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Safety topic as the same as many topics in transportation system, impresses many factors and is influenced by the other factors. In Iran the most attention was concentrated in executive engineering activities and it was conceived that with only physical adjustments, accident rate will be reduced. In recently years identification and remedying of Accident prone zones was considered by experts, but...
A number of models have been used for estimating frequency of accidents. Weighted and simple linear regressions are common and in the recent years artificial neural network models have also been used as prediction models of accidents. Researchers need to select and use some models with the best performance particularly with the minimum of mean square errors. In this paper, traffic volume, surface...
Routing problem is a serious concern of road safety in Hazmat transportation due to their accident impacts. A number of mathematical models have been developed to determine the route of hazmat transportation to minimize the risk and impacts and solution approach have been considered regarding to their characteristics such as network size and type of variables. In this paper, mathematical models and...
Based on detailed analysis of maritime emergency plans, maritime emergency evaluation index system is established. The index system is characterized by the complicated hierarchy structure and multiple index attributes, the improved fuzzy synthesize evaluation method is used to evaluate the maritime emergency plans comprehensively. Qualitative evaluation and quantitative evaluation are combined, and...
Crushing energy has to sufficiently be absorbed in order to save the protections of passengers in a car accident. There have been a set of studies on the crushing energy absorption of a fundamental construction in automobiles. In this paper, the purpose concerns the crashworthiness of the widely used vehicle structure, triangular thin-walled tubes with ±45° and 0/90° fiber orientation. An experimental...
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