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Artykuły w czasopismach na temat „Cohesive testing”

Autor: Grafiati

Data publikacji: 3 czerwca 2025

Data aktualizacji: 31 lipca 2025

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1

Estikhamah, Fithri, and Dian Purnamawati Solin. "Correlation Between Cone Resistance Values and Cohesion Values in Cohesive Soils (Case Study in Gunung Anyar District)." E3S Web of Conferences 328 (2021): 01005. http://dx.doi.org/10.1051/e3sconf/202132801005.

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The physical and mechanical properties of the soil can be determined based on laboratory tests by testing soil samples obtained from field drilling. At one point it can be done simultaneously between SPT testing and drilling. Therefore, it can be known simultaneously the value of N-SPT with the physical and mechanical properties of the soil. The purpose of this study was to obtain a relationship between the cone resistance value (qc) obtained in the field and the cohesion value for cohesive soil types. This study uses primary data, and secondary data. The results of the correlation between the

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2

Ofrikhter, Vadim Grigor’evich, and Yan Vadimovich Ofrikhter. "RESULTS OF COMPRESSION TESTING ON PSEUDO-COHESIVE SOIL." Vestnik MGSU, no. 9 (September 2015): 61–72. http://dx.doi.org/10.22227/1997-0935.2015.9.61-72.

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Natural non-treated sand reinforced with randomly oriented short polypropylene fibers of 12 mm in length was tested to determine creep characteristics. This study is a part of the research aimed at encouraging fibrosand (FRS) application in subsoils, embankments and retaining wall constructions. Fiber content was accounted for 0.93 %. Twin specimens were put to creep tests (1-D compression) using the two curve method. The test results were analyzed and checked with the use of ageing, hardening and hereditary creep theories. On the basis of approximation of the test results the creep deformatio

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Sobczyk, Kamil, Ryszard Chmielewski, Leopold Kruszka, and Ryszard Rekucki. "Strength Characterization of Soils’ Properties at High Strain Rates Using the Hopkinson Technique—A Review of Experimental Testing." Materials 15, no. 1 (2021): 274. http://dx.doi.org/10.3390/ma15010274.

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The paper presents a review of crucial experiments and the latest publications, presenting the previous and current trends in experimental research in 2018–2021 in the area of soil dynamic interaction based on the Hopkinson bar technique. A review of investigated experimental test stands was made, in particular, cohesive and non-cohesive soil specimens prepared with different dimensions and densities. From this study, it can be concluded that the dynamic response of the soil depends on many factors, e.g., density, cohesion, moisture and grain structure of the soil specimen. There is still a no

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Tryding, Johan, Gustav Marin, Mikael Nygårds, Petri Mäkelä, and Giulio Ferrari. "Experimental and theoretical analysis of in-plane cohesive testing of paperboard." International Journal of Damage Mechanics 26, no. 6 (2016): 895–918. http://dx.doi.org/10.1177/1056789516630776.

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In-plane cohesive failure of paperboard was characterized by short-span uniaxial tension tests. Six paperboards' qualities were experimentally investigated, from which cohesive stress–widening curves were extracted. A fracture energy was defined, expressed in the tensile strength and maximum slope of the cohesive stress–widening relation. Analytical cohesive relations were derived based on the tensile strength and maximum slope, utilizing the Morse potential for diatomic molecules. It was experimentally found that the maximum slope and fracture energy depend on the tensile strength. The ratio

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Krishnappan, Bommanna. "Review of a Semi-Empirical Modelling Approach for Cohesive Sediment Transport in River Systems." Water 14, no. 2 (2022): 256. http://dx.doi.org/10.3390/w14020256.

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In this paper, a review of a semi-empirical modelling approach for cohesive sediment transport in river systems is presented. The mathematical modelling of cohesive sediment transport is a challenge because of the number of governing parameters controlling the various transport processes involved in cohesive sediment, and hence a semi-empirical approach is a viable option. A semi-empirical model of cohesive sediment called the RIVFLOC model developed by Krishnappan is reviewed and the model parameters that need to be determined using a rotating circular flume are highlighted. The parameters th

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6

Piao, Lechuan, Fei Xue, Shaofeng Lu, Lin Jiang, Bing Han, and Xu Xu. "Active Planning for Virtual Microgrids with Demand-Side and Distributed Energy Resources." Energies 17, no. 10 (2024): 2391. http://dx.doi.org/10.3390/en17102391.

