Investigation of Vibration Machine Interaction With Compacted Concrete Mixture

Abstract

Dynamic system calculation scheme "Vibrating machine is compacting medium", where the latter is represented as a system with distributed parameters is compiled. As a result of the wave equation of oscillations solution, the law of compacting medium deformation over the entire thickness of the concrete layer is determined depending on the increasing density of the molded mixture, its physico-mechanical characteristics, the thickness of the concrete layer, the mass of the oscillating part of the vibrating machine, the frequency and amplitude of the disturbing force, elastic suspension stiffness and coefficient inelastic resistance. Changes in the compacting concrete medium resistance forces during the vibration compaction, depending on its consistency are determined.

Determining the regions of stability in the motion regimes and parameters of vibratory machines for different technological purposes

“…However, the proposals are aimed at ensuring an increase in the vibration protective properties only in a narrow field of spring mass resonance. The methodology for converting a discrete elastic-plastic model into a continual model reflects the views by the authors of [15]. This very approach, reported in [15], deserves special attention.…”

“…The methodology for converting a discrete elastic-plastic model into a continual model reflects the views by the authors of [15]. This very approach, reported in [15], deserves special attention. Therefore, it is advisable to conduct a study aimed at determining the movement and establishing the stability zones by reducing a combined discrete-continual model to the discrete one.…”

“…Considering (15), after simple transforms, we obtain an expression for the maximum value of the phase angle:…”

The Development of Planar Deep-Seal Ready Mix Concrete

“…МАТЕРИАЛ И РЕЗУЛЬТАТЫ ИССЛЕДОВА-НИЙ. На основании предварительно проведенных теоретических исследований [8][9][10] был разработан плоскостной глубинный уплотнитель, снабженный вибровозбудителем круговых колебаний (рис. 1 -2).…”