Relevant bibliographies by topics / Bulldozer blade

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Bulldozer blade'

Author: Grafiati
Published: 28 May 2022

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Journal articles on the topic "Bulldozer blade"

1

Ito, Nobutaka. "Bulldozer blade control." Journal of Terramechanics 28, no. 1 (January 1991): 65–78. http://dx.doi.org/10.1016/0022-4898(91)90007-s.

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2

Surashov, N. T., R. B. Asmatulaev, and D. N. Tolymbek. "Determination of a rational shape of a bulldozer blade considering the soil background of the Republic of Kazakhstan." Russian Automobile and Highway Industry Journal 18, no. 6 (January 17, 2022): 662–77. http://dx.doi.org/10.26518/2071-7296-2021-18-6-662-677.

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Introduction. The productivity and efficiency of earth-cutting and transport machines (ETM) of the waste type depends on the nature and physical and mechanical properties of soils, i.e. on strength, connectivity, humidity, compactness, climatic conditions and on the region of the Republic of Kazakhstan. According to Professor R.A. Kabashev, the regions of Kazakhstan have mainly clay, sandy, loamy, sandy-gravel, coarse- and semi-rocky soils. Different designs and shapes of cutter blades, and therefore mouldboards, are required to develop these categories of soils to minimise cutting and digging resistance. Improved blade and blade designs result in higher productivity and energy efficiency, and the traction factor of the bulldozer is used effectively.When studying and analyzing literature sources, scientists of CIS and foreign countries came to the conclusion that the theory of interaction of working bodies of earth-moving machines with soils, typical for the middle belt of Russia and Ukraine, which are characterized by some connection between particles of II, III categories of soil strength, was reasonably created. Mechanisms of interaction of such soils with bulldozing equipment differ from the processes occurring when digging unbound and dense loamy soils typical for Kazakhstan.The material of this article represents the establishment of rational forms of the heap and the determination of optimum parameters of the heap depending on the category of the ground being mined, i.e., the creation of an adaptive working organ (WO) of the bulldozer, corresponding to its profile with natural trajectory of ground formation formation.Materials and methods. As materials, different categories of soils were used, widespread in the region of Kazakhstan and the new design of the bulldozer blade, equipped with a variety of sets of knives, i.e. ordinary straight knives - for planning work and the development of I-III categories of soils; with medium protruding knives (MPK) - for the development of dense IV-V categories or with stepped knives - for the development of hard, strong soils, etc. The process of their interaction with the maximum formation of the prism of drawing the soil before the blade, using the graphic-analytical method of research, was investigated.Outcomes. Studying the processes of interaction of WO and bulldozer knives with different categories of soils, rational designs of knives designed for the development of various categories of soils were established. The optimal parameters of the blade with the maximum set of the drawing prism before the blade are determined. Also, the blade is equipped with side knife extenders, upper visors and side bevels. The radius of curvature of the blade in the cross-section corresponds to the natural angle of chip formation of the soil layer, which allows to reduce the resistance of digging the soil.Discussion and conclusion. Until now, scientists of the CIS and foreign countries in the field of WO ETM of the waste type have studied in detail in theoretical terms and experimentally established promising designs of WO and bulldozer knives. Numerous methods for determining the parameters of the WO of the bulldozer depending on the category of the developed soil and taking into account the traction factor of the propulsion system, etc. However, they missed the study, with the maximum set of the prism of drawing the soil in front of the blade, its area of contact from the frontal surface of the blade and at the same time, adapted in the cross-section of the blade (radius of curvature of the blade) with the natural trajectory of chip formation of the soil layer.Taking into account these provisions, we have developed several options for the location of knives on the blade, taking into account the developed categories of soils:- a bulldozer blade with side bevels of the frontal surface for soft (sandy) soils;- bulldozer blade with MPK, side scarves and upper side bevels for strong, clay soils;- bulldozer blade with side bevels and side knives-extenders for loosened soils;- bulldozer blade with MPK, side scarves, side knives-extenders and upper bevels for densely strong soils (medium loam). For all these options (4 types of blade) blade design and knife location, it is recommended to determine the optimal parameters of the blade, taking into account the development of the soil category.
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FUKAGAWA, Ryoichi, Tatsuro MURO, and Takao SUZUKI. "A study on fuzzy control of bulldozer blade." Doboku Gakkai Ronbunshu, no. 444 (1992): 77–85. http://dx.doi.org/10.2208/jscej.1992.444_77.