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In this paper, the notion of a cohesive and self-sufficient grid is proposed. Based on a cohesive and self-sufficient virtual microgrid, an active distribution network is optimally planned, and an optimal configuration of demand-side resources, distributed generations, and energy storage systems are generated. To cope with stochastic uncertainty from forecast error in wind speed and load, flexibility reserves are needed. In this paper, the supply relation between flexibility and uncertainty is quantified and integrated in an innovative index which is defined as cohesion. The optimization objec

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7

Ofrikhter, Vadim, and Yan Ofrikhter. "RESULTS OF COMPRESSION TESTING ON PSEUDO-COHESIVE SOIL." Vestnik MGSU, no. 9 (September 2015): 61–71. http://dx.doi.org/10.22227/1997-0935.2015.9.61-71.

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Preechawuttipong, I., P. Ingsuwan, and R. Peyroux. "Crack nucleation and propagation in rounded cohesive granular media." Strength, Fracture and Complexity: An International Journal 4, no. 3 (2006): 161–68. https://doi.org/10.3233/sfc-2006-079.

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This work investigates the influence of cohesion on aspects of fracture mode and propagation in 2D rounded cohesive granular packing. Simulations are undertaken using the molecular dynamics method involving simple contact laws with adhesion. The numerical “Brazilian” test with samples of 8000 circular particles suggests that the formation of crystallized agglomerates within mono-disperse samples depends on the value of the cohesive energy between particles. The agglomerate size is increased when the surface energy increases. In the testing phase and for high values of surface energy, the fissu

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9

Shugar, Daniel, Ray Kostaschuk, Peter Ashmore, Joe Desloges, and Leif Burge. "In situ jet-testing of the erosional resistance of cohesive streambeds." Canadian Journal of Civil Engineering 34, no. 9 (2007): 1192–95. http://dx.doi.org/10.1139/l07-024.

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Fletchers Creek is located in an urbanizing basin near Toronto and has a bed and banks composed primarily of cohesive Halton Till. Critical shear stress and an erodibility coefficient for the till were determined using an in situ jet-tester that directs a submerged jet of water perpendicular to the sediment surface. The results from 10 jet-tests indicate that the till has a relatively low critical shear stress and relatively high erodibility coefficient and could be susceptible to bed scour during flood events. Many other streams in southern Ontario have urbanizing watersheds with cohesive ti

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10

Strong, Carol J., and James P. Shaver. "Stability of Cohesion in the Spoken Narratives of Language-Impaired and Normally Developing School-Aged Children." Journal of Speech, Language, and Hearing Research 34, no. 1 (1991): 95–111. http://dx.doi.org/10.1044/jshr.3401.95.

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The short-term stability of the cohesion scores for the spoken narratives of language-impaired and normally developing school-aged children was investigated. Narratives were obtained from 39 language-impaired and 39 normal-language children, aged 8–10 years, at four 2-week intervals. Reliability coefficients for scores from five measures—two for cohesive adequacy and three for verbal productivity—were of adequate magnitude for analysis. Mean cohesive adequacy scores were stable across narratives, but stability coefficients were only moderately large. Stability coefficients for verbal productiv

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11

Głuchowski, Andrzej. "Prediction of Resilient Modulus Value of Cohesive and Non-Cohesive Soils Using Artificial Neural Network." Materials 17, no. 21 (2024): 5200. http://dx.doi.org/10.3390/ma17215200.

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This paper investigates the application of Artificial Neural Networks (ANNs) for predicting the resilient modulus (Mr) of subgrade and subbase soils, which is a critical parameter in pavement design. Utilizing a dataset of 1683 Mr observations, the ANN model incorporates eight input variables, including soil gradation, plasticity, and stress conditions. The model was optimized using a quasi-Newton method, achieving high predictive accuracy, with a coefficient of determination (R2) of 0.9613 and low error rates for both selection and testing datasets. To further enhance model interpretability,

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12

Janani, Tharmaseelan. "Cohesive Software Design." International Journal of Trend in Scientific Research and Development 3, no. 3 (2019): 955–57. https://doi.org/10.31142/ijtsrd22900.

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This paper presents a natural language processing based automated system called DrawPlus for generating UML diagrams, user scenarios and test cases after analyzing the given business requirement specification which is written in natural language. The DrawPlus is presented for analyzing the natural languages and extracting the relative and required information from the given business requirement Specification by the user. Basically user writes the requirements specifications in simple English and the designed system has conspicuous ability to analyze the given requirement specification by using

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13

Olesiak, Sebastian. "On the Possibility of Testing Miocene Clay from Cracow Area using Weight Sounding Test (WST)." Studia Geotechnica et Mechanica 36, no. 1 (2014): 71–78. http://dx.doi.org/10.2478/sgem-2014-0009.

