Academic literature on the topic 'Resonant column apparatu'

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Journal articles on the topic "Resonant column apparatu"

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Singh, Gurbax, and Erlend H. Graf. "Redesigned Air-Column Resonance Apparatus." Physics Teacher 41, no. 2 (2003): 120–21. http://dx.doi.org/10.1119/1.1542052.

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Avramidis, Anestis S., and Surendra K. Saxena. "The Modified “Stiffened” Drnevich Resonant Column Apparatus." Soils and Foundations 30, no. 3 (1990): 53–68. http://dx.doi.org/10.3208/sandf1972.30.3_53.

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Drnevich, VP, C. Heiniger, and JA Studer. "Resonant-Column Apparatus for Coarse-Grained Materials." Geotechnical Testing Journal 8, no. 3 (1985): 132. http://dx.doi.org/10.1520/gtj10524j.

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Garzon-Sabogal, K., C. Middendorf, J. V. Sinfield, M. Velay-Lizancos, and M. Santagata. "Stiffness and Damping of Non-Homogeneous Engineered Particles." IOP Conference Series: Earth and Environmental Science 1480, no. 1 (2025): 012021. https://doi.org/10.1088/1755-1315/1480/1/012021.

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Abstract This paper presents the dynamic properties of a novel granular material composed of glass bead cores covered by a soft silicone shell. Shear modulus (G) and damping ratio (D) at very small shear strains (< 2E-5 %) were measured in a resonant column apparatus applying low amplitude random torsional vibrations drawing on advances in resonant column theory for making use of off-resonance data. Relative to the clean beads, the engineered particles exhibit lower Gmax , higher D0 and greater stress level sensitivity of Gmax. The impact on both parameters is greater at small confining str
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Lin, Wei-Chun, and Chi-Chin Tsai. "Correction of Young’s Modulus Calculation in the Flexural Mode of Resonant Column Test." Applied Sciences 10, no. 19 (2020): 6675. http://dx.doi.org/10.3390/app10196675.

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The resonant column test includes torsional and flexural modes that can be used to obtain reduction curves for the shear modulus and Young’s modulus of the soil, respectively. When the resonant column test is performed under flexural mode, Young’s modulus is calculated mainly using the measured resonant frequency following the formula proposed by Cascante et al. However, this formula does not consider the rotational inertia effect of the electromagnetic drive disk of the resonant column apparatus and thus may inaccurately calculate Young’s modulus. In this study, the formula was modified by co
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Rieman, Luke, Róisín Buckley, and Simon Wheeler. "Calibration and limitations of a fixed-partly fixed resonant column apparatus." E3S Web of Conferences 544 (2024): 01024. http://dx.doi.org/10.1051/e3sconf/202454401024.

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The small-strain shear modulus of soils and rocks is an important input parameter in geotechnical analyses. Its estimation using the resonant column apparatus relies on accurate knowledge of the rotational inertia of the apparatus’s active end. Due to the complex geometry of the active end, its inertia is typically found from a calibration exercise. In this study a range of aluminium calibration bars and steel masses were used to compare two different calibration exercises presented in the literature. The resulting values of active end inertia are shown to be highly method-dependent. The metho
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Clayton, C. R. I., J. A. Priest, M. Bui, A. Zervos, and S. G. Kim. "The Stokoe resonant column apparatus: effects of stiffness, mass and specimen fixity." Géotechnique 59, no. 5 (2009): 429–37. http://dx.doi.org/10.1680/geot.2007.00096.

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Wang, Mingyuan, Yong Wang, Miaojun Sun, Yanli Wang, and Jizhu Sun. "Development and Preliminary Application of Resonant Column-Bending Elements Combined Testing Apparatus." IOP Conference Series: Earth and Environmental Science 189 (November 6, 2018): 022084. http://dx.doi.org/10.1088/1755-1315/189/2/022084.

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Kumar, Jyant, and B. N. Madhusudhan. "On determining the elastic modulus of a cylindrical sample subjected to flexural excitation in a resonant column apparatus." Canadian Geotechnical Journal 47, no. 11 (2010): 1288–98. http://dx.doi.org/10.1139/t10-027.

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For resonant column tests conducted in the flexure mode of excitation, a new methodology has been proposed to find the elastic modulus and associated axial strain of a cylindrical sample. The proposed method is an improvement over the existing one, and it does not require the assumption of either the mode shape or zero bending moment condition at the top of the sample. A stepwise procedure is given to perform the necessary calculations. From a number of resonant column experiments on aluminum bars and dry sand samples, it has been observed that the present method as compared with the one avail
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Pincus, HJ, AK Ashmawy, and VP Drnevich. "A General Dynamic Model for the Resonant Column/Quasi-Static Torsional Shear Apparatus." Geotechnical Testing Journal 17, no. 3 (1994): 337. http://dx.doi.org/10.1520/gtj10108j.

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Dissertations / Theses on the topic "Resonant column apparatu"

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PERINO, ANDREA. "Wave propagation through discontinuous media in rock engineering." Doctoral thesis, Politecnico di Torino, 2011. http://hdl.handle.net/11583/2501965.

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The analysis of wave propagation in jointed rock masses is of interest for solving problems in geophysics, rock protective engineering, rock dynamics and earthquake engineering. At present, more than in the past, analyses of underground structures in seismic conditions need be considered. The aim of the present thesis is to contribute to the understanding of wave propagation in rock masses and of its influence on the stability of underground structures. The research is focused first on the analysis of the phenomenon through analytical, numerical and experimental methods. Then, static and dyna
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Porovic, Esad. "Investigations of soil behaviour using a resonant-column torsional-shear hollow-cylinder apparatus." Thesis, Imperial College London, 1995. http://hdl.handle.net/10044/1/8120.

