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Статті в журналах з теми "Friction isolator"
Mondal, Papiya D., Aparna D. Ghosh, and Subrata Chakraborty. "Performances of Various Base Isolation Systems in Mitigation of Structural Vibration Due to Underground Blast Induced Ground Motion." International Journal of Structural Stability and Dynamics 17, no. 04 (April 6, 2017): 1750043. http://dx.doi.org/10.1142/s0219455417500432.
Повний текст джерелаLu, Lyan-Ywan, and Chia-Chiea Hsu. "Eccentric Rocking Bearings with a Designable Friction Property for Seismic Isolation: Experiment and Analysis." Earthquake Spectra 29, no. 3 (August 2013): 869–95. http://dx.doi.org/10.1193/1.4000166.
Повний текст джерелаHou, Jun Fang, Rong Li Li, Guang Chun Yu, Tao Luo, and Hai Wen He. "Contrast Test Research on Application of Dry Friction Isolators to Vibration Isolation of Vehicle Electronic Devices." Applied Mechanics and Materials 505-506 (January 2014): 360–64. http://dx.doi.org/10.4028/www.scientific.net/amm.505-506.360.
Повний текст джерелаZhang, Wei, Xiaoping Li, Jian Li, and Xiqiu Li. "An Improved Structural Analysis Method for Isolator with Quasi-Zero-Stiffness Characteristic." Shock and Vibration 2021 (December 15, 2021): 1–13. http://dx.doi.org/10.1155/2021/9920674.
Повний текст джерелаVibhute, A. S., S. D. Bharti, M. K. Shrimali, and S. Vern. "Seismic Performance of Elastomeric and Sliding Friction Isolation System." Proceedings of the 12th Structural Engineering Convention, SEC 2022: Themes 1-2 1, no. 1 (December 19, 2022): 815–19. http://dx.doi.org/10.38208/acp.v1.588.
Повний текст джерелаZelleke, Daniel H., Said Elias, Vasant A. Matsagar, and Arvind K. Jain. "Supplemental dampers in base-isolated buildings to mitigate large isolator displacement under earthquake excitations." Bulletin of the New Zealand Society for Earthquake Engineering 48, no. 2 (June 30, 2015): 100–117. http://dx.doi.org/10.5459/bnzsee.48.2.100-117.
Повний текст джерелаLee, Donghun, and Michael C. Constantinou. "Quintuple Friction Pendulum Isolator: Behavior, Modeling, and Validation." Earthquake Spectra 32, no. 3 (August 2016): 1607–26. http://dx.doi.org/10.1193/040615eqs053m.
Повний текст джерелаRawat, Aruna, Naseef Ummer, and Vasant Matsagar. "Performance of bi-directional elliptical rolling rods for base isolation of buildings under near-fault earthquakes." Advances in Structural Engineering 21, no. 5 (August 25, 2017): 675–93. http://dx.doi.org/10.1177/1369433217726896.
Повний текст джерелаAbed, Dana, Jafar Al Thawabteh, Yazan Alzubi, Jamal Assbeihat, and Eid Al-Sahawneh. "Influence of Earthquake Parameters on the Bi-directional Behavior of Base Isolation Systems." Civil Engineering Journal 8, no. 10 (October 1, 2022): 2038–52. http://dx.doi.org/10.28991/cej-2022-08-10-02.
Повний текст джерелаOzbulut, Osman E., and Stefan Hurlebaus. "A Comparative Study on the Seismic Performance of Superelastic-Friction Base Isolators against Near-Field Earthquakes." Earthquake Spectra 28, no. 3 (August 2012): 1147–63. http://dx.doi.org/10.1193/1.4000070.
Повний текст джерелаДисертації з теми "Friction isolator"
Ozkaya, Cenan. "Development Of A New Seismic Isolator Named." Phd thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/12612712/index.pdf.