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Abstract Polish standards concerning field investigation with the use of a Weight Sounding Test (WST) probe give interpretation of results for non-cohesive soils only. The lack of such interpretation for cohesive soils excludes this testing equipment from use. This paper presents the results of geotechnical site investigation and laboratory tests performed for Miocene clays in Carpathian Foredeep in the Cracow area. Based on the analysis of the results a correlation was determined between the characteristic values for the WST probe (number of half-turns NWST) and the selected properties of Mio

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14

Ghafar, Fazle, Hamza Ahmad Qureshi, Muhammad Hammad, Muhammad Safdar, Inam Yaha Jan, and Umar Farooq. "INVESTIGATING SHEAR STRENGTH CHARACTERISTICS OF COHESIVE SOILS: STATISTICAL ANALYSIS IN KPK, PAKISTAN." Journal of Mountain Area Research 9 (May 7, 2024): 123. http://dx.doi.org/10.53874/jmar.v9i0.189.

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It is crucial to determine the shear strength parameters (Cohesion (C) and Angle of internal friction (Φ) ) in order to encounter soil stability issues such as slope stability, bearing capacity and lateral earth pressure on retaining structures. The shear strength of cohesive soils is an essential parameter in Geotechnical Engineering design and construction. In Khyber Pakhtunkhwa (KPK), Pakistan, the soil is predominantly cohesive. it is essential to evaluate these parameters accurately to ensure safety and stability in civil engineering structures. In this research an effort has been made to

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15

Zhou, Dong, Chen Hui Liu, Bao Guo, and Guan Yong Yue. "Experimental Study on Thermal Effect of Shear Strength of Cohesive Soil." Applied Mechanics and Materials 548-549 (April 2014): 561–66. http://dx.doi.org/10.4028/www.scientific.net/amm.548-549.561.

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The paper mainly studies the influence rules of temperature (10°C~60°C) and curing time on shear strength indexes of cohesive soil, such as cohesion and internal friction angle, which are very significant in civil engineering works as the temperature of the earth’s surface increases. Such influence plays an even more important role in the design of the ground source heat pump and the geological disposal of high-level radioactive wastes. In this paper, the triaxial unconsolidated-undrained tests on unsaturated cohesive soil samples have recently been performed. And the testing results show that

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16

Button, Brian, Henry P. Goodell, Eyad Atieh, et al. "Roles of mucus adhesion and cohesion in cough clearance." Proceedings of the National Academy of Sciences 115, no. 49 (2018): 12501–6. http://dx.doi.org/10.1073/pnas.1811787115.

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Clearance of intrapulmonary mucus by the high-velocity airflow generated by cough is the major rescue clearance mechanism in subjects with mucoobstructive diseases and failed cilial-dependent mucus clearance, e.g., subjects with cystic fibrosis (CF) or chronic obstructive pulmonary disease (COPD). Previous studies have investigated the mechanical forces generated at airway surfaces by cough but have not considered the effects of mucus biophysical properties on cough efficacy. Theoretically, mucus can be cleared by cough from the lung by an adhesive failure, i.e., breaking mucus-cell surface ad

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17

HATTORI, Atsushi, Koh-ichi FUJITA, Osamu HIRATATE, Syoichi AKAGAWA, and Shigeo YUKAWA. "DEVELOPMENT AND TESTING OF SIMULATION MODEL OF COHESIVE BANK EROSION." PROCEEDINGS OF HYDRAULIC ENGINEERING 43 (1999): 713–18. http://dx.doi.org/10.2208/prohe.43.713.

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Pincus, HJ, GZ Voyiadjis, PU Kurup, and MT Tumay. "Preparation of Large-Size Cohesive Specimens for Calibration Chamber Testing." Geotechnical Testing Journal 16, no. 3 (1993): 339. http://dx.doi.org/10.1520/gtj10055j.

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Katti, Dinesh R., and Chandra S. Desai. "Modeling and Testing of Cohesive Soil Using Disturbed-State Concept." Journal of Engineering Mechanics 121, no. 5 (1995): 648–58. http://dx.doi.org/10.1061/(asce)0733-9399(1995)121:5(648).

