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Improving transportation safety of injured persons by taking into account the biomechanical characteristics of the human body

100%

Gogiashvili P. , Lekveishvili R. , LekveishvilI G.

2021

tom T. 16, z. 4

107--119

Ambulance vehicles play a vital role in sustaining the life of injured persons and should a provide safe transportation route to the medical institution. Transportation of injured patients in severe/critical conditions should be carried out with high caution, as there is no guarantee that patients’ health will not be harmed. The goal of this study is to minimize exposure to the external factors such as random shocks, sharp jumps, vibrations caused by irregular roads, speed breakers, weather, etc., that could influence the tasking ability of the medical team and further threaten the life of the already injured patient. This topic has not been widely researched and still requires implementation of novel standards that should improve the safety of the patient. This article aims to define the biomechanics of cabin occupant safety, introduce ways of collecting live data and develop new mechanisms that would allow safer transportation of patients without any meaningful health deterioration causing by the above-mentioned external factors. This study will identify safety hazards in the ambulance environment and determine the effectiveness of suggested countermeasures to mitigate any further injury or deterioration of the patient’s health.

Optimizing the time costs of passenger transport of people with disabilities

75%

Gogiashvili P. , Chogovadze J. , Lekveishvili G. , Kbilashvili D. , Sirbiladze B. , Dograshvili V.

tom T. 14, z. 2

123--133

The paper dwells on a mathematical model of the logistical system of transport services for persons with disabilities, and there have been analyzed factors that affect the time spent on their transportation. When developing methodology for optimizing the time costs of passenger transport of persons with disabilities, the following two basic transportation services have been taken into account: (a) "social taxi", which will transport only people with special health; (b) a vehicle system in combination with urban passenger transport, which will transport representatives of the group of people with restricted mobility together with all other passengers. The study found that in the case of insufficient accessibility to the required environment, by the increase in the demand of disabled people for transportation by "social taxi", travelling costs are increased that results in increasing total costs of the carrier. Based on a comparative analysis of logistical costs, optimum relationship between the number of the adapted buses and “social taxi” on the route under study has been established.