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Lin, Y. J., and 林育正. "THE STUDY OF USING MODIFIED VERTICAL/TORSIONAL RESONANT COLUMN APPARATUS IN DETERMINING SOIL PROPERTIES." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/20169405953299970646.

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Books on the topic "Resonant column apparatu"

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Porovic, Esad. Investigations of soil behaviour using a resonant-column torsional-shear hollow-cylinder apparatus. 1995.

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Book chapters on the topic "Resonant column apparatu"

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Shinde, Ninad Sanjeev, and Jyant Kumar. "Calibration Exercise of Fixed-Free Resonant Column Apparatus." In Lecture Notes in Civil Engineering. Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4001-5_4.

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Dubey, Parikshit, Gautam, Ankita Mazumdar, and Debjit Bhowmik. "Dynamic Behaviour Analysis of Barak River Sand Using Resonant Column Apparatus." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-6988-9_8.

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Camacho-Tauta J., Santos J.A., and Viana da Fonseca A. "Control, acquisition and analysis of resonant-column testing using an automated program." In Deformation Characteristics of Geomaterials. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-822-9-250.

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A Resonant-Column apparatus was modified by replacing the internal generator by an arbitrary function generator. A PC oscilloscope was used to acquire both the input current in coils and the vibration response of the system. Software developed in LabVIEW® controls the equipment, acquires data and then processes the information, computing the shear modulus and damping ratio of soil. This calculation is performed utilizing a curve fitting method involving a complex-value function carried out by a Matlab® script included in the software. Four types of tests can be performed in the
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Ivšić T., Vrkljan I., Zlatović S., and Mavar R. "Dynamic testing of marine sediments at the Pelješac bridge site." In Proceedings of the 17th International Conference on Soil Mechanics and Geotechnical Engineering. IOS Press, 2009. https://doi.org/10.3233/978-1-60750-031-5-344.

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The complex geotechnical investigations were performed at the location of the long bridge at the south Adriatic. The sea depth at the location is 27 to 28m. Marine sediments, deposited in horizontal layers, are very soft to soft high plasticity clay with silt, from the sea bottom to the depth of 60m where overconsolidated clay with fragments of lime and shells was found. The depth of base lime rock varies along the bridge from the surface at the coasts to 100m under the sea bottom. Seismicity of the location is significant. Comprehensive dynamic testing was performed in order to establish the
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Sultaniya A.K., Priest J.A., and Clayton C.R.I. "The effect of hydrate dissociation on pore pressure generation." In Deformation Characteristics of Geomaterials. IOS Press, 2011. https://doi.org/10.3233/978-1-60750-822-9-892.

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The move towards deep-ocean oil exploration, and the widespread occurrence of gas hydrates in these deep marine deposits, has led to concerns about the potential risks to oil production infrastructure during the possible dissociation of the hydrate, should thermobaric conditions in the sediment change. When oil is pumped from deeper (and hotter) oil bearing strata through riser pipes, the temperature of the ground can be significantly increased, perhaps leading to gas hydrate dissociation and instability of the ground. To that end, dissociation tests have been carried out at the University of
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Conference papers on the topic "Resonant column apparatu"

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Vulpe, C. "Upgrading a resonant column apparatus to reliably measure specimen void ratio." In 7th International Conference on Geotechnical and Geophysical Site Characterization. CIMNE, 2024. http://dx.doi.org/10.23967/isc.2024.022.

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Bhave, Pali, and B. K. Maheshwari. "Effect of Saturation on Dynamic Soil Properties in Low Strain Range Using Resonant Column Apparatus." In The 3rd World Congress on Civil, Structural, and Environmental Engineering. Avestia Publishing, 2018. http://dx.doi.org/10.11159/icgre18.144.

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Geisberger, Aaron A., Amir Khajepour, and M. Farid Golnaraghi. "Nonlinear Modeling and Experimental Verification of a MDOF Hydraulic Engine Mount." In ASME 2000 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2000. http://dx.doi.org/10.1115/imece2000-1770.

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Abstract This paper has made several contributions to hydraulic mount modeling. A continuous nonlinear decoupler model is developed to capture the amplitude dependent behavior of a typical hydraulic mount over low and high frequency ranges. The decoupler model also demonstrates decoupler resonance, which degrades high frequency characteristics of a generic hydraulic mount. In addition, this paper is the first to introduce a lumped parameter MDOF (Multi Degree Of Freedom) fluid column system that is shown to improve high frequency characteristics. Model parameters are identified by isolating co
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Sas, Wojciech, Andrzej Głuchowski, Katarzyna Gabryś, Emil Soból, and Alojzy Szymański. "Studies on Cyclic and Dynamic Loading on Cohesive Soil in Road Engineering." In The 13th Baltic Sea Region Geotechnical Conference. Vilnius Gediminas Technical University, 2016. http://dx.doi.org/10.3846/13bsgc.2016.009.

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Soil investigations concerning cyclic and dynamic loading differ from static analysis. The Problem with the abovementioned loads becomes more important, when cohesive soils are taken into consideration. There are plenty of scientific reports containing the analyses of non-cohesive soil behaviour, yet there is still a lack of similar studies on cohesive soils. Repeated loading and dynamic excitations differ between themselves and parameters which are used to describe those phenomena are not congruent. Road constructors seek new approaches to design methods, which would take into account more ty
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