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Showing 1 to 5 of 5 for “"tamping"”.
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Discrete Element Modeling of Railway Ballast for Studying Railroad Tamping Operation
… the behavior of ballast particles during tamping is addressed in a simulation study, with the goal of optimizing the railroad tamping operation. A comprehensive literature review of applicability of DEM techniques in modeling the behavior of railway ballast is presented and its feasibility …
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Discrete Element Modeling of Railway Ballast for Studying Railroad Tamping Operation
… ballast particles during their interaction with tamping tines in tamping operation is studied by developing a simulation model using the Discrete Element Model (DEM), with the aim of optimizing the railroad tamping operation. A comprehensive literature review is presented showcasing the …
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Three-Dimensional Stability/lateral Shift Analysis of Continuous Welded Rail (Cwr) Track and Innovative Methods to Enhance CWR Track Performance
… can eliminate or reduce slow orders following tamping or track surfacing to improve railroad productivity.
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Investigation of Novel Displacement-Controlled Hydraulic Architectures for Railway Construction and Maintenance Machines
… namely squeezing the ballast and vibrating the tamping tools of the work-heads. This results in many advantages, such as variable amplitude and variable frequency of the tamping tools’ vibration, improved reliability of the tamping process, and energy efficient actuation. A motion of the squeeze …
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Experimental study of shear behaviour of high density polyethylene reinforced sand under triaxial compression
… and 100 mm height were prepared using the dry tamping technique. The test specimens were compacted to achieve target average dry densities of the composite sample. The plastic strip reinforcement parameters comprised of 7.5 mm to 30 mm lengths, and concentrations of 0.1 % to 0.3 % by weight of …