Повний текст джерелаbased seismic isolator type on the basis of the idea that the damping of a conventional annular elastomeric bearing (EB) can be increased by filling its central core with small diameter steel balls, which dissipate energy via friction inside the confined hole of the bearing during their movements under horizontal loads. The proposed bearing type is called &ldquo
Ball Rubber Bearing (BRB)&rdquo
. A large set of BRBs with different geometrical and material properties are manufactured and tested under reversed cyclic horizontal loading at different vertical compressive load levels. Effect of supplementary confinement in the central hole of the bearing to performance of BRB is studied by performing some additional tests. Test results are used to develop design equations for BRB. A detailed non-linear finite element model is developed to verify the test results. The proposed analytical model is determined to simulate the structural hysteretic behaviour of the bearings. In design of BRBs, the proposed design guideline can be used in conjunction with the proposed non-linear finite element analysis. Extensive test results indicate that steel balls do not only increase the energy dissipation capacity of the elastomeric bearing (EB) but also increase its horizontal and vertical stiffness. It is also observed that the energy dissipation capacity of a BRB does not degrade as the number of loading cycles increases, which indicates remarkably reliable seismic performance.
Ismail, Mohd. "Shock isolation systems incorporating Coulomb friction." Thesis, University of Southampton, 2012. https://eprints.soton.ac.uk/348953/.
Повний текст джерелаJamali, Navid [Verfasser]. "On the numerical simulation of friction isolated structures / by Navid Jamali." Wuppertal : Inst. für Konstruktiven Ingenieurbau, 2008. http://d-nb.info/1000817172/34.
Повний текст джерелаIliadis, Charalampos. "Friction-based control system for seismic energy dissipation with isolated stories." Thesis, Massachusetts Institute of Technology, 2011. http://hdl.handle.net/1721.1/66834.
Повний текст джерелаCataloged from PDF version of thesis.
Includes bibliographical references (p. 37-38).
The implementation of various structural control systems, such as passive, semi-active or active is not a new concept. They are incorporated in structures to increase the performance under seismic and/or wind loading either by adding stiffness or inducing counteracting forces which dissipate energy in various ways. In order to efficiently dissipate the seismic energy with existing schemes, large structural displacements are required. However, structures that are most vulnerable to earthquakes such as low-rise relatively stiff buildings, cannot experience significant displacements. Therein lies the challenge the author attempts to address by proposing a structural scheme which can be applied to low-rise concrete buildings to efficiently dissipate seismic energy and at the same time to considerably decrease the forces in the structural members for a given seismic excitation. In this thesis the design of this new structural scheme is described and a case study is performed in order to demonstrate its effectiveness and applicability.
by Charalampos Iliadis.
M.Eng.
Lodato, Alessio. "Analisi dell’affidabilità sismica delle strutture isolate mediante dispositivi Friction Pendulum Bearings System." Doctoral thesis, Universita degli studi di Salerno, 2016. http://hdl.handle.net/10556/2467.
Повний текст джерелаThe thesis investigates the seismic reliability of isolated structures with FPBs (Friction Pendulum Bearings) towards failure due to high vertical component excitation and friction coefficient variations. In the end, it has been studied the influence of the uncertainty of the input excitation on the vulnerability of complex structures such as viaducts in the case of different seismic isolation strategies application. The last seismic events (Christchurch 2011, L’Aquila 2009) have highlighted lacks in the actual design philosophies (PBD) due to the high structural damage experimented by structures. The Passive Control Technique of seismic response allows high structural performances respect to the one of fixed base structures, in this way making sustainable the repairing costs of structures in the case of medium high intensity seismic event. After introducing a rich bibliography on matemathical theory of base isolated structures, with some remarks on the state space formulation which allow to carry out modal analysis of non classically damped structures such as the one object of the study, on the mechanical and dynamical behavior of Friction Pendulum System device and on the current Technical Code in Italy (NTC08), it has been introduced the theme to be investigated. Being the FPS behavior related to the friction force, the seismic response can be affected by particular seismic event as near fault event characterized by high vertical component intensity of seismic excitation. Moreover the degradation of the sliding interface due to velocity, pressure and temperature variations can influence the seismic response of the device. To the scope of investigating the collapse phenomenon of the device, non linear dynamic analysis have been carried out through deterministic parametric methods with different near fault input excitations, on two different systems: the first described by a rigid superstructure and isolation