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20

Lofaj, Frantisek, and Dušan Németh. "FEM of Cracking during Nanoindentation and Scratch Testing in the Hard W-C Coating/Steel Substrate System." Key Engineering Materials 784 (October 2018): 127–34. http://dx.doi.org/10.4028/www.scientific.net/kem.784.127.

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Finite element modelling (FEM) and eXtended FEM (XFEM) combined with the experimental nanoindentation and scratch tests have been used to simulate the process of cohesive cracking in W-C coating on softer and more ductile steel substrate during nanoindentation and scratch testing. The formation of single and multiple circular “frame” cohesive cracks in the sink-in zone during nanoindentation were explained by the development of high local tensile stresses in the coatings controlled by the plastic deformation of the substrate. Analogous mechanisms were successfully applied to the simulation of

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21

Zainorabidin, Adnan, and Dian Hastari Agustina. "Effect of moisture content of cohesive subgrade soil." MATEC Web of Conferences 195 (2018): 03010. http://dx.doi.org/10.1051/matecconf/201819503010.

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A good subgrade for road pavement is required to support the traffic load that passes through. The characteristics of the subgrade is determined by the stress-strain behaviour that is expressed as a resilient modulus. The performance of the pavement is affected by characteristics of the subgrade. Characteristics of clay soil generally have a low of bearing capacity, especially to support the load induced by the wheel load of vehicles. Clay soil is very sensitive to changes of temperature and moisture content. The changes of moisture content cause the changes on the subgrade‚s resilient modulus

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22

Zheng, Chuanfeng, Genze Li, Yazhi Xu, Danni Wang, and Dan Lv. "Analysis of the Effects of Ageing on the Cohesive Strength of Polymer-Modified Bitumen at Low Temperatures." Baltic Journal of Road and Bridge Engineering 13, no. 2 (2018): 156–64. http://dx.doi.org/10.7250/bjrbe.2018-13.410.

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The decay law on the ageing process of the cohesive strength of styrene-butadiene-styrene(SBS)- and polyethylene(PE)-modified bitumens at low temperatures was investigated. The rotated-thin-film oven test was used to age the two types of polymer-modified bitumens. The cohesive strengths at different low-temperature conditions were tested quantitatively according to technology for testing the low-temperature cohesive strength of bitumen. The decay curve of bitumen low-temperature cohesive strengths was drawn, and the embrittlement time of bitumen at different ageing states was obtained accordin

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23

Lin, J. P., J. F. Wang, and R. Q. Xu. "Cohesive Zone Model Based Numerical Analysis of Steel-Concrete Composite Structure Push-Out Tests." Mathematical Problems in Engineering 2014 (2014): 1–12. http://dx.doi.org/10.1155/2014/175483.

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Push-out tests were widely used to determine the shear bearing capacity and shear stiffness of shear connectors in steel-concrete composite structures. The finite element method was one efficient alternative to push-out testing. This paper focused on a simulation analysis of the interface between concrete slabs and steel girder flanges as well as the interface of the shear connectors and the surrounding concrete. A cohesive zone model was used to simulate the tangential sliding and normal separation of the interfaces. Then, a zero-thickness cohesive element was implemented via the user-defined

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Mahabub, Md Shakil, and Mohammad Rafikul Islam. "The Subsoil Characterization of Matarbari Ultra Super Critical Coal-Fired Power Project, Bangladesh." Volume 5 - 2020, Issue 9 - September 5, no. 9 (2020): 931–45. http://dx.doi.org/10.38124/ijisrt20sep699.

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In this research, the subsoil characteristics and geotechnical issues have been evaluated for ground improvement, land development and design facilitation of Matarbari Ultra Super Critical Coal-Fired Power Project, Bangladesh. The subsoil conditions and geotechnical issues are addressed by determining the geotechnical parameters of soil. The soil characteristics are obtained from soil investigation and executed under land development for the procurement of power plant facilities. The American Society for Testing and Materials (ASTM International) standard is used to estimate all the soil param

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Gilormini, Pierre, and Julie Diani. "Testing some implementations of a cohesive-zone model at finite strain." Engineering Fracture Mechanics 148 (November 2015): 97–109. http://dx.doi.org/10.1016/j.engfracmech.2015.09.013.

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Buttress, A. J., J. A. Grenfell, and G. D. Airey. "Accelerated swell testing of artificial sulfate bearing lime stabilised cohesive soils." Materials and Structures 48, no. 11 (2014): 3635–55. http://dx.doi.org/10.1617/s11527-014-0428-y.

