Academic literature on the topic 'Triaxial'

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Journal articles on the topic "Triaxial"

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Serna Moreno, María del Carmen, Sergio Horta Muñoz, and Alberto Ruiz Gracia. "Design of Triaxial Tests with Polymer Matrix Composites." Polymers 14, no. 4 (February 21, 2022): 837. http://dx.doi.org/10.3390/polym14040837.

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Multiaxial testing in composites may generate failure modes which are more representative of what occurs in a real structure submitted to complex loading conditions. However, some of its main handicaps include the need for special facilities, the correct design of the experiments, and the challenging interpretation of the results. The framework of this research is based on a triaxial testing machine with six actuators which is able to apply simultaneous and synchronized axial loads in the three space directions. Then, the aim was to design from a numerical point of view a triaxial experiment adapted to this equipment. The methodology proposed could allow for an adequate characterization of the triaxial response of a polymer-based composite with apparent isotropic behaviour in the testing directions. The finite element method (FEM) is applied in order to define the geometry of the triaxial specimen. The design pursues to achieve homogeneous stress and strain states in the triaxially loaded region, which should be accessible for direct measurement of the strains. Moreover, a fixing system is proposed for experimentally reproducing the desired boundary conditions imposed on the numerical simulations. The procedure to determine the full strain tensor in the triaxially loaded region is described analytically and with the help of FEM virtual testing. The hydrostatic component and the deviatoric part of the strain tensor are proposed for estimating the susceptibility of the polymer-based composite to fail due to the triaxial strain state imposed. Then, the loading scenarios that cause higher values of the deviatoric components in the triaxially loaded region are considered to be more prone to damage the region of interest. Nevertheless, the experimental failure is expected to be produced in the arms of the specimen which are uniaxially loaded, since in all of the loading cases the simulations show higher levels of stress concentration out of the triaxially loaded region. Thus, although the triaxial strength could not be accurately determined by the proposed tests, they can be utilized for observing the triaxial response before failure.
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Shahin, G., and R. C. Hurley. "HP-TACO: A high-pressure triaxial compression apparatus for in situ x-ray measurements in geomaterials." Review of Scientific Instruments 93, no. 11 (November 1, 2022): 113907. http://dx.doi.org/10.1063/5.0102931.

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Triaxial compression experiments are commonly used to characterize the elastic and inelastic behavior of geomaterials. In situ measurements of grain kinematics, particle breakage, stresses, and other microscopic phenomena have seldom been made during such experiments, particularly at high pressures relevant to many geologic and man-made processes, limiting our fundamental understanding. To address this issue, we developed a new triaxial compression device called HP-TACO (High-Pressure TriAxial COmpression Apparatus). HP-TACO is a miniaturized, conventional triaxial compression apparatus permitting confining pressures up to 50 MPa and deviatoric straining of materials, while also allowing in situ x-ray measurements of grain-scale kinematics and stresses. Here, we present the design of and first results from HP-TACO during its use in laboratory and synchrotron settings to study grain-scale kinematics and stresses in triaxially compressed sands subjected to 15 and 30 MPa confining pressures. The data highlight the unique capabilities of HP-TACO for studying the high-pressure mechanics of sands, providing new insight into micromechanical processes occurring during geologic and man-made processes.
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Zhang, Shi Yin. "The Studying Fabrication and Application of the Multifunctional Frozen Triaxial Test Apparatus." Applied Mechanics and Materials 353-356 (August 2013): 388–91. http://dx.doi.org/10.4028/www.scientific.net/amm.353-356.388.

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The frozen soil triaxial test apparatus is the basic equipment to study the mechanics property of the frozen soil. According to the norm of frozen soil test and the construction character of the present mine, the high-performance frozen soil triaxial test apparatus is made which could be used for many type tests, such as the static triaxial shear test, the dynamic triaxial test, the triaxial creep test, the routine triaxial strain route test, the routine triaxial proportion coordination test, the routine triaxial recycle load test, the routine triaxial concretion test and so on. The apparatus can realize the high surround pressure. During the test progress, the test parameter can be set up and the test date can be collected by the computer. The frozen soil triaxial test apparatus is a new type triaxial test apparatus.
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Stone, B. M., I. J. Jordaan, J. Xiao, and S. J. Jones. "Experiments on the damage process in ice under compressive states of stress." Journal of Glaciology 43, no. 143 (1997): 11–25. http://dx.doi.org/10.3189/s002214300000277x.