system described by the Nagarajaiah model (1990), the second representative of a benchmark r.c. building of four levels (Almazan 2003). The subsequent stochastic analysis carried out by means of the use of Montecarlo simulation, taking advantage of the inversion method, on a system described by rigid superstructure and isolation system described by a rigid-plastic behavior with hardening, have highlighted the relation between the stochastic response and the uncertainty of the friction coefficient in the case of sinusoidal excitation. Finally, it has been investigated the vulnerability of bridge structures in different isolation system design configurations by using fragility analysis, carried out taking advantage of the Multi Stripes method (Baker 2014). Results show the probability of exceedance of the limit state considered variations taking into account the uncertainty of the input excitation. [edited by author]
Il lavoro di tesi ha indagato l’affidabilità sismica delle strutture isolate mediante dispositivi FPBs (Friction Pendulum Bearings) nei confronti dei fenomeni dello scalottamento e delle variazioni del coefficiente d’attrito che caratterizza l’interfaccia di scorrimento del dispositivo. In ultima analisi, è stata indagata l’influenza dell’aleatorietà dell’input in ingresso sulla vulnerabilità di strutture complesse quali viadotti nel caso di applicazione di differenti strategie di isolamento. Gli ultimi eventi sismici (Christchurch 2011, L’Aquila 2009) hanno evidenziato carenze nelle filosofie prestazionali attuali (PBD) a causa dell’elevato danneggiamento agli elementi strutturali sperimentato dalle costruzioni. Le tecniche di controllo passivo della risposta sismica consentono elevate prestazioni in termini di performance strutturali rispetto a quelle a base fissa, in tal modo rendendo sostenibili i costi di riparazione delle costruzioni in caso di eventi sismici di medio alta intensità. Dopo una ricca bibliografia sulla teoria matematica alla base delle strutture isolate, con cenni alla formulazione nello spazio degli stati che consente l’analisi modale di strutture non classicamente smorzate, sul comportamento meccanico e dinamico del dispositivo Friction Pendulum System e sulle attuali Norme Vigenti in Italia (NTC08), si è introdotta la problematica oggetto di studio. Essendo il comportamento del dispositivo FPS dipendente dalla forza d’attrito, la risposta sismica può essere affetta da particolari eventi sismici di tipo near fault caratterizzati da componenti verticali dell’eccitazione sismica di elevata intensità. Inoltre l’usura della superficie di scorrimento dovuta a variazioni di velocità, pressione e temperatura può influenzare la risposta sismica del dispositivo. Al fine di indagare il fenomeno dello scalottamento del dispositivo sono state condotte analisi dinamiche non lineari mediante metodologie deterministiche parametriche con differenti eccitazioni in ingresso di tipo near fault, su un sistema descritto da una sovrastruttura rigida e sistema di isolamento descritto dal modello di Nagarajaiah (1990), e su un sistema rappresentativo di un edificio benchmark in c.a. a 4 livelli (Almazan 2003). Inoltre, le successive analisi stocastiche condotte mediante l’utilizzo della simulazione Montecarlo, sfruttando il metodo dell’inversione, su un sistema descritto da sovrastruttura rigida e sistema di isolamento descritto da una legge attritiva rigido plastica con incrudimento, hanno messo in evidenza la dipendenza della risposta stocastica dall’aleatorietà del coefficiente d’attrito nei confronti di eccitazioni sinusoidali. Infine è stata indagata la vulnerabilità di strutture da ponte in differenti configurazioni di progetto del sistema di isolamento mediante analisi di fragilità condotte sfruttando il metodo Multi Stripes (Baker 2014). Esse mostrano le variazioni nella probabilità di superamento degli stati limite in considerazione dell’aleatorietà dell’input in ingresso. [a cura dell'autore]
XIV n.s.
Boral, Caner. "Desing Of An Engine Mount With Dry Friction Damping." Master's thesis, METU, 2010. http://etd.lib.metu.edu.tr/upload/3/12612132/index.pdf.
Повний текст джерелаwhereas, due to the increased stiffness of the system, at high frequencies dry friction damper has a mitigating effect on performance. In order to overcome this problem, original system parameters are modified. In the modified system a softer mount that increase vibration isolation performance at high frequencies
but, which might cause excessive static deflection due to reduced stiffness of the system is used. On the other hand, addition of dry friction damping prevents excessive static deflections due to the increased stiffness effect and also increases the performance at high frequencies due to the soft mount. Final results showed that vibration isolation performance at low frequencies increases considerably while vibration isolation performance at high frequency is similar and even slightly better than the original system with addition of dry friction damping.
Mastricola, Nicholas Palma. "Nonlinear Stiffness and Edge Friction Characterization of Coned Disk Springs." The Ohio State University, 2016. http://rave.ohiolink.edu/etdc/view?acc_num=osu1480346443676492.
Повний текст джерелаDupeux, Guillaume. "Propulsion et friction d'objets non mouillants." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2013. http://pastel.archives-ouvertes.fr/pastel-00954334.