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4

Ito, Nobutaka, Koji Kito, and Xiu Lun Wang. "Special issue. Earth & Robot. Robotized Bulldozer Blade Control." Journal of the Robotics Society of Japan 12, no. 7 (1994): 937–42. http://dx.doi.org/10.7210/jrsj.12.937.

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5

Pramanik, Parthasarathi, Raghvendra K. Vidua, and Sweta Patel. "Severing of skull cap: A rare trauma attributed to transportation of bulldozer." Medico-Legal Journal 85, no. 1 (October 31, 2016): 43–46. http://dx.doi.org/10.1177/0025817216677008.

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Bulldozer fatalities are usually due to accidental crushing of the body at the workplace. However, severance of the skull cap simulating a chopping injury to head is rare in the literature. Medico-legal investigation may be posed with different challenges when carrying out an autopsy of a victim with this devastating head injury. The police will seek an opinion about the type of weapon responsible for the injuries, the nature of injuries produced and manner of death. In the present case, the victim was hit at dusk by a protruding part of the bulldozer blade as he crossed in front of a bulldozer that was approaching his tractor from the opposite side of the road. His skull cap was severed and he died instantly. This report considers the circumstances of his death, its mechanisms and strategies for preventing such deaths.
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Lee, Yong-Seok, Sang-Ho Kim, Jongwon Seo, Jeakweon Han, and Chang-Soo Han. "Blade control in Cartesian space for leveling work by bulldozer." Automation in Construction 118 (October 2020): 103264. http://dx.doi.org/10.1016/j.autcon.2020.103264.

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7

Y. Franco, D. Rubinstein, and I. Shmulevich. "Prediction of Soil-Bulldozer Blade Interaction Using Discrete Element Method." Transactions of the ASABE 50, no. 2 (2007): 345–53. http://dx.doi.org/10.13031/2013.22625.

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8

Selech, Jarosław, Dariusz Ulbrich, Konrad Włodarczyk, Żaneta Staszak, Jacek Marcinkiewicz, Dawid Romek, and Bartosz Baran. "A working design of a bulldozer blade as additional equipment of a compaction drum roller." MATEC Web of Conferences 254 (2019): 04005. http://dx.doi.org/10.1051/matecconf/201925404005.

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The main purpose of the performed works was to develop a concept of a bulldozer blade mounted to the road roller. The paper presents the main assumptions, design stages, results of strength analyses of the blade, which can be used in a road roller. Because the elements that push the components of machines operating on construction sites, in mines and in the agricultural environment, the elaborated element would enable wider use of the roller. Based on the FEM analyses, it has been confirmed that the developed load bearing structure is characterized by full operating strength. The designed blade meets the initial assumptions and can be used as equipment of heavy machines.
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9

Tekeste, Mehari Z., Thomas R. Way, Zamir Syed, and Robert L. Schafer. "Modeling soil-bulldozer blade interaction using the discrete element method (DEM)." Journal of Terramechanics 88 (April 2020): 41–52. http://dx.doi.org/10.1016/j.jterra.2019.12.003.

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10

Sopiyan, Sopiyan, Syamsuir Syamsuir, and Yos Nofendri. "EVALUASI HASIL HARDFACING ELEKTRODA HV 350 PASCA QUENCHING MEDIA AIR, COOLANT DAN OLI." JURNAL KAJIAN TEKNIK MESIN 4, no. 2 (September 27, 2019): 104–7. http://dx.doi.org/10.52447/jktm.v4i2.1778.