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AbstractDuring ice-structure interaction, ice will fail in a brittle manner dominated by two processes. The first corresponds to the formation of macrocracks and the consequent spalling-off of large ice pieces. The second includes an intense shear-damage process in zones, termed critical zones, where high pressures are transmitted to the structure. The shear-damage process results in microstructural changes including microcrack formation and recrystallization. A range of tests on laboratory-prepared granular ice have been conducted to determine the fundamental behaviour of ice under various stress states and stress history, particularly as it relates to changes in microstructure. The test series was designed to study three aspects: the intrinsic creep properties of intact, undamaged ice; the enhancement of creep and changes in microstructure due to damage; and the effects of different stress paths. Tests on intact ice with triaxial confining pressures and low deviatoric stresses, aimed at defining the intrinsic creep response in the absence of microcracking, showed that an accelerated creep rate occurred at relatively low deviatoric stresses. Hence, a minimum Creep rate occurred under these conditions. Recrystallization to a smaller grain-size and void formation were observed. Ice damaged uniaxially and triaxially prior to testing showed enhancement of creep under both uniaxial and triaxial loading conditions Creep rates in triaxially damaged ice were found to be non-linear with high deviatoric stresses, corresponding to a power-law dependence of creep rate. Uniaxially damaged specimens contained microcracks parallel to the stressed direction which tended to close under triaxial confinement. Damage under triaxial conditions at low confining pressures produced small recrystallized grains near zones of microcracking. At high confining pressures, a fine-grained recrystallized structure with no apparent cracking was observed uniformly across the specimen. The recrystallization process contributes significantly to the enhanced creep rates found in damaged specimens.
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Stone, B. M., I. J. Jordaan, J. Xiao, and S. J. Jones. "Experiments on the damage process in ice under compressive states of stress." Journal of Glaciology 43, no. 143 (1997): 11–25. http://dx.doi.org/10.1017/s002214300000277x.

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AbstractDuring ice-structure interaction, ice will fail in a brittle manner dominated by two processes. The first corresponds to the formation of macrocracks and the consequent spalling-off of large ice pieces. The second includes an intense shear-damage process in zones, termed critical zones, where high pressures are transmitted to the structure. The shear-damage process results in microstructural changes including microcrack formation and recrystallization. A range of tests on laboratory-prepared granular ice have been conducted to determine the fundamental behaviour of ice under various stress states and stress history, particularly as it relates to changes in microstructure. The test series was designed to study three aspects: the intrinsic creep properties of intact, undamaged ice; the enhancement of creep and changes in microstructure due to damage; and the effects of different stress paths. Tests on intact ice with triaxial confining pressures and low deviatoric stresses, aimed at defining the intrinsic creep response in the absence of microcracking, showed that an accelerated creep rate occurred at relatively low deviatoric stresses. Hence, a minimum Creep rate occurred under these conditions. Recrystallization to a smaller grain-size and void formation were observed. Ice damaged uniaxially and triaxially prior to testing showed enhancement of creep under both uniaxial and triaxial loading conditions Creep rates in triaxially damaged ice were found to be non-linear with high deviatoric stresses, corresponding to a power-law dependence of creep rate. Uniaxially damaged specimens contained microcracks parallel to the stressed direction which tended to close under triaxial confinement. Damage under triaxial conditions at low confining pressures produced small recrystallized grains near zones of microcracking. At high confining pressures, a fine-grained recrystallized structure with no apparent cracking was observed uniformly across the specimen. The recrystallization process contributes significantly to the enhanced creep rates found in damaged specimens.
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Hauschild, K., R. Wadsworth, R. M. Clark, I. M. Hibbert, P. Fallon, A. O. Macchiavelli, D. B. Fossan, et al. "Triaxial bands inCe133." Physical Review C 54, no. 2 (August 1, 1996): 613–19. http://dx.doi.org/10.1103/physrevc.54.613.

