نتایج جستجو برای: mining trucks

تعداد نتایج: 89428  

Journal: :Sustainability 2023

In the production process of open-pit mines, trucks are applied in mines for transporting ores and rocks. Most equipped with dozens trucks. It is important to plan dispatch so that transportation can be shortest distance, lowest cost, most efficient. At present, many mining enterprises have realized use dispatching systems schedule complete tasks. However, these methods mostly designed deploy r...

Journal: :Eurasian mining 2021

This article considers one of the approaches to solving problem improving efficiency functioning unmanned open pit transport. The actual data on movements robotic dump trucks within framework a continuous transport and technological cycle at mining sites coal mine are analyzed. During study, movement times in loaded empty states recorded. In addition, time passing by individual sections route i...

In a supply chain, cross-docking is one of the most innovative systems for ameliorating the operational performance at distribution centers. Cross-docking is a logistics strategy in which freight is unloaded from inbound trucks and (almost) directly loaded into outbound trucks, with little or no storage in between, thus no inventory remains at the distribution center. In this study, we consider...

Journal: : 2021

Purpose. To substantiate a rational schedule for the combined dragline-truck operation taking into consideration coefficient of mining in context pit. Methodology. Mathematical and graphical modeling was involved while determining concentration pit as well feasibility analysis to select procedure scheme dragline operation. Findings. Recommendations selection operation, truck loading Motronivsko...

Journal: :archives of trauma research 0
sebastian decker trauma department, hannover medical school, hannover, germany; trauma department, hannover medical school, hannover, germany. tel: +49-5115322026, fax: +49-5115325877 dietmar otte accident research unit, hannover medical school, hannover, germany christian walter muller trauma department, hannover medical school, hannover, germany mohamed omar trauma department, hannover medical school, hannover, germany christian krettek trauma department, hannover medical school, hannover, germany carl haasper trauma department, hannover medical school, hannover, germany

background while cyclists and pedestrians are known to be at significant risk for severe injuries when exposed to road traffic accidents (rta) involving trucks, little is known about rta injury risk for truck drivers. objectives the aim of this study was to analyze the injury severity in truck drivers following rtas. patients and methods our local accident research unit prospectively documented...

2009

Haul truck future TIMES have been hard for the major truck manufacturers with a number of major mining projects on hold, particularly pressurising the ultra-class market where the key contracts are relatively few and far between, compared to lower-capacity classes. The following details developments at Caterpillar and Liebherr, but also reveals for the first time BELAZ’s plans to roll out key m...

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