the paper investigates into the vibrational characteristics of the truck chassis including the natural frequencies and mode shapes. truck chassis forms the structural backbone of a commercial vehicle. when the truck travels along the road, the truck chassis is excited by dynamic forces caused by the road roughness, engine, transmission and more. modal analysis using finite element method (fem) ...

Much of the early 1860s discontent with railRepresentatives). This deregulatory action perroads was centered in agricultural regions, parmits greater reliance on the marketplace for purticularly the new regions of the West, where poses of rate determination. Accordingly, many monopolistic price discrimination was most easproducers and agricultural shippers believe that ily practiced by railroad...

This paper explores the effect of competition on prices and frequencies for Interurban rail market in Europe. Intramodal is assessed by Herfindahl-Hirschman Index (HHI). Intermodal takes into account new types service such as coach carpooling services. The originality analysis stems from method database used. results show that intra-modal has a significant impact but not economy class because o...

BACKGROUND Several studies indicate that truck drivers have an increased risk of lung cancer, but few studies have examined lung cancer risk in heavy equipment operators. Workers in both occupations are exposed to diesel exhaust. AIMS To examine the incidence and mortality from lung cancer among truck drivers and among drivers of heavy vehicles. METHODS A computerised register of Swedish co...

At cross docking terminals incoming deliveries of inbound trucks are unloaded, sorted, moved across the dock and nally loaded onto outbound trucks, which immediately leave the terminal towards their next destination in the distribution chain. Accordingly, a cross dock is a consolidation point in a distribution network, where multiple smaller shipments can be merged to full truck loads in order ...

Technology has changed trucks significantly over the years. As a result, consumer expectations, in terms of performance, have risen. In Western society, the comfort of products has developed into an important issue. Truck manufacturers recognize comfort as one of the major selling point, as it is thought to play an important role for buyers as well. In addition, employers are getting interested...

OBJECTIVES The present study aimed to investigate the illicit drug use patterns of long-distance truck drivers. This population is considered to be a special interest group in terms of drug-driving research and policy due to high rates of use, involvement of drugs in truck accidents, and the link between drug use and work-related fatigue. METHODS Qualitative interview data were collected from...

This study evaluates different strategic courses of action concerning the secondary transportation sector in Hyrcanian forests of Iran. The decision support method Analytic Hierarchy Process (AHP) has been utilized in the assessment of different strategies in truck selection. The assessments are based on the opinions of a group of experts in Iranian forest industries. Results showed that the tr...