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Biomass Logistics
Published in Jay J. Cheng, Biomass to Renewable Energy Processes, 2017
The 36.36 tons weight restriction is not the only weight limit that is considered when loading a truck with biomass. Gross Vehicle Weight Rating (GVWR) is a rating that defines the maximum amount of weight a road vehicle can carry and still be able to operate legally within the public road network. GVWR includes the weight of the vehicle, fuel, people, and payload. Straight trucks are most susceptible to GVWR restrictions among the trucking systems illustrated in Figure 4.17. A single rear axle straight truck could have a GVWR rating as low as 14.85 tons, and more than half of the allowable weight will be the truck chassis and grain box. If the straight truck is equipped with tandem rear axles (i.e., 2 axles at the rear of the truck), a 20 tons GWVR or more could be expected. Additional axles increase the truck’s carry capacity, but there would be additional expenses incurred when purchasing and maintaining the larger system.
Freight logistics, distribution and transport Concepts
Published in Tolga Bektaş, Freight Transport and Distribution, 2017
A wide variety of vehicles are used for road freight transportation, which can be differentiated on the basis of size, capacity, weight and the type of energy used. Vehicle classification on road transportation is generally based on the Gross Vehicle Weight Rating (GVWR), which refers to the maximum allowable total weight of a vehicle including its empty mass, fuel and any load carried. The empty mass of the vehicle, but with fuel and fluids such as engine oil, is named as the curb weight. Vehicle classifications vary from one country to another. In the United States, eight classes exist, with vehicles in the lightest class having a GVWR up to around 3 tonnes, and those in the heaviest class with a GVWR higher than 15 tonnes. In the United Kingdom, more classes exist, with those of at most 3.5 tonnes gross weight described as light goods vehicles (LGVs) and those between 3.5 and 44 tonnes gross weight named as lorries or heavy goods vehicles (HGVs).
Significance of tractor-trailer impacts to the rear of light vehicles
Published in Traffic Injury Prevention, 2022
David C. Viano, Chantal S. Parenteau
Electronic cases were downloaded from the 2004–2015 calendar years for cases with VAIS 3+ in a vehicle struck in the rear by a tractor-trailer, large truck, or bus (www.nhtsa.dot.gov). NHTSA defines a large truck as >4,545 kg (10,000 lb) GVWR, including single-unit trucks and truck tractors. The cases were reviewed to gain an understanding of crash circumstances and factors involved in the serious to maximum injuries.