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Andreghetto, Dionatas, Lucas Festugato, Gustavo Miguel, and Andressa Silva. "Automated true triaxial apparatus development for soil mechanics investigation." Soils and Rocks 45, no. 2 (April 19, 2022): 1–10. http://dx.doi.org/10.28927/sr.2022.077321.

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Soil mechanical fully understanding requires considering a three dimensional approach, including soil response under the second principal stress and its potential anisotropy. In order to achieve such soil mechanical understanding, a true triaxial apparatus might be used. Therefore, in the present research an automated true triaxial apparatus was developed comprising its cubical cell, data acquisition and stress control systems. The manufactured apparatus was validated by means a laboratory test campaign where true triaxial test responses were compared to standard drained triaxial tests. True triaxial and standard drained triaxial tests were carried out on both naturally and artificially cemented soils. Results were gathered and compared. A soil mechanical compatibility was observed when test results of the newest true triaxial equipment were compared to test results obtained from a well validated standard triaxial apparatus. Thereby, the present paper reports an affordable successful true triaxial apparatus development demonstrating its efficiency for regular soil mechanical tests. Finally, a full stress rosette was established for a uniform fine sand where some small anisotropy was detected.
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Yang, Sheng-Qi. "Strength and deformation behavior of red sandstone under multi-stage triaxial compression." Canadian Geotechnical Journal 49, no. 6 (June 2012): 694–709. http://dx.doi.org/10.1139/t2012-035.

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Based on multi-stage triaxial experimental results of red sandstone with circumferential deformation control, the influence of confining pressure on strength and deformation behavior of red sandstone under multi-stage triaxial compression is investigated. The results show that the confining pressure has an obvious effect on the deformation parameters of red sandstone under multi-stage triaxial compression. A multi-stage triaxial compression experiment with only one specimen can be used to confirm the peak strength of rock under different confining pressures. Under single-stage and multi-stage triaxial compression, the peak strength behavior of red sandstone agrees better with the nonlinear Hoek–Brown criterion than the linear Mohr–Coulomb criterion. However, the difference between single-stage and multi-stage triaxial strength changes with different post-peak deformation values, and the reason for the difference, is discussed. To predict single-stage triaxial strength using the obtained multi-stage triaxial strength with only one specimen, a new method is put forward to revise multi-stage triaxial strength of red sandstone, which testifies to being reasonable. The concluding remarks are very useful and significant for deep geotechnical and underground structural engineering.
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Hossain, Sayeed, Chris Truman, David Smith, and Mark Daymond. "OS12W0072 Creating highly triaxial stresses in stainless steel." Abstracts of ATEM : International Conference on Advanced Technology in Experimental Mechanics : Asian Conference on Experimental Mechanics 2003.2 (2003): _OS12W0072. http://dx.doi.org/10.1299/jsmeatem.2003.2._os12w0072.

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Li, Rong Jian, Xi An Li, Gao Feng Che, Wen Zheng, and Wen Jun Chen. "A Simple and Practicable Approach on Implementing for the Reduced Triaxial Extension by the Conventional Triaxial Apparatus." Advanced Materials Research 250-253 (May 2011): 2089–92. http://dx.doi.org/10.4028/www.scientific.net/amr.250-253.2089.

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Stress path is one of the very important factors of soil strength. It is significant to study the strength and reveal the importance of the impact of sand in different stress path conditions. Firstly, an ameliorating approach on implementing for the reduced triaxial extension by the conventional triaxial apparatus was discussed. Then, In order to study shear behaviors of the eolian sand under different stress path, two monotonic shearing tests with the conventional triaxial compression and the reduced triaxial extension stress path were performed and analyzed. The test results not only indicate that the amelioration on conventional triaxial apparatus is simple, practicable and inexpensive, but also reveal the difference of strength’s parameter between the reduced triaxial extension and conventional triaxial compression stress path. In sum, the stress path has important effect on the strength of the eolian sand.
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Dissertations / Theses on the topic "Triaxial"

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Reid, Richard A. "Triaxial permeability device." Thesis, Georgia Institute of Technology, 1987. http://hdl.handle.net/1853/20036.