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McKenna, Sarah, Eunro Lee, Kathleen A. Klik, Andrew Markus, Miles Hewstone, and Katherine J. Reynolds. "Are diverse societies less cohesive? Testing contact and mediated contact theories." PLOS ONE 13, no. 3 (2018): e0193337. http://dx.doi.org/10.1371/journal.pone.0193337.

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Tamošiūnas, Tadas, and Šarūnas Skuodis. "Non-cohesive Soil Direct Shear Strength Affected with Hydrostatic Pressure." Mokslas - Lietuvos ateitis 9, no. 5 (2017): 520–23. http://dx.doi.org/10.3846/mla.2017.1078.

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This paper presents first results of noncohesive soil direct shear tests with hydrostatic pressure. To reach this aim, it was chosen the Baltic Sea Klaipėda sand, due to granulometry composition and particles shape. According to this, investigated Baltic Sea sand can be called Lithuanian standard sand for scientific testing. Analysis of results revealed, that when it is increased hydrostatic pressure, the shearing strength is also increasing. Comparing air dry sand results with fully saturated sand and affected with 100 kPa of hydrostatic pressure, the angle of internal friction increased fo

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Maulana, Malik Ridwan, Hilton Ahmad, and Sugiman Sugiman. "Application of Bilinear Softening Laws and Fracture Toughness of Foamed Concrete." Construction Materials 3, no. 3 (2023): 287–304. http://dx.doi.org/10.3390/constrmater3030019.

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This study examined the fracture and failed performance of foamed concrete materials by testing normalized notched beams under three-point bending via three methods: inverse analysis, digital image correlation (DIC), and finite element modeling (FEM). It also discussed both experimental and FEM characteristics. However, inverse analysis is only applicable for specimens with a notch height of 30 mm. Bilinear softening of the tested beams was estimated to identify the fracture energy (GF), critical crack length (ac), and elastic modulus (E). Additionally, the fracture toughness was calculated by

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Sharma, Keshab, and Lijun Deng. "Field testing of rocking foundations in cohesive soil: cyclic performance and footing mechanical response." Canadian Geotechnical Journal 57, no. 6 (2020): 828–39. http://dx.doi.org/10.1139/cgj-2018-0734.

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This paper presents a field test program of a large-scale soil–footing-structure system designed with a rocking foundation in a cohesive soil to examine the behaviour of the system and to provide case histories for possible performance-based seismic design of foundations. The rocking system was subjected to slow cyclic loadings at various drift ratios up to 7%. Twenty-four tests were conducted for foundations with varying initial factors of safety against the bearing failure, loading directions, rotation amplitudes, and embedment. A geotechnical investigation was carried out to determine soil

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Mindiastiwi, Tigo, Po-Kai Wu, Agus Bambang Siswanto, and Mukhamad Afif Salim. "Triaxial Testing on Geogrid-reinforced Granular Soils." IOP Conference Series: Materials Science and Engineering 1200, no. 1 (2021): 012030. http://dx.doi.org/10.1088/1757-899x/1200/1/012030.

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Abstract Laboratory triaxial compression tests were carried out to investigate the mechanical behavior of dense sand and geogrid-reinforced granular soils. The tested sand having its mean particle size (D50) equal to 0.6 mm was adopted. Three geogrids with different longitudinal and transverse nominal strengths were used. The dimensions of the cylindrical soil specimen were 70 mm (diameter) × 160 mm (height). The relative density was equal to 70% for all tests. The reinforced sand specimens with one or two geogrid layers were sheared under effective confining pressures (σ′3) equal to 50 kPa. T

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Schneider, W. Joel, and Zachary Roman. "Fine-Tuning Cross-Battery Assessment Procedures: After Follow-Up Testing, Use All Valid Scores, Cohesive or Not." Journal of Psychoeducational Assessment 36, no. 1 (2017): 34–54. http://dx.doi.org/10.1177/0734282917722861.

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We used data simulations to test whether composites consisting of cohesive subtest scores are more accurate than composites consisting of divergent subtest scores. We demonstrate that when multivariate normality holds, divergent and cohesive scores are equally accurate. Furthermore, excluding divergent scores results in biased estimates of construct scores. We show that obtaining divergent scores should prompt additional testing under some conditions. Although there are many valid reasons to exclude scores from consideration (e.g., malingering, fatigue, and misunderstood directions), no score

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Pitz, Emil, Matei-Constantin Miron, Imre Kállai, and Zoltán Major. "NUMERICAL PREDICTIONS AND MECHANICAL TESTING OF BRAIDED COMPOSITE STRUCTURES UTILISING DIGITAL IMAGE CORRELATION." Acta Polytechnica CTU Proceedings 7 (December 9, 2016): 43. http://dx.doi.org/10.14311/app.2017.7.0043.

