the national bridge stock of iran consists of about 330,000 bridges, of which around 50% are older than 30 years. since 2010, iran road maintenance & transportation organization has started implementing a comprehensive bridge management system in order to manage this aged stock efficiently. to predict future conditions of bridge stock, a heuristic numerical method is presented. this methodology...

Maintenance Prevention (MP) is an important concept for ensuring reliability and maintainability of manufacturing facilities by providing various information collected during actual operations (MP information) to their design phase. However, in many cases, information collected in the shop floor is not detailed and/or accurate enough to make use of it in the design phase. In this paper, we prop...

this paper presents the steady state behavior and maintenance planning of the bleaching system in a paper plant. the paper plant comprises of various systems including feeding, chipping, digesting, washing, bleaching, screening, stock preparation and paper making, etc. one of the most important functionaries of a paper plant, on which quality of paper depends, is the bleaching system, where rem...