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Bonamigo, Mario. "Triaxial galaxy clusters." Thesis, Aix-Marseille, 2016. http://www.theses.fr/2016AIXM4717/document.

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Il est bien établit théoriquement et observationnellement que les amas de galaxies ne sont pas des objets sphèriques, et qu'ils sont beaucoup mieux décrits par la géométrie triaxiale. Malgré cela, les travaux sur la forme tri-dimensionnelle des amas de galaxies sont encore trés rares. L'objet de cette thèse est de contribuer à cette problématique naissante. L'originalité de ce travail est d'aborder ce sujet théoriquement et observationnellement. J'ai mesuré la forme d'amas de galaxies simulés, proposant des prédictions sur la forme des haloes de matière noire. J'ai ensuite développé un algorithme qui se propose de combiner des données en lentilles gravitationnelles et en rayons X afin de contraindre un modèle de haloe triaxial. L'algorithme est testé sur des données simulées. Finalement, je présente l'analyse en rayons X de Abell 1703, qui, combinée avec l'analyse en lentilles gravitationnelles, permettra de déterminer la forme de Abell 1703
It is well established both theoretically and observationally that galaxy clusters are not spherical objects and that they are much better approximated as triaxial objects. This thesis focusses on the three dimencional shape of galaxy clusters. The originality of my approach is to tackle the problem both theoretically and observationally. First, I have measured the shape of dark matter haloes in the Millenium XXL and Sbarbine simulations, providing predictions for dark matter halo shape over 5 order in magnitude in mass. Then, I have developed an algorithm aimed at fitting simultaneously lensing and X-ray data in order to constrain a triaxial mass distribution. The algorithm is tested and characterized on mock data sets. It is found to be able to recover the input parameters. Finally, I present the X-ray analysis of galaxy cluster Abell 1703, which will be combined with the existing lensing analysis in order to investigate its shape
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El-Hage, Hassan M. "Digital triaxial testing system: Implementation of the digital triaxial testing system." Thesis, University of Ottawa (Canada), 1986. http://hdl.handle.net/10393/10673.

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MORIKAWA, SERGIO RICARDO KOKAY. "TRIAXIAL BRAGG GRATING ACCELEROMETER." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2004. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=5413@1.

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AGÊNCIA NACIONAL DE PETRÓLEO
TRANSMISSÃO DE ENERGIA ELÉTRICA S.A
Desde o final da década de 80 a indústria de fibras óticas têm passado por avanços consideráveis. Através de técnicas controladas, as fibras ópticas podem gerar sinais associados a uma vasta gama de grandezas físicas funcionando como sensores denominados de Sensores a Fibra Óptica (SFO s). Diversas técnicas podem ser empregadas para tal, e entre as existentes a baseada em redes de Bragg é a que mais tem se destacado. O interesse por transdutores empregando esta técnica se justifica pelas vantagens proporcionadas pelo uso da luz, tais como sua capacidade de multiplexação, boa relação sinal/ruído, medições a longas distâncias, imunidade a campos eletromagnéticos, ausência de faísca, entre outras. Neste trabalho buscou-se desenvolver um transdutor e uma técnica de medição baseada em sensores a rede de Bragg para medição de vibrações mecânicas. Um acelerômetro óptico triaxial é projetado e construído. Diferentes modelos foram testados em busca das características de desempenho desejadas. Simulações numéricas empregando o método dos elementos finitos auxiliaram na decisão por melhores desenhos para o transdutor. Resultados de testes experimentais e calibrações empregando um sistema de aquisição de sinais desenvolvido são mostrados. Medições de longa duração para avaliação de estabilidade do sistema e efeitos de temperatura também são apresentados.
Since the end of the 1980s, the fiber optics industry has experienced considerable advances. Through a number of controlled techniques, fiber optics can generate signals associated with a vast array of physical measures, working as sensors denominated Optical Fiber Sensors (OFS s). Many different techniques can be employed to achieve this objective. Among these, the one based on Bragg networks has received the greatest amount of attention. The interest in transducers employing this technique is justified by the advantages of using light, such as its multiplexing capability, good signal-to-noise ratio, possibility of long distance measurements, immunity to electromagnetic fields, and absence of sparks. In the present work, a transducer and measurement technique based on Bragg network sensors vibration are developed, in order to measure mechanical vibrations. A triaxial optical accelerometer is designed and built. Different models are tested in the search for the desired performance characteristics. Numerical simulations employing the finite element method help the decision making process for better transducer designs. Results from experimental and calibration tests using a newly developed signal acquisition system are presented. Long duration measurements to evaluate system stability and temperature effects are also shown.
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Frauendorf, Stefan, and J. Meng. "Tilted Rotation of Triaxial Nuclei." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-31369.

