This paper studies scheduling of inbound trucks at the inbound doors of a cross-dock facility under truck arrival time uncertainty. Arrival time of an inbound truck is considered to be unknown. In particular, the cross-dock operator only acknowledges the arrival time window of each truck, i.e., the lower and upper bounds of any inbound truck’s arrival time. In absence of any additional informat...

More than 50-60% of minerals in Russia and the CIS countries are mined an open-pit or mining quarry, as it is most economical productive. JSC "CC Kuzbassrazrezugol" ranks second terms total coal production among regions Russian Federation first Kuzbass. Quarry dump trucks main mode technological transport when transporting rock. An important task facing road to reduce cost transported products....

Sistem penambangan batubara di Tambang Banko Pit 1 Utara adalah strip mining dengan sistem shovel-dump truck. Jenis material terdiri dari top soil, claystone, siltstone strength 0,2 – 3 Mpa dan sebagian perlu diledakkan. Untuk menunjang kinerja excavator dilakukan pemberaian overburden terlebih dahulu menggunakan ripper Komatsu D375A-5. Berdasarkan nilai kuat tekan (strength) material, spesifik...

background: the municipal solid wastes (msws) are disposed in open dumps, which have no leachate collection and removal system, in the caspian region of iran. leachate readily reaches the nearby water resources such as streams, rivers, lakes, and sea. therefore, understanding the quality and quantity of open dump leachate is vital to the proper treatment of leachate. methods: the leachate sampl...

in the present paper, the idea of braking energy regeneration and reusing that energy during acceleration for a refuse truck is comprehended. according to their driving cycle, the refuse trucks have a good potential for braking energy regeneration. on the other hand, hydraulic hybrid is a powertrain with high power density which is appropriate for energy regeneration. in the primary stage of th...

A large number of people work with garbage collection, and exposure to microorganisms is considered an occupational health problem. However, knowledge on microbial exposure at species level is limited. The aim of the study was to achieve knowledge on waste collectors' exposure to airborne inhalable fungal and bacterial species during waste collection with focus on the transport of airborne micr...

BACKGROUND The aim of the study was to answer the question what is the audibility area of auditory danger signal emitted by an industrial truck in the noisy environment. MATERIAL AND METHODS The sound pressure level of the signal produced by the truck horn was measured in 12 directions around the truck, at a distance of 2 to 10 m. It was analyzed, in which places around the truck, auditory da...

The aim of this study was to summarise the scientific evidence on the prevalence of psychoactive substance use and on the factors associated with their intake among truck drivers. A systematic review was performed in the databases PubMed, Scientific Electronic Library Online, Latin American and Caribbean Health Sciences, and Cochrane and 36 cross-sectional studies were identified with quantitat...

work-related musculoskeletal disorders (wmsds) are common among drivers and official workers. musculoskeletal disorders are frequent causes of absenteeism in many countries. the aim of this study was to determine the prevalence of musculoskeletal disorders and risk factors associated with these symptoms. a total of 346 workers and truck drivers were participated in this case-control study. all ...

Freight trucks are an important component of the nation s highway traffic. Due to their physical and operational characteristics, they can significantly impact traffic system performance, safety, and the travel experience of non-truck drivers. Methodological gaps exist in the literature on modeling car–truck interactions that do not result in crashes, especially those resulting from non-truck d...