Safety Investment Analysis of Construction Enterprises Based on System Dynamics

Abstract

Combining the existing safety input data and characteristics, this paper uses the dynamic change method to solve the safety input problem. The origin, flow and characteristics of safety investment are analyzed, the skills of system dynamics modelling and the simulation modeling software Vensim are used to build the model, including models of safety precaution, safety control and accident risk transfer etc. Through simulation modeling, the configuration effects under different configuration schemes in an enterprise are completely decomposed. The results show that the effects of different configuration schemes on accident frequency, loss value and total accidents counts be obtained by applying the model built, which has great positive significance and practical value for dynamic safety investment.