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AbstrakTeknik hardfacing merupakan pengerasan permukaan dengan menambahkan unsur atau lapisan terertentu agar sifat logam induk menjadi lebih keras. Pada blade buldozer umumnya dikeraskan dengan memberikan lapisan hasil pengelasan dengan elektroda khusus. Elektroda tersebut memiliki sifat kekerasan yang tinggi, sehingga blade pada buldozer tidak cepat aus. Dalam penelitian ini akan dilakukan dua kali proses quenching. Pertama dengan menggunakan air ketika selesai proses pengelasan. Kemudian dilanjutkan dengan pemanasan kembali dalam tungku kemudian dilanjutkan dengan proses quenching dengan dua media yang berbeda yaitu oli dan coolant. Dari hasil yang penelitian didapatkan hasil kesimpulan, media coolant merupakan media yang paling optimal dalam meningkatkan kekerasan dari hasil hardfacing. Nilai kekerasan yang didapatkan dari hasil pencelupan dengan media coolant adalah sebesar 299,73 HV Kata kunci: Hardfacing, HV 350, Quenching dan Kekerasan AbstractHardfacing technique is surface hardening by adding certain elements or layers so that the nature of the parent metal becomes harder. On the bulldozer blade is generally hardened by giving a layer of welding results with special electrodes. The electrode has high hardness properties, so the blade of the bulldozer does not wear out quickly. In this research two quenching processes will be carried out. First by using water when the welding process is complete. Then proceed with reheating in the furnace then proceed with the process of quenching with two different media namely oil and coolant. From the results of the study concluded, coolant media is the most optimal media in increasing the hardness of the results of hardfacing. The hardness value obtained from the dyeing with coolant media is 299.73 HV Keywords: Hardfacing, HV 350, Quenching and Hardness
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Dissertations / Theses on the topic "Bulldozer blade"

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Войціховський, Микола Романович, and Mykola Voitsihovskyi. "Вдосконалення технологічного процесу виготовлення відвалу бульдозера." Bachelor's thesis, 2021. http://elartu.tntu.edu.ua/handle/lib/35703.

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Кваліфікаційна робота на здобуття освітнього рівня бакалавр на тему: "Вдосконалення технологічного процесу виготовлення відвалу бульдозера", виконана студетном групи МЗс-41 Войціховським М.Р.. Кваліфікаційна робота складається із пояснювальної записки і графічної частини. Об'єм пояснювальної записки 51 аркушів формату А4 об'єм графічної частини 5 аркушів формату А1. Основні частини пояснювальної записки: аналітична, технологічна, конструкторська, безпека життєдіяльності та основи охорони праці. В графічній частині кваліфікаційної роботи зображено технологічний процес виготовлення відвалу бульдозера, кондуктор для зварювання відвалу бульдозера, опорна рама складально-зварювального пристосування. Розрахунково-пояснювальна записка містить в собі 14 рисунків, 6 таблиць та додатки. При написанні розрахунково-пояснювальної записки використано 11 літературних джерел. В даній кваліфікаційній роботі розроблено технологію та вибрано зварювальне устаткування для зварювання відвалу бульдозера моделі Shehwa SD7.
Qualification work for obtaining a bachelor's degree on the topic: "Improvement of a bulldozer blade production process", done by student Voitsihovskyi М.R. group MZs-41. Qualification work consists of an explanatory note and a graphic part. The volume of the explanatory note is 51 sheets of A4 format, the volume of the graphic part is 5 sheets of A1 format. The main parts of the explanatory note: analytical, technological, design part, life safety and basics of labor protection. The graphic part of the qualification work shows the technological process of production the bulldozer blade, the Conductor for welding the bulldozer blade, support frame of the assembly and welding device. The settlement and explanatory note contains 14 figures, 6 tables and appendices. 11 literary sources were used in writing the explanatory note. In this qualification work the analysis of questions at the expense of improvement of technological process and the equipment for production the blade of bulldozer Shehwa SD7.
Вступ 1. Аналітична частина 1.1 Опис конструкції зварного виробу 1.2 Характеристика матеріалу зварного виробу 1.3 Технічні умови на виготовлення зварного виробу. 1.4 Аналіз базового технологічного процесу виготовлення зварного виробу та постановка задач на проектування. 2. Технологічна частина 2.1 Обґрунтування способу зварювання 2.2 Вибір і обґрунтування основного зварювального устаткування. 2.3 Вибір методу контролю якості виробу 2.4 Опис запропонованого технологічного процесу виготовлення зварного виробу 2.5 Нормування витрат матеріалів та електроенергії 3. Конструкторська частина 3.1 Вибір та розрахунок елементів основного чи додаткового зварювального устаткування 3.2 Розрахунок зварних з’єднань на міцність. 4. Безпека життєдіяльності та основи охорони праці 4.1 Оцінка шкідливих факторів, які діють в зварювальному цеху (дільниці). Заходи для зменшення їх впливу 4.2 Розрахунок природного освітлення для зварювальної дільниці 4.3 Пожежна профілактика в зварювальній дільниці Висновки Перелік посилань Додатки
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2

Fleming, Sean W. "Bulldozer blades and colliding submarine mountain chains : constraints on central Oregon convergent margin tectonics from magnetics and gravity." Thesis, 1996. http://hdl.handle.net/1957/29362.

