitoring 季节性冻土区粘土边坡吸湿管排水性能：试验与现场监测

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-04-01 Epub Date: 2025-12-11 DOI: 10.1016/j.geotexmem.2025.12.003

Zhimin Ma, Chuang Lin, Guanfu Wang, Decheng Feng, Feng Zhang

{"title":"Drainage performance for clay slopes with wicking tubes in seasonally frozen regions: Experiment and field monitoring","authors":"Zhimin Ma, Chuang Lin, Guanfu Wang, Decheng Feng, Feng Zhang","doi":"10.1016/j.geotexmem.2025.12.003","DOIUrl":"10.1016/j.geotexmem.2025.12.003","url":null,"abstract":"<div><div>In seasonally frozen regions, spring thaw often destabilizes embankment slopes because excess moisture accumulates in the surface layers. Existing drainage systems are constrained by slow response times, particularly under unsaturated conditions. To address these challenges, this study proposes a seasonally frozen slope treatment method based on wicking geotextiles with active drainage capabilities. Comprehensive slope model tests were conducted under natural freeze-thaw and rainfall conditions to comparatively evaluate the drainage performance of wicking geotextiles against conventional alternatives. The results indicated that wicking geotextiles significantly enhanced lateral water migration, rapidly reduced soil moisture content under unsaturated conditions, and effectively prevented moisture accumulation during thawing and rainfall events. Subsequently, field case studies were conducted to assess the practical engineering performance by monitoring slope sections with and without wicking geotextile treatment. It further confirmed the superior drainage efficiency of wicking geotextiles, notably improving slope stability by mitigating moisture-induced shallow landslides during the spring thaw period. This study demonstrates the potential of wicking geotextiles as a practical engineering solution, providing valuable insights into slope stabilization technology in seasonally frozen regions.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 2","pages":"Pages 282-298"},"PeriodicalIF":6.2,"publicationDate":"2026-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145747786","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 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 : 2026-02-01 Epub 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":"2026-02-01","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

Experimental study on shear bond strength and bearing capacity of lightweight cellular concrete fill around plastic pipes 塑料管材周围轻量泡沫混凝土抗剪粘结强度及承载力试验研究

IF 6.2 1区工程技术

Geotextiles and Geomembranes Pub Date : 2026-02-01 Epub Date: 2025-10-22 DOI: 10.1016/j.geotexmem.2025.10.002

Yu-qiu Ye , Jie Han , Brad Dolton , Robert L. Parsons

{"title":"Experimental study on shear bond strength and bearing capacity of lightweight cellular concrete fill around plastic pipes","authors":"Yu-qiu Ye , Jie Han , Brad Dolton , Robert L. Parsons","doi":"10.1016/j.geotexmem.2025.10.002","DOIUrl":"10.1016/j.geotexmem.2025.10.002","url":null,"abstract":"<div><div>Lightweight cellular concrete (LCC) has great potential to be used as a backfill material for buried pipes due to its low self-weight, high strength, and good thermal insulation properties. However, the shear bond strength between LCC and plastic pipes and its load-bearing capacity over these pipes have not been well studied. This study conducted pushout tests to investigate the shear bond strengths between LCCs at densities ranging from 400 to 650 kg/m<sup>3</sup> and smooth polyvinyl chloride, high-density polyethylene, and steel pipes. To take advantage of the test specimens, bearing capacity tests were conducted to evaluate the bearing capacities of the LCCs over pipes. Test results indicate that the steel pipe exhibited a higher shear bond strength than the plastic pipes and the LCC density did not significantly impact the peak shear bond strength. The measured ultimate bearing capacities of LCCs were close to their unconfined compressive strengths and the calculated results using Meyerhof's method based on the cohesion from small direct shear tests. In addition, LCC at a density of 400 kg/m<sup>3</sup> showed a shear failure pattern, while LCC at densities of 475, 550, and 650 kg/m<sup>3</sup> exhibited a splitting failure pattern.</div></div>","PeriodicalId":55096,"journal":{"name":"Geotextiles and Geomembranes","volume":"54 1","pages":"Pages 136-145"},"PeriodicalIF":6.2,"publicationDate":"2026-02-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"145362313","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