Academic literature on the topic 'Bender element'
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Journal articles on the topic "Bender element"
Leong, E. C., J. Cahyadi, and H. Rahardjo. "Measuring shear and compression wave velocities of soil using bender–extender elements." Canadian Geotechnical Journal 46, no. 7 (July 2009): 792–812. http://dx.doi.org/10.1139/t09-026.
Full textBlewett, J., I. J. Blewett, and P. K. Woodward. "Phase and amplitude responses associated with the measurement of shear-wave velocity in sand by bender elements." Canadian Geotechnical Journal 37, no. 6 (December 1, 2000): 1348–57. http://dx.doi.org/10.1139/t00-047.
Full textViggiani, Giulia, and J. H. Atkinson. "Interpretation of bender element tests." Géotechnique 45, no. 1 (March 1995): 149–54. http://dx.doi.org/10.1680/geot.1995.45.1.149.
Full textChaney, RC, KR Demars, R. Arulnathan, RW Boulanger, and MF Riemer. "Analysis of Bender Element Tests." Geotechnical Testing Journal 21, no. 2 (1998): 120. http://dx.doi.org/10.1520/gtj10750j.
Full textLu, Wei, Yu Lan, and Tianfang Zhou. "Finite element analysis of double resonance bender disk low frequency transducer." MATEC Web of Conferences 283 (2019): 05008. http://dx.doi.org/10.1051/matecconf/201928305008.
Full textZhao, Zhiwei, Jinqiu Wu, Xiaofei Qi, Gang Qiao, Wenbo Zhang, Chaofan Zhang, and Kang Guo. "Design of a Broadband Cavity Baffle Bender Transducer." Journal of Marine Science and Engineering 10, no. 5 (May 16, 2022): 680. http://dx.doi.org/10.3390/jmse10050680.
Full textSantamarina, J. C., and M. A. Fam. "Discussion: Interpretation of bender element tests." Géotechnique 47, no. 4 (September 1997): 873–77. http://dx.doi.org/10.1680/geot.1997.47.4.873.
Full textBONAL, J., S. DONOHUE, and C. McNALLY. "Wavelet analysis of bender element signals." Géotechnique 62, no. 3 (March 2012): 243–52. http://dx.doi.org/10.1680/geot.9.p.052.
Full textPiriyakul, Keeratikan, and Janjit Iamchaturapatr. "Horizontally Mounted Bender Elements for Measuring Shear Modulus in Soaked Sand Specimen." Advanced Materials Research 931-932 (May 2014): 496–500. http://dx.doi.org/10.4028/www.scientific.net/amr.931-932.496.
Full textPiriyakul, Keeratikan. "Application of the Non-Destructive Testing Method to Determine the Gmax of Bangkok Clay." Applied Mechanics and Materials 418 (September 2013): 157–60. http://dx.doi.org/10.4028/www.scientific.net/amm.418.157.
Full textDissertations / Theses on the topic "Bender element"
Johnson, Sean (Sean Michael). "Modeling a bender element test using Abaqus Finite Element Program." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/64573.
Full textCataloged from PDF version of thesis.
Includes bibliographical references (p. 253-255).
Finite Element Methods hold promise for modeling the behavior of an unsaturated soil specimen subjected to bender element agitation. The immediate objective of this research project is to reproduce a bender element test using Abaqus Finite Element Software assuming elastic and isotropic conditions. Extensive compressions were made of bender element testing of unsaturated Ticino Sand specimens uniaxially compressed and the Abaqus Finite Element Method program simulation. The research determined that the mesh resolution of a numerical analysis are optimal at a resolution of a twentieth of the shear wavelength and the integration time step has a negligible effect on the observed wave velocity. Moreover, it is possible to reproduce an uniaxially stressed bender element experiments of unsaturated Ticino sand in an Abaqus Finite Element Method program with relatively minimal error of the body wave velocity measurements if the source receiver distance is beyond two shear wavelengths and the reflected signals from the boundaries are suppressed.
by Sean Johnson.
S.M.
Lo, Kai Fung. "Small-strain shear modulus and damping ratio determination by bender element /." View abstract or full-text, 2005. http://library.ust.hk/cgi/db/thesis.pl?CIVL%202005%20LOK.
Full textKnutsen, Mirjam. "On Determination of Gmax by Bender Element and Cross-Hole Testing." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for bygg, anlegg og transport, 2014. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-27232.
Full textHasan, Ahmed M. "Small strain elastic behaviour of unsaturated soil investigated by bender/extender element testing." Thesis, University of Glasgow, 2016. http://theses.gla.ac.uk/7492/.
Full textLi, Bo. "EFFECT OF FABRIC ANISOTROPY ON THE DYNAMIC MECHANICAL BEHAVIOR OF GRANULAR MATERIALS." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1291071699.