Повний текст джерелаThaijaroen, Woothichai. "Nonlinear dynamic modelling of rubber isolators using six parameters based on parabolic spring, springpot, and smooth-slip friction element." Thesis, University of Bristol, 2008. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.492630.
Повний текст джерелаDueñas, Osorio Leonardo Augusto 1976. "Optimization of base isolation systems using low-cost bearings and frictional devices." Thesis, Massachusetts Institute of Technology, 2001. http://hdl.handle.net/1721.1/84275.
Повний текст джерелаVita.
Includes bibliographical references (leaves 52-53).
by Leonardo Augusto Dueñas Osorio.
M.Eng.
Книги з теми "Friction isolator"
Aguiar, Mark, and Manuel Amador. The Economics of Sovereign Debt and Default. Princeton University Press, 2021. http://dx.doi.org/10.23943/princeton/9780691176819.001.0001.
Повний текст джерелаHeithaus, Robert Evans, Almas Syed, and Chet R. Rees. Slow and Steady Method for Advancing Devices Through Tight or Tortuous Anatomy. Edited by S. Lowell Kahn, Bulent Arslan, and Abdulrahman Masrani. Oxford University Press, 2018. http://dx.doi.org/10.1093/med/9780199986071.003.0059.
Повний текст джерелаKapal, Rishi. Managing Large Teams: Overcoming Skip- Level Frictions and Executive Isolation. SAGE Publications India Pvt, Ltd., 2021.
Знайти повний текст джерелаLei, Kai-ming. Response of equipment in resilient-friction base isolated structures subjected to ground motion. 1992.
Знайти повний текст джерелаBolt, Paul J., and Sharyl N. Cross. The Sino–Russian Strategic Partnership. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198719519.003.0006.
Повний текст джерелаЧастини книг з теми "Friction isolator"
Sodha, Ankit, Sandip A. Vasanwala, and Devesh Soni. "Probabilistic Evaluation of Seismically Isolated Building Using Quintuple Friction Pendulum Isolator." In Advances in Intelligent Systems and Computing, 149–59. Singapore: Springer Singapore, 2018. http://dx.doi.org/10.1007/978-981-13-1966-2_13.
Повний текст джерелаTan, Ping, Jiying Shang, Jianping Han, Kui Yang, and Yafei Zhang. "Experimental and Analytical Investigation of Variable Curvature and Friction Pendulum Isolator." In Lecture Notes in Civil Engineering, 217–28. Cham: Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-21187-4_16.
Повний текст джерелаAlthaf Hyder, P. R., and E. K. Amritha. "Seismic Analysis of Steel Diagrid Structures Using Triple Friction Pendulum Isolator (TFP)." In Lecture Notes in Civil Engineering, 633–44. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-26365-2_59.
Повний текст джерелаSaha, Purnachandra. "Seismic Control of Benchmark Cable-Stayed Bridges Using Variable Friction Pendulum Isolator." In Advances in Structural Engineering, 1271–82. New Delhi: Springer India, 2014. http://dx.doi.org/10.1007/978-81-322-2193-7_99.
Повний текст джерелаSen, Pratik, and Purnachandra Saha. "Seismic Performance of Polynomial Friction Pendulum Isolator (PFPI) on Benchmark Cable-Stayed Bridge." In Recent Developments in Sustainable Infrastructure, 187–200. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-4577-1_15.
Повний текст джерелаZhelyazov, Todor. "Analytical Modeling of the Thermo-Mechanical Behavior of a Friction-Pendulum Seismic Isolator." In Structural Integrity, 170–71. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-47883-4_32.
Повний текст джерелаAo, Hong Rui, Hong Yuan Jiang, and A. M. Ulanov. "Estimation of the Fatigue Lifetime of Metal Rubber Isolator with Dry Friction Damping." In Experimental Mechanics in Nano and Biotechnology, 949–52. Stafa: Trans Tech Publications Ltd., 2006. http://dx.doi.org/10.4028/0-87849-415-4.949.
Повний текст джерелаWang, X., C. Marsh, and A. Pall. "Studies on friction base isolators." In Earthquake Engineering, edited by Shamim A. Sheikh and S. M. Uzumeri, 359–66. Toronto: University of Toronto Press, 1991. http://dx.doi.org/10.3138/9781487583217-046.