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The Tilted Axis Crankiug theory is applied to the model of two particles coupled to a triaxial rotor. Cornparirig with the exact quantal solutions, the interpretation and quality of the mean field approximations studied. Conditions are discussed when the axis of rotation lies inside or outside of the principal planes of the triaxial density distribution. The planar solutions represent ∆ I = 1 bands, whereas the aplanar solutions represent pairs of identical ∆ I = 1 bands with the same parity. The two bands differ by the chirality of the principal axes with respect to the angular momentum vector. The transition from planar to chiral solutions is evident in both the quantal and the mean field calculations. Its physical origin is discussed.
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Frauendorf, Stefan, M. Brack, and S. M. Reimann. "Triaxial shapes of sodium clusters." Forschungszentrum Dresden, 2010. http://nbn-resolving.de/urn:nbn:de:bsz:d120-qucosa-32199.

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Frauendorf, Stefan, and J. Meng. "Tilted Rotation of Triaxial Nuclei." Forschungszentrum Rossendorf, 1996. https://hzdr.qucosa.de/id/qucosa%3A21963.

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The Tilted Axis Crankiug theory is applied to the model of two particles coupled to a triaxial rotor. Cornparirig with the exact quantal solutions, the interpretation and quality of the mean field approximations studied. Conditions are discussed when the axis of rotation lies inside or outside of the principal planes of the triaxial density distribution. The planar solutions represent ∆ I = 1 bands, whereas the aplanar solutions represent pairs of identical ∆ I = 1 bands with the same parity. The two bands differ by the chirality of the principal axes with respect to the angular momentum vector. The transition from planar to chiral solutions is evident in both the quantal and the mean field calculations. Its physical origin is discussed.
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Frauendorf, Stefan, M. Brack, and S. M. Reimann. "Triaxial shapes of sodium clusters." Forschungszentrum Rossendorf, 1995. https://hzdr.qucosa.de/id/qucosa%3A22046.

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Ourives, Licínia. "Ensaio triaxial cíclico em agregados." Master's thesis, Universidade de Évora, 2012. http://hdl.handle.net/10174/14864.