Full textAraya, Contreras Sofía Esperanza. "Medición de parámetros dinámicos de arena con finos mediante columna resonante." Tesis, Universidad de Chile, 2017. http://repositorio.uchile.cl/handle/2250/145564.
Full textChile es uno de los países más sísmicos del mundo; escenario de grandes terremotos en el pasado y con toda seguridad, en el futuro. En particular, los suelos son afectados por movimientos sísmicos. Por lo que es importante conocer las propiedades dinámicas del suelo (rigidez máxima Gmax , curvas de degradación G/Gmax y el amortiguamiento D ) para el correcto diseño de proyectos de ingeniería. Existen distintos ensayos para medir parámetros dinámicos del suelo, sometiéndolos a pequeñas y grandes deformaciones. El módulo de corte G y el amortiguamiento D se obtienen con ensayos de laboratorio y terreno. En particular, en laboratorio, uno de los ensayos que cubre un mayor rango de deformación es el de columna resonante (D4015-15, 2016). Este trabajo de título consistió en realizar ensayos de columna resonante en arenas de relave del muro del tranque El Torito (Mina de cobre El Soldado). Los ensayos fueron hechos con probetas de arena preparadas entre 35% y 85% de densidad relativa, y confinamientos que variaron entre 1 [kg/cm2] y 4 [kg/cm2]. Los resultados obtenidos se compararon con los obtenidos en el equipo Bender Element. Los Gmax dieron entre 40 y 180 [MPa]. Los ensayos de columna resonante entregaron rigideces máximas moderadamente mayores (5%) a los de Bender Element. Esto debido posiblemente a que las probetas del primer ensayo se vieron menos alteradas en su confección. Todas las curvas de degradación del módulo de corte G/Gmax y amortiguamiento D varían respecto a su deformación al corte con una tendencia que concuerda con lo observado en la literatura. A mayor confinamiento, las muestras tienen mayor rigidez inicial, mayor G/Gmax y menor amortiguamiento. A mayor índice de vacíos, las probetas tienen menor rigidez inicial y mayor G/Gmax , el amortiguamiento no tiene mayor variación respecto este parámetro. El comportamiento de las muestras al 5% de saturación es similar al de las muestras saturadas.
Karam, Jean-Paul. "Etude de la rhéologie des loess du Nord de la France - Application à l'évaluation de leur risque de liquéfaction." Phd thesis, Ecole des Ponts ParisTech, 2006. http://pastel.archives-ouvertes.fr/pastel-00002185.
Full textRizzi, Vera Federica. "Studio della riattivazione della frana di Montevecchio (FC) mediante misure in sito e in laboratorio." Master's thesis, Alma Mater Studiorum - Università di Bologna, 2017. http://amslaurea.unibo.it/13411/.
Full textMohsin, AKM. "AUTOMATED Gmax MEASUREMENT TO EXPLORE DEGRADATION OF ARTIFICIALLY CEMENTED CARBONATE SAND." Thesis, The University of Sydney, 2008. http://hdl.handle.net/2123/5003.
Full textMohsin, AKM. "AUTOMATED Gmax MEASUREMENT TO EXPLORE DEGRADATION OF ARTIFICIALLY CEMENTED CARBONATE SAND." University of Sydney, 2008. http://hdl.handle.net/2123/5003.
