Modelling of hydraulic shears operation with an eccentric intensifier in order to increase efficiency and decrease energy costs

A. S. Belikov, K. A. Kirnos, I. N. Sichko, U. G. Sharanova

Abstract


Purpose. There are a number of different equipment for the destruction of the concrete during the renovation or demolition. A common drawback of most of this equipment is that they perform only the process of destruction by the forces of compression. As is known, concrete works well on contraction and therefore for its destruction requires a large effort. It is necessary to create a new or improvement of known equipment for the destruction of the concrete during the demolition of buildings and structures to improve the efficiency of the process, taking into account the demolition of reference works security. Methodology. A study of the equipment was carried out by a physical simulation of concrete failure process. Findings. According to the study of concrete failure process established rational parameters of hydraulic shears with intensifier. Improvement of equipment for demolition will allow to destroy the concrete with greater productivity and efficiency, while providing a high level of security. Originality. Known equipment for concrete deterioration is a common drawback - they only work in compression. There is a need to improve the well-known and the creation of new equipment for the destruction of the concrete during the demolition of buildings and structures. The proposed equipment will improve the performance of practical significance. Practical value. Using the equipment for the destroying of concrete with the intensification can improve the efficiency of the process of concrete destruction demolition of buildings and structures, at the same time reduce energy consumption and extend the life of hydraulic equipment.

Keywords


demolition of buildings and structures; intensification; eccentric mechanism; destruction of concrete; reconstruction; increasing safety

References


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