Explain Super structure
1 Answer

The bus super structure is often divided into the following basic assemblies, each of which has further subassemblies: roof structure, side structures, floor structure or under frame, and add-on structure such as front and rear fascia reinforcements, roof-mounted AC/CNG/hybrid supports, and reinforcements for rollover compliance.

The floor structure differs significantly according to the architecture of the bus. For instance, a traditional floor structure has chassis C frames and outrigger, whereas evolved structures have sturdy longitudinal hat sections that are integrated with equally strong transverse box sections.

The researchers from Ashok Leyland restricted their analysis to a monocoque city bus structure that is 8 m (26 ft) in length, because city buses carry the maximum number of passengers especially during peak hours and are subject to variable loading during its service cycle.

When it comes to the type of structural members used in a super structure, it is primarily square/rectangular tubes and sheet metal parts. Of course, there are other profiles such as L angles, hat sections, channel sections, Z profiles, and other custom-formed profiles out of sheet metal.

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