Full textSoil Stiffness is an important parameter for any geotechnical engineering design. In laboratory tests it can be derived from stress-strain curves or from dynamic measurement based on wave propagation theory. The second method is a more accurate and direct method for measuring stiffness at very small strains. Until now dynamic measurements have usually been obtained manually from the triaxial test. Attempts have been made to automate the procedure but have apparently failed due to the high level of variability in dynamic measurements. Moreover, triaxial tests of soil can be very lengthy and manual dynamic measurements can be very tedious and impractical for long stress-path tests. In this research a computer program has been developed to automate the stiffness measurement (using bender elements) based on the cross- correlation technique. In this method the program records all the peaks and corresponding arrival times in the cross-correlation signal during the test. The stiffness is calculated and displayed on the screen continuously. The Bender Element enabled to get the small strain shear modulus. An arbitrary “Chirp” waveform of 4 kHz frequency was used for this purpose. Subsequently Bender Element test results were checked by ‘Sine’ waveforms of frequencies 5kHz to 20kHz, as well as by manual inspection of the arrival time. This thesis discusses the method and some of the difficulties in truly automating the process. Finally some results from a number of stress path tests on uncemented and cemented calcareous sediments are presented. Bender elements have been used by many researchers to determine the shear modulus at small strain. Most previous studies have used visual observation of arrival time, which is time consuming and often requires some judgement from the operator. This thesis will describe the use of cross-correlation as a method for automation of Gmax measurement. Cross-correlation has been claimed to be unreliable in the past. However, it will be shown that provided several peaks in the cross-correlation signal are monitored it is possible to follow the variation of Gmax throughout consolidation and shearing. The measurement can be made at regular intervals within the software controlling a stress-path apparatus. Details of the apparatus used and practical considerations including selection of waveform and frequency are discussed. A series of drained cyclic triaxial tests was carried out on artificially cemented and uncemented calcareous soil of dry unit weights 13, 15, and 17 kN/m3 and sheared with constant effective confining stress 300 kPa. Gypsum cement contents of 10%, 20% and 30% of the dry soil weight were used. In addition a series of stress path tests were performed on Toyuora sand samples. Results will be presented for two uncemented and one cemented sand. In addition to the bender elements, all tests had internal instrumentation to monitor axial and lateral strains. Results will be presented for Toyura sand to show that the measurements are consistent with those obtained by other methods. Results will also be presented for carbonate sand subjected to a wide range of stress paths. Finally, results will be presented for the carbonate sand cemented with gypsum. The degradation of Gmax of the cemented soil subjected to variety of monotonic and cyclic stress-paths is presented. Analysis of the results includes assessment of the factors influencing Gmax for uncemented sand. Preliminary analysis indicates that in order of importance these are the mean effective stress, the stress history, void ratio and stress ratio. For cemented sand, Gmax is initially constant and independent of stress path. After yielding the modulus degrades, becoming increasingly stress level dependent and eventually approaches the value for uncemented sand. Factors influencing the rate of degradation are discussed. For the Toyuora sand samples the effects of end restraint on the stress-strain response at small strains were investigated. The conventional method of mounting triaxial specimen has the effect of introducing friction between sample and end platen during a compression test. This inevitably restricts free lateral movement of the specimen ends. Frictional restraint at the sample ends causes the formation of 'dead zones' adjacent to the platens, resulting in non-uniform distribution of stress and strain (and of pore pressure if undrained). On the other hand the specimen with 'free' ends maintain an approximate cylindrical shape instead of barrelling when subjected to compression, resulting in a more uniform stress distribution.
Book chapters on the topic "Bender element"
Moldovan, Ionuţ Dragoş, Abdalla Almukashfi, and António Gomes Correia. "A Toolbox for the Automatic Interpretation of Bender Element Tests in Geomechanics." In Lecture Notes in Civil Engineering, 125–44. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-20241-4_10.
Full textKang, Mingu, Issam I. A. Qamhia, Erol Tutumluer, Won-Taek Hong, Jesse D. Doyle, Harold T. Carr, Wayne D. Hodo, Ben C. Cox, and Jeb S. Tingle. "Bender Element Field Sensors for Base Course Stiffness Measurements in Airport Pavements." In Lecture Notes in Civil Engineering, 861–76. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77234-5_71.
Full textBhutale, Sandip Shivaji, and R. S. Dalvi. "Effect of Fines Content on Dynamic Properties of Sand Using Bender Element." In Lecture Notes in Civil Engineering, 11–22. Singapore: Springer Singapore, 2021. http://dx.doi.org/10.1007/978-981-33-4001-5_2.
Full textPiriyakul, Keeratikan, and Janjit Iamchaturapatr. "Deep Soil Mixing Method for the Bio-cement by Means of Bender Element Test." In Advances in Laboratory Testing and Modelling of Soils and Shales (ATMSS), 375–81. Cham: Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-52773-4_44.
Full textChan, Chee-Ming, and Mohammed Mansoor Mofreh Gubran. "Curing Behaviour of Lightly Solidified Clays Monitored with Bender Element and Electrical Conductivity Measurements." In Sustainable Civil Infrastructures, 27–37. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-95771-5_3.
Full textKang, Mingu, Issam I. A. Qamhia, Erol Tutumluer, Murphy Flynn, Navneet Garg, and Wilfredo Villafane. "Near Geogrid Stiffness Quantification in Airport Pavement Base Layers Using Bender Element Field Sensor." In Lecture Notes in Civil Engineering, 703–15. Cham: Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-77234-5_58.
Full textChandra, Kannekanti Prithvi, and Kadali Srinivas. "Estimation of Arrival Time of Shear Waves in Fine-Grained Soils Using Bender Element Test." In Lecture Notes in Civil Engineering, 213–32. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-3662-5_18.
Full textLiu, Xin, and Jun Yang. "A Parallel Comparison of Small-Strain Shear Modulus in Bender Element and Resonant Column Tests." In Springer Series in Geomechanics and Geoengineering, 564–68. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97112-4_126.
