Abstract
The formation process of a soil wedge performed by a bulldozer with a controlled blade is considered. The most effective trench earthwork method for soil or rocks was implemented. The volume of the soil wedge moving through the trench increases by 15–20% compared with the layer by layer excavation. The use of a hydraulic drive allows improving the capabilities of working equipment. The operating process of the soil wedge formation and transportation performed by a hydraulic bulldozer with blade tilt in the transverse plane and a variable blade installation angle (back and forth) is analyzed. The blade tilt and installation angle variability can increase the bite depth of the blade when tilting forward and provide an increased productivity. The movement of the bulldozer on a horizontal track section when operating using a trench method is adopted as assumption. As a result, the calculated correlations for determining the soil wedge volume of the bulldozer were obtained, and the forces of resistance to the wedge transportation in the trench method were determined. The soil volume in front of the blade increases due to the increase in the wage base length, and the soil volume located above the blade decreases with a general increase in the soil wedge volume. New design also allows increasing the volume of the soil wedge and increasing the productivity of the bulldozer with a slight increase in the energy consumption of the wedge moving process.
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Voskresenskiy, G., Kligunov, E. (2021). Formation of a Soil Wedge by a Bulldozer with a Controlled Blade. In: Murgul, V., Pukhkal, V. (eds) International Scientific Conference Energy Management of Municipal Facilities and Sustainable Energy Technologies EMMFT 2019. EMMFT 2019. Advances in Intelligent Systems and Computing, vol 1258. Springer, Cham. https://doi.org/10.1007/978-3-030-57450-5_11
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DOI: https://doi.org/10.1007/978-3-030-57450-5_11
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