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Este trabalho teve como principal objetivo o estudo de um equipamento para realização do ensaio triaxial cíclico. Trata-se de um ensaio que ainda não é realizado por empresas privadas, muito embora sobre ele se tenham desenvolvido alguns trabalhos iniciais ao nível da investigação. Neste trabalho pretende-se entender o funcionamento, limitações e capacidades do equipamento para, posteriormente realizar o ensaio de modo sistemático. Pôr a funcionar um equipamento totalmente desconhecido não foi tarefa fácil. Estudou-se o seu funcionamento e, pela realização de múltiplos testes, foi possível detetar a existência de falhas do equipamento que foram devidamente comunicadas ao fabricante, de modo a possibilitar a sua correção. Do mesmo modo, pela realização de pequenos ensaios, percebeu-se que seria melhor construir peças novas, mais funcionais, para tornar o equipamento mais eficaz. Tratando-se de um estágio, foi-me permitido ter um contacto muito próximo com o funcionamento de um laboratório, executando ensaios de caracterização de solos e agregados, a par da dedicação ao triaxial cíclico; ABSTRACT: The main objective of this work is to study the behavior of an equipment for triaxial cyclic tests. This essay is not yet implemented by private companies, although they have developed some initial research work. The study seeks to understand the functioning, limitations and capabilities of the equipment to later systematic perform the test. Operate totally an unknown equipment is not an easy task. By studying its functioning and carrying out multiple tests, it was possible to detect the existence of equipment failures that were communicated to the manufacturer, allowing their correction. Similarly, performing small trials, it was realized that it would be better to make more functional new components, to make the device more efficient. The internship allowed having close contact with the laboratory operations by running soil and aggregates characterization tests, simultaneously the realization of triaxial cyclic essay.
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LaVielle, Todd Hunter. "Liquefaction Susceptibility of Uncemented Calcareous Sands From Puerto Rico by Cyclic Triaxial Testing." Thesis, Virginia Tech, 2008. http://hdl.handle.net/10919/33044.

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Laboratory tests were performed to investigate the liquefaction susceptibility of uncemented calcareous sands. A series of isotropically consolidated undrained monotonic and cyclic triaxial tests were performed using the Playa Santa sand from Porto Rico. Playa Santa sand is a poorly graded calcareous clean beach sand composed of angular particles with large intra-granular voids. A series of consolidated undrained triaxial tests were performed with the Playa Santa sand remolded to a variety of relative densities and consolidated under a range of confining pressures. In addition, cyclic triaxial tests were performed at a confining pressure of 100 kPa and three sets of relative densities (20%, 40% and 60%). Generation of excess pore pressure under different levels of cyclic loading was established. As a result, relationships were developed to relate the number of cycles required for triggering of liquefaction to cyclic stress ratio. It was seen that the Playa Santa sand was less susceptible liquefaction than quartzitic sands of the same relative density remolded and tested under similar conditions.
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Books on the topic "Triaxial"

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Lade, P. Triaxial testing of soils. Hoboken: John Wiley & Sons Inc., 2016.

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Lade, Poul V. Triaxial Testing of Soils. Chichester, UK: John Wiley & Sons, Ltd, 2016. http://dx.doi.org/10.1002/9781119106616.

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National Council on Education for the Ceramic Arts (U.S.). Conference. Triaxial blend: Art, industry, technology. [Rochester, N.Y: NCECA, 1996.

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M, Kwaśniewski, Li Xiaochun 1964-, and Takahashi Manabu 1955-, eds. True triaxial testing of rocks. Boca Raton, FL: CRC Press/Balkema, 2012.

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Donaghe, RT, RC Chaney, and ML Silver, eds. Advanced Triaxial Testing of Soil and Rock. 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959: ASTM International, 1988. http://dx.doi.org/10.1520/stp977-eb.

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Verolme, Elizabeth Kornelia. Dynamical models of axisymmetric and triaxial stellar systems. Leiden: Universiteit Leiden, 2003.

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Thomas, John E. Space acceleration measurement system triaxial sensor head error budget. [Washington, DC]: National Aeronautics and Space Administration, 1992.

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Lang-Harris, Elizabeth. Hex weave & mad weave: An introduction to triaxial weaving. Atglen, PA: Schiffer Pub. Limited, 2014.

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Watts, G. J. Three-dimensional model for metal flow under triaxial strain conditions. Luxembourg: Commission of the European Communities, 1986.

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Lade, P. Cyclic triaxial tests of the Bootlegger Cove Formation, Anchorage, Alaska. Washington, DC: Dept. of the Interior, 1988.

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Book chapters on the topic "Triaxial"

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Verruijt, Arnold. "Triaxial Test." In An Introduction to Soil Mechanics, 173–80. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-61185-3_21.

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Gooch, Jan W. "Triaxial Braid." In Encyclopedic Dictionary of Polymers, 761. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12072.

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Gooch, Jan W. "Triaxial Fabrics." In Encyclopedic Dictionary of Polymers, 761. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12074.

