Academic literature on the topic 'Ramming'

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Journal articles on the topic "Ramming"

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Johnson, Ralph E., and Leon Z. Katcharian. "Several Recent Rammings Investigated by the National Transportation Safety Board." Marine Technology and SNAME News 28, no. 06 (1991): 303–13. http://dx.doi.org/10.5957/mt1.1991.28.6.303.

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This paper discusses several recent rammings investigated by the National Transportation Safety Board:the ramming of the U.S. fishing vessel Chickadee by the guided-missile frigate USS Richard L. Page (FFG-5) in the Atlantic Ocean near Virginia Beach, Virginia on April 21,1987;the ramming of the Sidney Lanier Bridge by the Polish bulk carrier Ziemia Bialostocka at Brunswick, Georgia on May 3, 1987;the ramming of the Spanish bulk carrier Urduliz by the aircraft carrier USS Dwight D. Eisenhower (CVN 69) at Hampton Roads, Virginia on August 29, 1988; andthe ramming of the French tankship Camargue
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Guo, C. Y., G. L. Yang, J. L. Ge, and Q. Z. Sun. "Effect of ramming initial state on band engraving in smooth-bore guns." Journal of Physics: Conference Series 2478, no. 2 (2023): 022009. http://dx.doi.org/10.1088/1742-6596/2478/2/022009.

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Abstract Most modern tank guns are high bore pressure smooth-bore guns that often use High Explosive Antiarmor (HEAA) projectile in combat. This paper focuses on the coupled smoothbore gun- HEAA projectile system, and analyses the projectile ramming-band engraving process when a tank fires HEAA projectile. First, a finite element mesh model of the coupling dynamics of a large-calibre tank gun smoothbore barrel and HEAA projectile was established, and the band was discretized by using the Smoothed Particle Hydrodynamics (SPH) method based on the Lagrange mesh. Then, the propellant gas pressure
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Korshunov, V. A., I. V. Kudinovich, A. A. Rodionov, A. Z. Suteeva, and G. M. Shuvalov. "Safety analysis of the floating power unit under collision." Arctic: Ecology and Economy 13, no. 2 (2023): 211–22. http://dx.doi.org/10.25283/2223-4594-2023-2-211-222.

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The article considers a possible navigational accident associated with the ramming of a modernized floating power unit (MFPU) by another ship. The authors suggest an approach to determine the consequences of a collision using the finite element method. The finite element model has been developed for modeling the destruction of ship hull structures, to determine the energy intensity of ship hull structures during ramming, and to calculate the critical velocity of ramming ships. The study results provide the following conclusions: 1) the use of the finite element method in the analysis of collis
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Wu, Bingquan, Wankui Ni, and Haiman Wang. "Stability Analysis of Loess High Slope under Dynamic Compaction Based on Matrix Discrete Element Method." Advances in Civil Engineering 2022 (December 19, 2022): 1–13. http://dx.doi.org/10.1155/2022/9089652.

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In order to investigate the safety and stability of loess high slope under dynamic ramming, the MatDem software was used to simulate the process of heavy rammer compacting the spot which was 11 m away from the toe of loess high slope. The rammer was applied with different energies of 10000 kN·m, 8000 kN·m, and 6000 kN·m. In this way, the safety and stability of slope under the action of different dynamic tamping energies can be determined. The results show that the loess high slope presented circular landslide damage by dynamic compaction. Under the same ramming times, with the decrease of ram
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Tang, Hu, Zhenggang Jia, Bing Li, Huazhong Chen, and Wenjie Yuan. "Enhanced Properties of Tailored Alumina–Magnesia-Based Dry Ramming Mixes by Calcium Magnesium Aluminate (CMA)." Materials 16, no. 4 (2023): 1707. http://dx.doi.org/10.3390/ma16041707.