Повний текст джерелаBianco, V., G. Monti, and N. P. Belfiore. "Mechanical Modelling of Friction Pendulum Isolation Devices." In Lecture Notes in Civil Engineering, 133–46. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-78936-1_10.
Повний текст джерелаNijkamp, P., and K. Spiess. "International Migration in Europe: Overcoming Isolation and Distance Friction." In Advances in Spatial Science, 83–102. Berlin, Heidelberg: Springer Berlin Heidelberg, 1995. http://dx.doi.org/10.1007/978-3-642-79827-6_7.
Повний текст джерелаТези доповідей конференцій з теми "Friction isolator"
Tsai, C. S., Jeng-Wen Lin, Yung-Chang Lin, and Chia-Chi Chen. "Applications of Multiple Trench Friction Pendulum System to Seismic Mitigation of Structures." In ASME 2008 Pressure Vessels and Piping Conference. ASMEDC, 2008. http://dx.doi.org/10.1115/pvp2008-61344.
Повний текст джерелаTsai, C. S., Po-Ching Lu, and Wen-Shin Chen. "Shaking Table Tests of a Building Isolated With Trench Friction Pendulum System." In ASME 2006 Pressure Vessels and Piping/ICPVT-11 Conference. ASMEDC, 2006. http://dx.doi.org/10.1115/pvp2006-icpvt-11-93253.
Повний текст джерелаTsai, C. S., Yung-Chang Lin, H. C. Su, and Ya-Fang Tseng. "Nonlinear Analyses of a Building Isolated With Multiple Trench Friction Pendulum System Under Multi-Directional Excitations." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25594.
Повний текст джерелаTsai, C. S., Yung-Chang Lin, and H. C. Su. "Seismic Responses of a Building Isolated With Multiple Friction Pendulum System Subjected to Multi-Directional Excitations." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25587.
Повний текст джерелаTsai, C. S., Wen-Shin Chen, T. C. Chiang, and Yung-Chang Lin. "Application of Direction Optimized-Friction Pendulum System to Seismic Mitigation of Sensitive Equipment." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26552.
Повний текст джерелаTsai, C. S., Tsu-Cheng Chiang, and Bo-Jen Chen. "Seismic Behavior of MFPS Isolated Structure Under Near-Fault Sources and Strong Ground Motions With Long Predominant Periods." In ASME 2003 Pressure Vessels and Piping Conference. ASMEDC, 2003. http://dx.doi.org/10.1115/pvp2003-2104.
Повний текст джерелаMarenda, Ivan, Agostino Marioni, Roberto Dalpedri, and Marco Banfi. "Dynamic properties of the isolators used in the Green Museum Library (Taiwan)." In IABSE Congress, Ghent 2021: Structural Engineering for Future Societal Needs. Zurich, Switzerland: International Association for Bridge and Structural Engineering (IABSE), 2021. http://dx.doi.org/10.2749/ghent.2021.0293.
Повний текст джерелаMikoshiba, Tadashi, Chikahiro Minowa, Masakazu Terai, Takanori Sato, Yoshihiro Maruyama, and Toshio Chiba. "Development of Base-Isolation House Using Sliding Device." In ASME 2010 Pressure Vessels and Piping Division/K-PVP Conference. ASMEDC, 2010. http://dx.doi.org/10.1115/pvp2010-25150.
Повний текст джерелаTsai, C. S., T. C. Chiang, and Wen-Shin Chen. "Finite Element Formulations for Direction Optimized-Variable Curvature Friction Pendulum System." In ASME 2007 Pressure Vessels and Piping Conference. ASMEDC, 2007. http://dx.doi.org/10.1115/pvp2007-26555.
Повний текст джерелаPaolacci, Fabrizio. "On the Effectiveness of Two Isolation Systems for the Seismic Protection of Elevated Tanks." In ASME 2014 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/pvp2014-28563.
Повний текст джерелаЗвіти організацій з теми "Friction isolator"
Wu, Yingjie, Selim Gunay, and Khalid Mosalam. Hybrid Simulations for the Seismic Evaluation of Resilient Highway Bridge Systems. Pacific Earthquake Engineering Research Center, University of California, Berkeley, CA, November 2020. http://dx.doi.org/10.55461/ytgv8834.
Повний текст джерелаFriction Pendulum™ - Seismic Isolation Bearings. Purdue University, 2007. http://dx.doi.org/10.5703/1288284315802.
Повний текст джерела