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Magnetic and gravity modelling was completed along two E-W transects offshore central Oregon. These models indicate that the backstop-forming western edge of the Siletz terrane has a seaward dip of approximately 40° to 49° at 44°48'N, shallowing to ~28° at 44°1 1 'N. This is a well-determined result, given available a priori information, to a depth of ~7 km. The edge of the Siletz terrane may continue to descend at these dips to the JdF plate, but alternate geometries for the lowermost portion of the backstop are also consistent with the potential field data. The magnetic data also require progressive eastward demagnetization of the subducting JdF crust, which is most likely due to heating of the descending oceanic plate to the Curie temperature. Our southern transect reveals that Heceta Bank is cored by relatively high-density sediments (~2.54 g/cc), consistent with the model proposed by Kulm and Fowler (1974) for submarine bank formation in the Oregon convergent margin. On the basis of magnetic, gravity, and velocity data, we tentatively interpret a deeply buried, linear aseismic ridge to be present beneath the accretionary complex from about 45°N to 42°N. This ridge may collide with the backstop beneath Heceta Bank and may play a role, in concert with imbricate thrust faulting, in the formation of Heceta Bank's high density core. We also speculate that differences in depth to the JdF plate due to juxtaposition of different-aged crust across pseudofaults which intersect the coast at Nehalem and Heceta Banks may be a factor in the construction of these topographic highs.
Graduation date: 1997
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Books on the topic "Bulldozer blade"

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Parker, Philip M. The World Market for Bulldozer or Angledozer Blades: A 2007 Global Trade Perspective. ICON Group International, Inc., 2006.

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Fleming, Sean W. Bulldozer blades and colliding submarine mountain chains: Constraints on central Oregon convergent margin tectonics from magnetics and gravity. 1996.

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Book chapters on the topic "Bulldozer blade"

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Voskresenskiy, Gennadiy, and Evgeniy Kligunov. "Formation of a Soil Wedge by a Bulldozer with a Controlled Blade." In International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies EMMFT 2019, 117–26. Cham: Springer International Publishing, 2020. http://dx.doi.org/10.1007/978-3-030-57450-5_11.

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Conference papers on the topic "Bulldozer blade"

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Bulgakov, Alexey, Thomas Bock, and Georgii Tokmakov. "Mechatronic Control System for Leveling of Bulldozer Blade." In 37th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 2020. http://dx.doi.org/10.22260/isarc2020/0076.

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Sane, Akshay, Tamer M. Wasfy, Hatem M. Wasfy, and Jeanne M. Peters. "Coupled Multibody Dynamics and Discrete Element Modeling of Bulldozers Cohesive Soil Moving Operation." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-47133.

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Multibody dynamics and the discrete element method are integrated into one solver for modeling the excavation and moving operation of cohesive soft soil (such as mud and snow) by bulldozers. A soft cohesive soil material model (that includes normal and tangential inter-particle force models) is presented that can account for soil flow, compressibility, plasticity, fracture, friction, viscosity, gain in cohesive strength due to compression, and loss in cohesive strength due to tension. Multibody dynamics techniques are used to model the various bulldozer components and connect those components using various types of joints and contact surfaces. A penalty technique is used to impose joint and normal contact constraints. An asperity-based friction model is used to model joint and contact friction. A Cartesian Eulerian grid contact search algorithm is used to allow fast contact detection between particles. A recursive bounding box contact search algorithm is used to allow fast contact detection between the particles and polygonal contact surfaces. The governing equations of motion are solved along with joint/constraint equations using a time-accurate explicit solution procedure. A numerical simulation of a bulldozer performing a shallow digging operation in a cohesive mud-type soil is presented to demonstrate the integrated solver. The solver can be used to improve the design of the various bulldozer components such as the blade geometry, tire design, and track design.
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Mononen, Teemu, Jouni Mattila, and Antti Kolu. "Blade Control for Surface Profile Tracking by Heavy-Duty Bulldozers." In ASME/BATH 2021 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/fpmc2021-68656.