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The current paper is describing the implementation of a multiscale numerical model for prediction of stiffness and strength in braided composites. The model is validated by experimental testing of single-layer braided tubes under torsional loading utilising digital image correlation (DIC). For the numerical model the entire braided structure is modelled at yarn detail level, taking into account the yarn behaviour as well as individual yarn-to-yarn interactions by using cohesive contact definitions. By means of Hashin’s failure criteria and cohesive contact damage, failure of the yarns and fail

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Łukawska, Aleksandra, Grzegorz Ryżyński, and Mateusz Żeruń. "Serial Laboratory Effective Thermal Conductivity Measurements of Cohesive and Non-cohesive Soils for the Purpose of Shallow Geothermal Potential Mapping and Databases—Methodology and Testing Procedure Recommendations." Energies 13, no. 4 (2020): 914. http://dx.doi.org/10.3390/en13040914.

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The article presents the methodology of conducting serial laboratory measurements of thermal conductivity of recompacted samples of cohesive and non-cohesive soils. The presented research procedure has been developed for the purpose of supplementing the Engineering–Geology Database and its part–Physical and Mechanical Properties of Soils and Rocks (abbr. BDGI-WFM) with a new component regarding thermal properties of soils. The data contained in BDGI-WFM are the basis for the development of maps and plans for the assessment of geothermal potential and support for the sustainable development of

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Hight, D. W. "Laboratory Testing: Assessing BS 5930." Geological Society, London, Engineering Geology Special Publications 2, no. 1 (1986): 43–52. http://dx.doi.org/10.1144/gsl.1986.002.01.11.

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AbstractEstablished patterns of soil behaviour are used to illustrate: the divergence between parameters from laboratory and in situ tests; the changes in effective stress caused by sampling; and the influence of initial effective stress, p′0 on the measured strength and deformation parameters for cohesive soils.Current practice in onshore site investigation continues to make use of the unconsolidated undrained triaxial test in which p′0 is not controlled. Variations in p′0 after sampling and subsequent handling are shown to contribute to the scatter in undrained compression strength data.A pl

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Azeem, Muhammad, Muhammad Irfan, Manzar Masud, et al. "Experimental and Numerical Investigation of Effect of Static and Fatigue Loading on Behavior of Different Double Strap Adhesive Joint Configurations in Fiber Metal Laminates." Materials 15, no. 5 (2022): 1840. http://dx.doi.org/10.3390/ma15051840.

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Double strap lap adhesive joints between metal (AA 6061-T6) and composite (carbon/epoxy) laminates were fabricated and characterized based on strength. Hand layup methods were used to fabricate double strap match lap joints and double strap mismatch lap joints. These joints were compared for their strength under static and fatigue loadings. Fracture toughness (GIIC) was measured experimentally using tensile testing and validated with numerical simulations using the cohesive zone model (CZM) in ABAQUS/Standard. Fatigue life under tension–tension fluctuating sinusoidal loading was determined exp

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Tumushime, Mary K., Nancy Ruhode, Melissa Neuman, et al. "Do community-level factors play a role in HIV self-testing uptake, linkage to services and HIV-related outcomes? A mixed methods study of community-led HIV self-testing in rural Zimbabwe." PLOS Global Public Health 5, no. 4 (2025): e0003196. https://doi.org/10.1371/journal.pgph.0003196.

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Community-led interventions, where communities plan and lead implementation, are increasingly being adopted within public health programmes. We explore factors associated with successful community-led distribution of HIV self-test (HIVST) kits to guide future service delivery. Twenty rural communities were supported to distribute HIVST kits for 1-month between January and September 2019. Social science researchers observed communities during planning and HIVST distribution, documenting findings in a standard observation template. Three months post-intervention, a population-based survey measur

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Bisht, Bharti, and Parul Gandhi. "Empirical Validation of Variable Method Interaction Cohesion Metric (VMICM) for Enhancing Reusability of Object-Oriented (O-O) Software." International journal of electrical and computer engineering systems 14, no. 10 (2023): 1097–105. http://dx.doi.org/10.32985/ijeces.14.10.2.