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Gooch, Jan W. "Triaxial Weaving." In Encyclopedic Dictionary of Polymers, 762. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12075.

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Molenda, Marek. "Triaxial Compression Test." In Encyclopedia of Agrophysics, 924–25. Dordrecht: Springer Netherlands, 2011. http://dx.doi.org/10.1007/978-90-481-3585-1_177.

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Townsend, Bruce. "Symmetric Triaxial Seismometers." In Encyclopedia of Earthquake Engineering, 1–19. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-36197-5_194-1.

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Gooch, Jan W. "Triaxial-Braid Performing." In Encyclopedic Dictionary of Polymers, 761. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_12073.

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Townsend, Bruce. "Symmetric Triaxial Seismometers." In Encyclopedia of Earthquake Engineering, 3714–32. Berlin, Heidelberg: Springer Berlin Heidelberg, 2015. http://dx.doi.org/10.1007/978-3-642-35344-4_194.

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Nakayama, Eiki, Ichizo Kobayashi, Atsushi Iizuka, Moriyuki Taya, and Hideki Ohta. "Development of a Portable Triaxial Testing Apparatus—Smart Triaxial." In Geotechnical Predictions and Practice in Dealing with Geohazards, 353–73. Dordrecht: Springer Netherlands, 2013. http://dx.doi.org/10.1007/978-94-007-5675-5_22.

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Schaffner, Kenneth F. "Competency: A Triaxial Concept." In Philosophy and Medicine, 253–81. Dordrecht: Springer Netherlands, 1991. http://dx.doi.org/10.1007/978-94-011-3614-3_15.

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Conference papers on the topic "Triaxial"

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Wang, Gong Li, Aria Abubakar, and David Allen. "Triaxial induction tool response in dipping and triaxially anisotropic formations." In SEG Technical Program Expanded Abstracts 2018. Society of Exploration Geophysicists, 2018. http://dx.doi.org/10.1190/segam2018-2997859.1.

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Pasour, John, David Smithe, and Moshe Friedman. "The Triaxial Klystron." In High energy density microwaves. AIP, 1999. http://dx.doi.org/10.1063/1.59025.

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LUO, Y. X., J. H. HAMILTON, A. V. RAMAYA, J. K. HWANG, S. H. LIU, J. O. RASMUSSEN, S. FRAUENDORF, et al. "TRIAXIAL AND TRIAXIAL SOFTNESS IN NEUTRON RICH Ru AND Pd NUCLEI." In Proceedings of the International Symposium. WORLD SCIENTIFIC, 2013. http://dx.doi.org/10.1142/9789814508865_0030.

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Minaeian, V., D. Dewhurst, and V. Rasouli. "Triaxial and True Triaxial Testing of Preserved and Partially Saturated Shale." In Fifth EAGE Shale Workshop. Netherlands: EAGE Publications BV, 2016. http://dx.doi.org/10.3997/2214-4609.201600419.

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Pasour, John. "X-Band Triaxial Klystron." In HIGH ENERGY DENSITY AND HIGH POWER RF: 6th Workshop on High Energy Density and High Power RF. AIP, 2003. http://dx.doi.org/10.1063/1.1635115.

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Qi, Wenjie, Chao Xu, Bowen Liu, Xichen Zheng, Tian Liang, Xu She, Jian Chen, Junbo Wang, and Deyong Chen. "MEMS Based Triaxial Electrochemical Seismometer." In 2020 IEEE 15th International Conference on Nano/Micro Engineered and Molecular System (NEMS). IEEE, 2020. http://dx.doi.org/10.1109/nems50311.2020.9265585.

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Ruan, D., G. Lu, and B. Wang. "Triaxial Failure of Aluminium Foams." In ASME 2003 International Mechanical Engineering Congress and Exposition. ASMEDC, 2003. http://dx.doi.org/10.1115/imece2003-55493.

