Are you an EPFL student looking for a semester project?
Work with us on data science and visualisation projects, and deploy your project as an app on top of GraphSearch.
Concept
Haul truck
Summary
Haul trucks are off-highway, rigid dump trucks specifically engineered for use in high-production mining and heavy-duty construction environments. Haul trucks are also used for transporting construction equipment from job site to job site. Some are multi-axle in order to support the equipment that is being hauled.
Most haul trucks have a two-axle design, but two well-known models from the 1970s, the 350T Terex Titan and 235T Wabco 3200/B, had three axles. Haul truck capacities range from to .
Large quarry-sized trucks range from . A good example of this is the Caterpillar 775 (rated at ). Quarry operations are typically smaller than, say, a gold/copper mine, and require smaller trucks.
As a rule, these dump trucks can be distinguished from other trucks (in particular, dump truck) by the following features:
the tipper body is made of very strong steel plate; its front is extended above the driver's cab to protect the cab; the entire bottom, or rear of it, points upward;
in some cases the driver's cab is only half the width of the truck;
no axle suspension;
powerful brakes;
limited speed and operating range;
special tires used for driving on the ground;
due to the robust design the ratio of dead weight to payload does not exceed 1:1.6
the body can be heated by exhaust gases to prevent the transported material from sticking or freezing.
Dump trucks are classified by:
type of unloading (inclined or forced);
the direction of discharge (side, rear);
type of body (hopper, platform, sliding hopper, sliding platform).
The largest, highest-payload-capacity haul trucks are referred to as ultra class trucks. The ultra class includes all haul trucks with a payload capacity of or greater. , the BelAZ 75710 has the highest payload capacity, .
A rear-eject configuration is an alternative haul truck body style. Instead of lifting the bed vertically, the hydraulic cylinder pushes a ram-face horizontally through the body to eject the hauled load.
Rear-eject dump vehicles were first introduced in the 1980s by LeRoy Hagenbuch, P.E.
Official source
About this result
This page is automatically generated and may contain information that is not correct, complete, up-to-date, or relevant to your search query. The same applies to every other page on this website. Please make sure to verify the information with EPFL's official sources.