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Any object-oriented (O-O) module's primary goal is to build classes with a high level of coherent interaction between variables and methods. To increase the quality of O-O (Object-Oriented) software, various metrics emphasizing cohesiveness have been established so far. These metrics operate on both the design and the code levels. However, these metrics still fall short of fully measuring the cohesion of object-oriented (O-O) software. Based on several concepts of cohesive interlinkages between variables and procedures, the study proposed an enhanced cohesion metric. The four forms of cohesive

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Wang, Liping, and Ga Zhang. "Pile-Reinforcement Behavior of Cohesive Soil Slopes: Numerical Modeling and Centrifuge Testing." Journal of Applied Mathematics 2013 (2013): 1–15. http://dx.doi.org/10.1155/2013/134124.

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Centrifuge model tests were conducted on pile-reinforced and unreinforced cohesive soil slopes to investigate the fundamental behavior and reinforcement mechanism. A finite element analysis model was established and confirmed to be effective in capturing the primary behavior of pile-reinforced slopes by comparing its predictions with experimental results. Thus, a comprehensive understanding of the stress-deformation response was obtained by combining the numerical and physical simulations. The response of pile-reinforced slope was indicated to be significantly affected by pile spacing, pile lo

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Rahulkumar, P., A. Jagota, S. J. Bennison, and S. Saigal. "Cohesive element modeling of viscoelastic fracture: application to peel testing of polymers." International Journal of Solids and Structures 37, no. 13 (2000): 1873–97. http://dx.doi.org/10.1016/s0020-7683(98)00339-4.

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Lupo, Marco, Diego Barletta, Daniele Sofia, and Massimo Poletto. "Calibration of DEM for Cohesive Particles in the SLS Powder Spreading Process." Processes 9, no. 10 (2021): 1715. http://dx.doi.org/10.3390/pr9101715.

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In this paper, a new DEM calibration procedure based on two different types of procedures to compare simulation with experiments is proposed. The aim is to find the values of the interfacial adhesive surface energy and the coefficient of rolling friction between the particles to be used in the simulation. The approach adopted is the so-called Bulk Calibration method. The experimental values of the angle of repose and unconfined yield strength, found with a static testing method and by shear testing, respectively, are compared, respectively, with the angle of repose, found in a simulation repro

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Ebrahimi, Ali, James M. Tinjum, and Tuncer B. Edil. "Deformational behavior of fouled railway ballast." Canadian Geotechnical Journal 52, no. 3 (2015): 344–55. http://dx.doi.org/10.1139/cgj-2013-0271.

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Plastic strain of railway ballast subjected to various fouling conditions was determined under simulated traffic loading through testing with large-scale cyclic triaxial equipment. Mechanisms by which fouling material affects the plastic strain of railway ballast were investigated. Fouling content (% by weight of particles <12 mm) increased the plastic strain of ballast by contaminating the contact points of ballast particles. Increasing moisture (>3%) resulted in larger accumulation of plastic strain in fouled ballast under traffic loading. Soil-suction tests showed that plastic strain

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KHAN, Muhammad Imran, Muhammad IRFAN, Mubashir AZIZ, and Ammad Hassan KHAN. "GEOTECHNICAL CHARACTERISTICS OF EFFLUENT CONTAMINATED COHESIVE SOILS." Journal of Environmental Engineering and Landscape Management 25, no. 1 (2016): 75–82. http://dx.doi.org/10.3846/16486897.2016.1210155.

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In developing countries like Pakistan, raw industrial effluents are usually disposed-off directly into open lands or in water bodies resulting in soil contamination. Leachate formation due to rainfalls in openly dumped solid waste also adds to soil contamination. In this study, engineering behavior of soils contaminated by two industrial effluents, one from paper industry (acidic) and another from textile industry (basic), has been investigated. Laboratory testing revealed significant effects of effluent contamination on engineering behavior of tested soils. Liquid limit, plasticity index, opt

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Schrader, Peer, Dennis Domladovac, and Stephan Marzi. "Influence of Loading Rate on the Cohesive Traction for Soft, Rubber-like Adhesive Layers Loaded in Modes I and III." Processes 11, no. 2 (2023): 356. http://dx.doi.org/10.3390/pr11020356.

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To date, the fracture behaviour of soft, polyurethane-based adhesive joints has rarely been investigated. This work contributes to the experimental investigation of such joints in modes I and III by performing double cantilever beam (mode I) and out-of-plane loaded double cantilever beam (mode III) tests at various loading rates. The tests were evaluated using a J-integral method, which is well established for testing stiff adhesive layers and is conventionally used to determine the cohesive traction at the crack tip. Additionally, fibre-optics measurements were conducted to provide crack exte

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Yin, Zihan. "Principles of Teaching Cohesion in the English Language Classroom." RELC Journal 49, no. 3 (2017): 290–307. http://dx.doi.org/10.1177/0033688217707628.