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To achieve the goal of “dual-carbon”, induction furnaces with high efficiency and energy-saving advantages are paid more attention in the foundry and metallurgy industries. The service life and safety of induction furnaces strongly depended on the lining because expansion and forward sintering could result in the erosion and slag resistance of the lining. Focusing on the tailoring properties of alumina–magnesia-based dry ramming mixes, calcined magnesia particles were replaced with the novel multi-component materials of calcium magnesium aluminate (CaO-MgO-Al2O3, CMA) with a size of 200 mesh.
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Luo, Guiyuan, Guangsong Chen, and Ang Li. "Analysis of interval uncertainty response for the ramming coordination mechanism of artillery automatic loading system." Journal of Physics: Conference Series 2891, no. 10 (2024): 102016. https://doi.org/10.1088/1742-6596/2891/10/102016.

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Abstract The ramming coordination mechanism is a critical component of the artillery automatic loading system. Its primary function is to receive projectiles from the manipulator and align them parallel to the bore axis, facilitating subsequent chambering of the projectiles. The reliability of the ramming coordination mechanism directly influences the subsequent precision of chambering. Therefore, analysing the boundary response of this mechanism is crucial for subsequent reliability assessments. In response to the issue of interval uncertainty response for the ramming coordination mechanism,
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Guo, Chunyu, Chengsen Zhang, Chunhui Wang, and Chao Wang. "Experimental Study on IRV Ramming Artificial Model Ice." Journal of Marine Science and Engineering 11, no. 10 (2023): 2022. http://dx.doi.org/10.3390/jmse11102022.

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When the icebreaker sails in the polar region, it adopts continuous and ramming icebreaking operations. When the ice condition exceeds the design working condition, it uses the ramming icebreaking method to advance. The nonlinear icebreaking process and complex ice conditions make it difficult to accurately predict the ice-strengthened ships’ ramming performance. This paper develops a scale-ratio brittle model of ice to simulate thick, level ice and predicts the ice penetration distance and bow load of an icebreaking research vessel (IRV) model at different speeds. The test results show that t
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Doronin, Sergey, Roman Zelenov, Elena Reizmunt, and Anatoly Chernyaev. "Shock Impulse Model when Compacting a Coal Load for Coke Production." System Analysis & Mathematical Modeling 5, no. 4 (2023): 392–408. http://dx.doi.org/10.17150/2713-1734.2023.5(4).392-408.

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Currently, the reserves of coking coals necessary for the production of high-quality coke are significantly reduced. One of the promising technologies for the preparation of raw materials for the production of coke is the ramming of coal charge: by increasing its density, the requirements for the quality of the initial coals are reduced and it becomes possible to widely use, along with coking, and coal of the worst quality. Determination of the characteristics of the ramming technology and equipment is carried out mainly empirically, which does not guarantee the receipt of scientifically based
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Johnson, W. "Ship-ramming after 1859." International Journal of Impact Engineering 13, no. 2 (1993): 385–402. http://dx.doi.org/10.1016/0734-743x(93)90103-e.

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Primachenko, V. V., L. A. Babkina, I. V. Khonchik, L. N. Nikulina, А. S. Tinigin, and T. G. Tishina. "Investigation of the amount influence of corundum-zirconium-silicate material on the properties of ramming mullite-corundum mass and samples from it." Scientific research on refractories and technical ceramics 118 (July 11, 2018): 56–68. http://dx.doi.org/10.35857/2663-3566.118.06.

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Investigations of the amount influence of corundum-zirconium-silicate material on the properties of ramming mullite-corundum mass of MMK-90 grade and samples from it are carried out.
 The optimum amount of the above material (40 % by weight) is established, the use of which in the composition of ramming mullite-corundum mass provides an increase in thermal shock resistance of the samples made of it (~ 2.0 times more) with sufficiently high strength properties and slag resistance, albeit lower, especially significant in strength, than samples without corundum-zirconium-silicate material.&#
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Dissertations / Theses on the topic "Ramming"

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Fredriksen, Ørjan. "Ice-Induced Loading on Ship Hull During Ramming." Thesis, Norges teknisk-naturvitenskapelige universitet, Institutt for marin teknikk, 2012. http://urn.kb.se/resolve?urn=urn:nbn:no:ntnu:diva-18423.