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Abstract:
Aluminium foam is a type of cellular materials and offers potential for lightweight structures and energy absorbers in automotive and aerospace industries. They may be subject to multiaxial loads in these applications and it is essential to have a failure criterion in terms of the stresses which cause yield. Three criteria have been proposed so far. Gibson and Ashby deduced a yield surface by using dimentional arguments for ideal, isotropic, homogenous foams. Miller’s yield surface was based on the model of Drucker and Prager, which was originally proposed as a model for soil. It incorporated a linear and quadratic dependence on the pressure. Deshpande and Fleck modified the yield criterion of solid metals to account for the effect of porosity on the yield criterion for a metallic foam. In this paper, triaxial tests of CYMAT aluminium foams were conducted by using MTS (Mechanical Test System) with a Hoek Cell to investigate their yield surfaces experimentally. Five types of aluminium foams with nominal relative densities. of 5%, 10%, 15%, 17% and 20% were tested for a range of axisymmetric compressive stress states. Experimental results were compared with three theoretical criteria. Triaxial tests at various strain rates (from 10−4 to 10+1 s−1) were also performed in this paper to investigate the influence of strain rate on the yield surface.
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Adachi, Kazuhisa, Hideo Sugane, Kei Siohara, Hiroki Onishi, Tatsuhisa Nakanishi, Tasuku Kitamura, Nobuhiro Mido, et al. "Development of superconducting triaxial cable." In 2018 12th International Conference on the Properties and Applications of Dielectric Materials (ICPADM). IEEE, 2018. http://dx.doi.org/10.1109/icpadm.2018.8401191.

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Budhu, Muniram. "A Virtual Triaxial Test Courseware." In Geo-Denver 2000. Reston, VA: American Society of Civil Engineers, 2000. http://dx.doi.org/10.1061/40522(297)6.

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Kastor, R. L. "Triaxial Casing Design for Burst." In IADC/SPE Drilling Conference. Society of Petroleum Engineers, 1986. http://dx.doi.org/10.2118/14727-ms.

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Reports on the topic "Triaxial"

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Kerr, James D., and David W. McClung. Low Noise Borehole Triaxial Seismometer Phase II. Office of Scientific and Technical Information (OSTI), November 2006. http://dx.doi.org/10.2172/894603.

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N. E. Kramer. TRIAXIAL AND SHEAR TESTING OF SELECTED BACKFILL MATERIALS. Office of Scientific and Technical Information (OSTI), August 2000. http://dx.doi.org/10.2172/891094.

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Karakouzian, M., and N. Hudyma. Mechanical properties of tuffaceous rocks under triaxial conditions. Office of Scientific and Technical Information (OSTI), December 1994. http://dx.doi.org/10.2172/94002.

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Moran, K., and H. Christian. Triaxial shear strength testing facility for the western Atlantic. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1985. http://dx.doi.org/10.4095/120135.

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Fish, Anatoly M. Creep and Strength of Frozen Soil Under Triaxial Compression. Fort Belvoir, VA: Defense Technical Information Center, December 1994. http://dx.doi.org/10.21236/ada302885.

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Lade, P. V., R. G. Updike, and D. A. Cole. Cyclic triaxial tests of the Bootlegger Cove formation, Anchorage, Alaska. Alaska Division of Geological & Geophysical Surveys, 1985. http://dx.doi.org/10.14509/1123.

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Gilbert, D., and J. J. Periou. Institut du physique du globe / Thomson-Sintra Triaxial fluxgate variometer. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1988. http://dx.doi.org/10.4095/226570.

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Cain, P., C. M. K. Yuen, G. LeBel, A. Crawford, and D. Lau. Triaxial testing of brittle sandstone using a multiple failure state method. Natural Resources Canada/ESS/Scientific and Technical Publishing Services, 1986. http://dx.doi.org/10.4095/304946.

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Bradfield, B. Assessment of the flowability of a crushed coal by triaxial testing. Office of Scientific and Technical Information (OSTI), February 1990. http://dx.doi.org/10.2172/7129455.

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Macon, David James, Rebecca Moss Brannon, and Otto Eric Strack. Plastic cap evolution law derived from induced transverse isotropy in dilatational triaxial compression. Office of Scientific and Technical Information (OSTI), February 2014. http://dx.doi.org/10.2172/1124619.

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