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Linking adverbials are important for creating textual cohesion in both written and spoken English. While there are reference grammar books describing the usage patterns of linking adverbials and studies investigating learners’ difficulties in using these cohesive devices, there is little discussion on how to effectively teach and learn them. By testing the adequacy of existing textbooks and drawing on corpus findings of the usage patterns of linking adverbials in English, this article suggests principles to guide the teaching and learning of linking adverbials in the English language classroom

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Tsouvalis, N. G., and K. N. Anyfantis. "Numerical Prediction of the Response of Metal-to-Metal Adhesive Joints with Ductile Adhesives." Applied Mechanics and Materials 24-25 (June 2010): 189–94. http://dx.doi.org/10.4028/www.scientific.net/amm.24-25.189.

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The present work involves a numerical modelling of the Embedded Process Zone (EPZ) by utilizing the elastoplastic Mode I and Mode II fracture models for the simulation of plastically deforming adhesive joints. A traction-separation law was developed separately for Mode I and Mode II. For the analysis of the mixed-mode fracture processes, the cohesive zones in Mode I and Mode II fracture were assumed uncoupled. The experimental programme involved the fabrication and testing of Double Strap Joints (DSJs) and Single Lap Joints (SLJs). By fitting the numerical results to the experimental ones, the

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Thorburn, S. "Field Testing: The Standard Penetration Test." Geological Society, London, Engineering Geology Special Publications 2, no. 1 (1986): 21–26. http://dx.doi.org/10.1144/gsl.1986.002.01.07.

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AbstractThis introductory lecture discusses the international use of the standard penetration test (SPT) and presents the proposals for International Reference Test Procedures. The application of the SPT as a means of assessing the strength and stiffness of weak rocks is mentioned together with the reliance upon the test at the present time for estimating the liquefaction potential of saturated fine grained non-cohesive soils. The various aspects of the execution of the SPT are discussed which can provide variable and unrepresentative values of resistance (N values).The principle of measuring

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Panteleenko, F. I., M. N. Karpets, M. A. Belotserkovsky, and A. V. Sosnovsky. "Determination of Adhesive and Cohesive Strength in Metal Coatings Deposited by Hypersonic Metallization." Science & Technique 20, no. 6 (2021): 459–64. http://dx.doi.org/10.21122/2227-1031-2021-20-6-459-464.

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. It is known that at present, methods of thermal spraying are widely used to restore and strengthen various worn-out machine parts. As a rule, metal coatings applied by thermal spraying have lower strength characteristics than solid materials. It is believed that the strength of coatings is proportional to their adhesive and cohesive strength. The value of adhesive and cohesive strength depends on various factors, including the nature of the materials and the technology of coating. An important factor characterizing the possibility of using metal coatings in various industries is the strength

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Praveen, Kumar Koppanati. "Hybrid Automation Frameworks Using Java and JavaScript for Cross-Language Applications." Journal of Scientific and Engineering Research 8, no. 6 (2021): 206–10. https://doi.org/10.5281/zenodo.13912358.

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The growing complexity of web and mobile applications has necessitated the adoption of hybrid automation frameworks that can seamlessly integrate with both backend and frontend components. With Java being a dominant language for server-side logic and JavaScript leading on the client side, automation frameworks need to support cross-language testing to ensure comprehensive test coverage. This paper discusses hybrid automation frameworks that combine the strengths of Java and JavaScript for end-to-end testing of web and mobile applications. We analyze popular frameworks such as Selenium, Appium,

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Ding, Xiang, Na Chen, Fan Zhang, and Guangqing Zhang. "Evolution of Strength Parameters for Sandstone Specimens during Triaxial Compression Tests." Advances in Civil Engineering 2021 (June 18, 2021): 1–11. http://dx.doi.org/10.1155/2021/8856743.

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Despite the lack of test data of the coefficient of pressure sensitivity α and the shearing cohesion k, the Drucker–Prager criterion is commonly applied for numerical analyses of geotechnical engineering. To bridge the gap between the wide application and insufficient knowledge of strength parameters of the Drucker–Prager criterion, this study presents experimentally calibrated strength parameters of this criterion for the first time. This paper proposes a new method to measure α and k in the Drucker–Prager criterion. The square root of the second invariant of the deviatoric stress tensor J 2

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