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As a result of the steadily increasing activities related to marine technology in Arctic regions, Det Norske Veritas has launched an ice load monitoring project to gather knowledge of the ice conditions and prevailing ice-induced actions in the region. The intention of the following thesis is to study different aspects related to design of ice-going vessels, in particular the design scenario where a vessel impacts an ice ridge.The introductory part of the thesis gives an overview of important aspects related to sea ice, including different types of ice features and their physical and mechanica
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Ramming, Tobias [Verfasser]. "Über Familien sphärisch symmetrischer stationärer Lösungen des Vlasov-Poisson-Systems / Tobias Ramming." München : Verlag Dr. Hut, 2012. http://d-nb.info/1028784325/34.

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Ramming, Michael Georg [Verfasser], and Thomas [Akademischer Betreuer] Bein. "Extrakorporale Lungenunterstützung und ultraprotektive Beatmung beim schweren Lungenversagen / Michael Georg Ramming. Betreuer: Thomas Bein." Regensburg : Universitätsbibliothek Regensburg, 2012. http://d-nb.info/1023362244/34.

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Orangi, Sakineh. "Time-dependant behaviour of ramming paste used in hall-héroult cell : characterization and constitutive law." Doctoral thesis, Université Laval, 2014. http://hdl.handle.net/20.500.11794/25205.

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Un des éléments du revêtement carboné dans une cuve de Hall-Héroult est la pâte à brasquer. Au cours du préchauffage et dans la période de démarrage d'une cuve de Hall-Héroult permettant de passer de la température ambiante à près de 1000 °C, la pâte est cuite sous des charges variables et elle subit plusieurs phénomènes physiques tels que les effets chimiques et mécaniques. Le fluage/relaxation est l'un des phénomènes mécaniques que la pâte supporte pendant la cuisson. Afin de proposer une loi constitutive de fluage/relaxation de la pâte à brasquer, il était nécessaire de définir son comporte
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Fuchs, Friederike [Verfasser], Sebastian [Akademischer Betreuer] Zundler, Markus F. [Gutachter] Neurath, and Andreas [Gutachter] Ramming. "Veränderungen der Integrin-Expressions-Profile bei Patienten mit Colitis ulcerosa unter Therapie mit Vedolizumab / Friederike Fuchs ; Gutachter: Markus F. Neurath, Andreas Ramming ; Betreuer: Sebastian Zundler." Erlangen : Friedrich-Alexander-Universität Erlangen-Nürnberg (FAU), 2021. http://d-nb.info/1232075779/34.

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Kern, Melanie Alexandra [Verfasser], Anja [Akademischer Betreuer] Rammig, Anja [Gutachter] Rammig, and Karin [Gutachter] Rebel. "Nitrogen controls on plant carbon-use efficiency / Melanie Alexandra Kern ; Gutachter: Anja Rammig, Karin Rebel ; Betreuer: Anja Rammig." München : Universitätsbibliothek der TU München, 2020. http://d-nb.info/1235664309/34.

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Henke, Sascha. "Herstellungseinflüsse aus Pfahlrammung im Kaimauerbau /." Hamburg : Inst. für Geotechnik und Baubetrieb, 2008. http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&doc_number=017095279&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA.

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Montealegre, Agramont Norma Alicia [Verfasser], Franz Josef [Akademischer Betreuer] Rammig, and Sybille [Akademischer Betreuer] Hellebrand. "Immunorepairing of hardware systems / Norma Alicia Montealegre Agramont. Betreuer: Franz Josef Rammig ; Sybille Hellebrand." Paderborn : Universitätsbibliothek, 2013. http://d-nb.info/1038000483/34.

