Principles for selecting a system of construction machines and evaluating their productivity
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Models constructed on the basis of network graphs to describe the operation of systems of construction machines can be used to derive simple analytical equations for determining the configurations and productivities of such systems.
The concept of a master equipment is not always justified in defining the configuration of a system.
In calculating the productivity of a system from the proposed equations, it is not necessary to introduce the shift time-utilization factor, because technological downtimes are automatically included in the operation of the system.
The calculation of system productivity in matrix from can be implemented for both homogeneous and heterogeneous systems. The calculations can also be carried out for probabilistic systems, in which case computer engineering and pseudorandom-number generators are required.
KeywordsCritical Path Idle Time Network Graph Barge Modeling Period
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