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Keywords = tamping rammer

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12 pages, 3267 KiB  
Article
The Study of the Dynamic Behavior for a Tamping Rammer
by Radu Mircea Morariu-Gligor
Symmetry 2022, 14(5), 980; https://doi.org/10.3390/sym14050980 - 11 May 2022
Cited by 1 | Viewed by 5613
Abstract
The paper presents a mechanical and a mathematical model, developed by the author for the study of the dynamical behavior of a tamping rammer. At first, some aspects related to the compaction of soil for construction works are presented. In this study, the [...] Read more.
The paper presents a mechanical and a mathematical model, developed by the author for the study of the dynamical behavior of a tamping rammer. At first, some aspects related to the compaction of soil for construction works are presented. In this study, the soil was modeled using the Kelvin–Voigt model. To validate the mathematical model, a program written in C language, that allows to analyze the parameters that influence the operation of the tamping rammer, was developed. Three constructive variants of tamping rammers, following the variation of the displacements of the frame and the sole and the variation of the impact force were analyzed. In the final part, the variation of the studied parameters is illustrated by means of graphical representations. The variation of the studied parameters becomes symmetrical, related to an equilibrium position. Using the application, developed by the author, the variation of the sole and frame displacements, and the variation of the impact force can be traced. The numerical results obtained by running the application, (using three sets of input data), demonstrate the accuracy and the correctness of the proposed mathematical model by analogy with the values provided by the manufacturers. Finally, further research in this field is presented. Full article
(This article belongs to the Special Issue Symmetry in Theoretical and Applied Mechanics)
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