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Kerstan, Timo Verfasser], Franz Josef [Akademischer Betreuer] [Rammig, and Marco [Akademischer Betreuer] Platzner. "Towards full virtualization of embedded real-time systems / Timo Kerstan. Betreuer: Franz J. Rammig ; Marco Platzner." Paderborn : Universitätsbibliothek, 2011. http://d-nb.info/1033763748/34.

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Priesterjahn, Claudia Verfasser], Wilhelm [Akademischer Betreuer] [Schäfer, Franz Josef [Akademischer Betreuer] Rammig, and Matthias [Akademischer Betreuer] Tichy. "Analyzing self-healing operations in mechatronic systems / Claudia Priesterjahn. Betreuer: Wilhelm Schäfer ; Franz Josef Rammig ; Matthias Tichy." Paderborn : Universitätsbibliothek, 2013. http://d-nb.info/1041284675/34.

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Books on the topic "Ramming"

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Quinlivan, J. T. The Taran: Ramming in the Soviet Air Force. Rand, 1986.

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Mohammad, Najafi, and American Society of Civil Engineers., eds. Pipe ramming projects: ASCE manuals and reports on engineering practice no. 115. American Society of Civil Engineers, 2008.

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Daley, Claude. Parametric model study of ships ramming multi-year ice floes: Physical modelling of ship/ice interaction. Valtion teknillinen tutkimuskeskus, 1991.

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Board, United States National Transportation Safety. Marine accident report: Ramming of the Eads Bridge by barges in tow on the M/V Anne Holly with subsequent ramming and near breakaway of the President Casino on the Admiral, St. Louis Harbor, Missouri, April 4, 1998. The Board, 2000.

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Papageōrgiou, Kōstas G. Rammeno stoma. Kedros, 1990.

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Williams, Paul. Ramming the shears: The rise and demise of the Australian shearer and his culture : the origins of the Shearers' and Rural Workers' Union : an historical contemporary study of the Australian shearers' unionism and industry. Shearer's and Rural Worker's Union, 2004.

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United States. National Transportation Safety Board. Postaccident testing for alcohol and other drugs in the marine industry and the ramming of the Portland-South Portland (million dollar) Bridge at Portland, Maine, by the Liberian tankship Julie N on September 27, 1996. The Board, 1998.

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United States. National Transportation Safety Board. Postaccident testing for alcohol and other drugs in the marine industry and the ramming of the Portland-South Portland (Million Dollar) Bridge at Portland, Maine, by the Liberian tankship Julie N on September 27, 1996: Special investigation report. National Transportation Safety Board, 1998.

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Jindara, ed. Shāida Rammī manna jāe: Kahāṇīāṃ. Lokgeet Parkashan, 2008.

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Hoyer, Belia de. Van rammen-moed tot vissen-devotie: Een karakterbeschouwing over de twaalf tekens van de dierenriem. Zevenster, 1985.

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Book chapters on the topic "Ramming"

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Shayler, David J. "Ramming the atmosphere." In Gemini Flies! Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-68142-9_3.

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Cóté, Pascal, and Giovanni Pucella. "An Innovative Pot Ramming Machine." In Light Metals 2015. John Wiley & Sons, Inc., 2015. http://dx.doi.org/10.1002/9781119093435.ch118.

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Côté, Pascal, and Giovanni Pucella. "An Innovative Pot Ramming Machine." In Light Metals 2015. Springer International Publishing, 2015. http://dx.doi.org/10.1007/978-3-319-48248-4_118.

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Sørlie, Morten, and Harald A. Øye. "Compaction of Room Temperature Ramming Paste." In Essential Readings in Light Metals. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48200-2_106.

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Sørlie, Morten, Bente M. Faaness, and José Alceste S. Belmonte. "Densification of Ramming Paste in Cathodes." In Essential Readings in Light Metals. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48200-2_107.

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Sørlie, Morten, and Harald A. Øye. "Compaction of Room Temperature Ramming Paste." In Essential Readings in Light Metals. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118647745.ch106.