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Abstract The bulldozer is a heavy-duty earthmoving machine used in ground surface profiling and soil manipulation. Tracking the desired surface gradients with the hydraulically actuated manipulator while compensating for the mobile base motion is important in high-performance surface grading and traction control. In this paper, we present an approach for surface elevation tracking control for earthmoving work done by bulldozers using inertial measurement units (IMUs) and roof mounted global navigation satellite system (GNSS) antennas. We use mapping between the desired surface profile and hydraulic actuator velocities using the elevation surface and its gradient, the mobile manipulator Jacobian, and mobile base pose estimation by the extended Kalman filter (EKF) framework. With the proposed method, a relatively simple low-level actuator space control scheme can produce sufficient accuracy in varying elevation requirements besides leveling work. In an experimental setup, flat and uneven surface profiles were followed with average errors below 2 cm computed using kinematics. An external GNSS survey gave a coarse verification of the actual surface profile, showing average errors below 4 cm. This paper demonstrates a blade controller on a heavy-duty tracked vehicle with high manipulator inertia, hydraulic dynamics, and body vibrations. The experimental results validate the efficacy of the proposed method, also revealing the needs for further development.
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Fukagawa, Ryoichi, and Tatsuro Muro. "Automatic Level Control of Bulldozer Blade Based on Fuzzy Theory." In 9th International Symposium on Automation and Robotics in Construction. International Association for Automation and Robotics in Construction (IAARC), 1992. http://dx.doi.org/10.22260/isarc1992/0094.

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Mononen, Teemu, Mohammad M. Aref, and Jouni Mattila. "Nonlinear Model Predictive Control of a Heavy-Duty Hydraulic Bulldozer Blade." In 2019 IEEE International Conference on Cybernetics and Intelligent Systems (CIS) and IEEE Conference on Robotics, Automation and Mechatronics (RAM). IEEE, 2019. http://dx.doi.org/10.1109/cis-ram47153.2019.9095816.

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Miedema, Sape A. "The Bulldozer Effect When Cutting Water Saturated Sand." In ASME 2012 31st International Conference on Ocean, Offshore and Arctic Engineering. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/omae2012-83296.

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In the last decennia a lot of research has been carried out into the cutting of water saturated sand at small cutting angles, especially at the Delft University and Deltares. Because of tunnel boring machines there was also interest in larger cutting angles in the 90’s. Now this can also be applied to the bulldozer effect in front of drag heads or the dragging of ice keels resulting in soil displacements under gouges. At small cutting angles the sand will flow over the blade according to the flow type of cutting mechanism, however at large angles a wedge will occur in front of the blade, while at very large cutting angles the sand will be pushed under the blade. Based on FEM calculations of the pore pressures a method has been developed named the parallel resistor method, in order to determine the pore pressures in the water saturated sand. Once these pore pressures are known, the forces and moments can be determined and it can be predicted at which cutting angle a static wedge will start to occur and at which cutting angle the sand will start to move under the blade resulting in much larger soil deformations. The paper will describe the model and also give a recipe on how to determine when the static wedge will occur.
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Mononen, Teemu, Jouni Mattila, and Mohammad M. Aref. "High-Level Controller for High Productivity Earthmoving by Tracked Bulldozers." In BATH/ASME 2020 Symposium on Fluid Power and Motion Control. American Society of Mechanical Engineers, 2020. http://dx.doi.org/10.1115/fpmc2020-2749.

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Abstract The bulldozer is a heavy-duty earthmoving machine generating tractive force between its tracks and ground to cut and push soil with an onboard blade. The productivity of the machine is determined by the amount of soil moved per hour, which is influenced by the travel speed and the amount of material carried by the blade. In this paper, we present a high-level controller for a hydraulic bulldozer to drive the machine’s track slip to a value corresponding to maximum soil removal power. The proposed system sets online reference signals for the blade elevation and track velocity to produce a smooth ground profile and high productivity. The primary traction control strategy manipulates the load on the machine by blade adjustments. When a track slip threshold is exceeded, track velocity control is used to limit the slip to the said value. A comparison to blade-only control strategy shows improvements in ground profile smoothness and productivity on uneven terrain without any prior knowledge of the worksite ground profile.
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Dror Rubinstein, Itzhak Shmulevich, and Yaron Franco. "Prediction of the forces of blade penetration and build-up heap in front of the blade during bulldozer operation." In 2011 Louisville, Kentucky, August 7 - August 10, 2011. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2011. http://dx.doi.org/10.13031/2013.38110.

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