Full textChang, Il Han, Gye Chun Cho, Joo Gong Lee, and Lee Hyung Kim. "Characterization of Clay Sedimentation Using Piezoelectric Bender Elements." In Advanced Nondestructive Evaluation I, 1415–20. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-412-x.1415.
Full textJuneja, A., and M. Endait. "Characterisation of Vesicular Basalts of Mumbai Using Piezoceramic Bender Elements." In Developments in Geotechnical Engineering, 203–12. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-0505-4_18.
Full textConference papers on the topic "Bender element"
Pradhan, Asheesh, and Xinbao Yu. "Bender Element Testing and Discrete Element Modeling of Shear Wave in Granular Media." In IFCEE 2015. Reston, VA: American Society of Civil Engineers, 2015. http://dx.doi.org/10.1061/9780784479087.183.
Full textLi, Kuan, Yu Lan, and Wei Lu. "Finite element design of a new piezoelectricity bender disk transducer array." In 2010 Symposium on Piezoelectricity, Acoustic Waves, and Device Applications (SPAWDA 2010). IEEE, 2010. http://dx.doi.org/10.1109/spawda.2010.5744332.
Full textZeng, Xiangwu, J. Ludwig Figueroa, and Lei Fu. "Measurement of Base and Subgrade Layer Stiffness Using Bender Element Technique." In 15th Engineering Mechanics Division Conference. Reston, VA: American Society of Civil Engineers, 2003. http://dx.doi.org/10.1061/40709(257)3.
Full textStyler, M. A., and J. A. Howie. "Comparing Frequency and Time Domain Interpretations of Bender Element Shear Wave Velocities." In GeoCongress 2012. Reston, VA: American Society of Civil Engineers, 2012. http://dx.doi.org/10.1061/9780784412121.226.
Full textRAJESH, R. "An Eight Element Hydrophone Array Using DFB Fiber Laser with Bender Bar Packaging." In International Conference on Fibre Optics and Photonics. Washington, D.C.: OSA, 2016. http://dx.doi.org/10.1364/photonics.2016.th3a.52.
Full textHoyos, L. R., P. Takkabutr, A. J. Puppala, and Md S. Hossain. "Dynamic Response of Unsaturated Soils Using Resonant Column and Bender Element Testing Techniques." In Geotechnical Earthquake Engineering and Soil Dynamics Congress IV. Reston, VA: American Society of Civil Engineers, 2008. http://dx.doi.org/10.1061/40975(318)47.
Full textHuang, Lin, Yong Wang, Jian Li, Wei He, and Xian-qin Li. "The Effect of Different Boundary Conditions on the Result of Bender-Extender Element Test." In International Conference on Geotechnical and Earthquake Engineering 2018. Reston, VA: American Society of Civil Engineers, 2019. http://dx.doi.org/10.1061/9780784482049.041.
Full textRees, Sean, Tomasz Szczepański, Jerry Sutton, and Karl Snelling. "Surface Wave Geophysics and Laboratory Bender Element Methods for use in Ground Improvement Assessment." In International Conference on Ground Improvement & Ground Control. Singapore: Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-3560-9_10-1007.
Full textYamashita, Satoshi, Tomohito Hori, and Teruyuki Suzuki. "Anisotropic Stress-Strain Behavior at Small Strains of Clay by Triaxial and Bender Element Tests." In Second Japan-U.S. Workshop on Testing, Modeling, and Simulation in Geomechanics. Reston, VA: American Society of Civil Engineers, 2006. http://dx.doi.org/10.1061/40870(216)4.
Full textPineda, J. A., L. R. Hoyos, and J. E. Colmenares. "Stiffness Response of Residual and Saprolitic Soils Using Resonant Column and Bender Element Testing Techniques." In GeoFlorida 2010. Reston, VA: American Society of Civil Engineers, 2010. http://dx.doi.org/10.1061/41095(365)77.
Full textReports on the topic "Bender element"
Werdon, M. B., and M. J. Blessington. Analyses of historic U.S. Bureau of Mines samples for geochemical trace-element and rare-earth-element data from the VABM Bend area, Black River and Eagle quadrangles, east-central Alaska. Alaska Division of Geological & Geophysical Surveys, June 2014. http://dx.doi.org/10.14509/27299.
Full textFriedsam, H., W. Oren, R. Pitthan, R. Pushor, and R. Ruland. Alignment labeling scheme for the reverse bends, instrument sections, and the final focus beam line elements and their supports. Office of Scientific and Technical Information (OSTI), January 1986. http://dx.doi.org/10.2172/6396791.
Full textQamhia, Issam, and Erol Tutumluer. Evaluation of Geosynthetics Use in Pavement Foundation Layers and Their Effects on Design Methods. Illinois Center for Transportation, August 2021. http://dx.doi.org/10.36501/0197-9191/21-025.
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