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Sørlie, Morten, Bente M. Faaness, José Alceste, and S. Belmonte. "Densification of Ramming Paste in Cathodes." In Essential Readings in Light Metals. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118647745.ch107.

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Arkhipov, Alexander, Ali Jassim, Najeeba Al Jabri, and Mohamed Tawfik Boraie. "EGA Journey with Different Ramming Pastes." In Light Metals 2022. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-92529-1_119.

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Faaness, Bente M., Hermann Gran, Morten Sørlie, and Harald A. Øye. "Ramming Paste Related Failures in Cathode Linings." In Essential Readings in Light Metals. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-48200-2_109.

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Faaness, Bente M., Hermann Gran, Morten Sørlie, and Harald A. Øye. "Ramming Paste Related Failures in Cathode Linings." In Essential Readings in Light Metals. John Wiley & Sons, Inc., 2013. http://dx.doi.org/10.1002/9781118647745.ch109.

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Conference papers on the topic "Ramming"

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Balla, Jiri, and Beáta Kopiláková. "The Main Problems in the Operation of Ramming Devices in Artillery Weapons." In Materials and Technologies for Defense and Security. Trans Tech Publications Ltd, 2025. https://doi.org/10.4028/p-mwc53o.

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The article discusses the principles of operation of loading devices of artillery weapons with a focus on the ramming device as the most important part performing mechanical movement with the round. The attention is focused on hydraulically driven ramming devices, where the possibility of using linear and rotary hydraulic drives is investigated. At the same time, the possibilities of experimental determination of model parameters such as motor damping coefficients, hydraulic resistances, reduced values of compressibility coefficients in the given circuit are presented. The advantages and disad
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Wu, Tong, Gouqing Liu, Rong Liang, Zhixiang Shi, and Lei Liu. "Research on Electromagnetic Ammunition Ramming Mode Based on Linear Switched Reluctance Motor." In 2024 IEEE 5th International Conference on Advanced Electrical and Energy Systems (AEES). IEEE, 2024. https://doi.org/10.1109/aees63781.2024.10872420.

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Saito, N., and H. Sakamoto. "Electrochemical Study of Crevice Environment in High-Temperature Water - Corrosion Potential and pH Measurement." In CORROSION 1994. NACE International, 1994. https://doi.org/10.5006/c1994-94233.

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Abstract High-temperature pH was measured with zirconia membrane electrode with crevice-forming sheath in high purity water. The crevice pH was substantially lower than that of bulk water. Corrosion potential was measured in crevice and on free surface in high-temperature, high-purity water with Type 304 stainless steel (SS), Alloy 600 and their Cr-depleted model alloys. The crevice corrosion potential was 300 to 400 mV lower than that of free surface. The coupling current was observed from free surface cathode to crevice anode. The surface films formed in crevice and on free surface were char
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Saunders, Joe, Mathew Jobin, Elvis SanJuan Riverol, Ron Chune, Ken Zhang, and Ryan Milligan. "Determination of Safe Excavation Pressure During Hoe Ramming Activities." In 2024 15th International Pipeline Conference. American Society of Mechanical Engineers, 2024. https://doi.org/10.1115/ipc2024-131611.

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Abstract Hoe-ramming is a form of rock excavation, often used when an excavation area is too large for a jackhammer, or where blasting is not possible. A percussion hammer fitted to an excavator is used to break up and remove rock from the area surrounding a pipeline. During integrity excavations, hoe ramming is typically used to remove rock around in-service natural gas pipelines to allow for access to complete integrity assessment activities. To determine safe operating pressure of the pipeline, currently, a conservative approach is used that usually yields significant pressure reduction tha
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Baragetti, Sergio, and Emanuele Vincenzo Arcieri. "A New Mobile Anti-Ramming System." In ASME 2019 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2019. http://dx.doi.org/10.1115/imece2019-11296.

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Abstract The recent vehicle-ramming terror attacks in Berlin, Barcelona, London and Nice pointed out our vulnerability: all of us could be victims during a walk in our squares or in crowded places, it is sufficient a car, a van or a truck. The current solution to this problem is the application of concrete barriers in our cities. These devices are not good-looking and give a sense of danger to the human beings. But are they effective? Starting from this question, the authors studied the effectiveness of these barriers and developed a new good-looking mobile device. The study was carried out by
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Balla, Jiri, Martin Macko, Zbynek Krist, Cong Ich Le, Stefan Timar, and Ivan Kopecky. "Inserting cartridges using electrically powered ramming devices." In 2017 International Conference on Military Technologies (ICMT). IEEE, 2017. http://dx.doi.org/10.1109/miltechs.2017.7988727.

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Yao, Zhuting, and Hongxia Pan. "Modeling and simulation of the ramming system." In 2010 International Conference on Electronics and Information Engineering (ICEIE 2010). IEEE, 2010. http://dx.doi.org/10.1109/iceie.2010.5559750.

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Ahn, Se-Jin, Woo-Seong An, Tak-Kee Lee, and Kyungsik Choi. "An Analysis on the Change of Ship Speed According to Ice Load Signal in Continuous Icebreaking and Ramming." In ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/omae2018-77638.

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Recently, the research activities by domestic and overseas researchers using the Korean ice-breaking research vessel, ARAON have been actively conducted. The ARAON regularly operates for research activities in the Antarctic and the Arctic Ocean every year. She conducts many scientific and engineering tasks including ice load measurement, investigation of the properties of material strength for sea ice, and icebreaking performance test during her voyages. Such tests provide important data for studying icebreaker. Ice-breaking mode is determined by conditions of sea ice and ice field, and it is
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Meskele, Tadesse, and Armin W. Stuedlein. "Field Measurements of Pipe Ramming-Induced Ground Vibrations." In Pipelines 2014. American Society of Civil Engineers, 2014. http://dx.doi.org/10.1061/9780784413692.043.

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Lin, Tong, Linfang Qian, Yadong Xu, and Taisu Liu. "Dynamic modeling and parametric optimization of ammunition ramming." In 2016 IEEE International Conference on Information and Automation (ICIA). IEEE, 2016. http://dx.doi.org/10.1109/icinfa.2016.7831894.

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Reports on the topic "Ramming"

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Davies, Mark C. Reassessing Polybius’ account of the Battle of Aegates (241 BCE) using the underwater material culture found at the Egadi Islands. Honor Frost Foundation, 2024. http://dx.doi.org/10.33583/mags2023.06.

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The discovery of the naval battlefield of the Battle of the Aegates (241 BCE) has provided archaeologists with information on battlefield deposition in the Hellenistic period. Ancient war-galleys were armed with a copper-alloy waterline naval ram, yet few have survived in the archaeological record. However, since 2004 twenty-five Roman and Carthaginian rams or rostra have been found at the Egadi Islands. Each ram was cast to fit a particular warship thus providing data on the warship’s nature. This short report will argue that the combatant warships were smaller than Polybius claimed, and evid
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Lange, Ida Sofie Gøtzsche, Claus Lassen, and Marieke van Hulst Pedersen. Relationer mellem Havn og By: Hovedrapport. Aalborg University Open Publishing, 2024. http://dx.doi.org/10.54337/aau.pocire8.

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Den danske kystlinje strækker sig over cirka 8.500 kilometer, og livet langs kysten har i århundreder dannet rammen om mange danskeres arbejde og hverdag. Danmark har traditionelt set været en søfartsnation, og havnebyerne har spillet en afgørende rolle i samfundsudviklingen. Havnebyerne fungerer stadig som knudepunkter for handel, transport og industri og er derfor essentielle for økonomisk vækst og udvikling. I dagens globaliserede verden er havnebyer blevet endnu vigtigere som gateways for international handel og turisme. Det gør dem til centrale aktører i den regionale og nationale økonomi
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