Motorcoach Safety Research – Interior Impacts and Compartmentalization

Duffy, Steve; Prasad, Aloke; United States. Department of Transportation. National Highway Traffic Safety Administration. Vehicle Research and Test Center

doi:10.21949/1530228

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Motorcoach Safety Research – Interior Impacts and Compartmentalization

2021-08-01
By Duffy, Steve ; Prasad, Aloke

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Creators:

Duffy, Steve ; Prasad, Aloke

Duffy, Steve ; Prasad, Aloke Less -
Corporate Creators:

United States. Department of Transportation. National Highway Traffic Safety Administration. Vehicle Research and Test Center
Subject/TRT Terms:

[+]

Buses Crashes Crash Injury Research Crash Victim Simulation Crashworthiness Head Impact Motorcoach Motor Vehicles Seats Vehicle Compartments
Publication/ Report Number:

DOT HS 813 146
DOI:

https://doi.org/10.21949/1530228
Resource Type:

Tech Report
Geographical Coverage:

United States
Edition:

Final report
Corporate Publisher:

United States. Department of Transportation. National Highway Traffic Safety Administration
Abstract:

In response to the MAP-21 Reauthorization Act of 2012 and research of crashworthiness features of motorcoaches, NHTSA initiated research of occupant protection in motorcoaches. This report describes technologies that may enhance that protection from two perspectives – interior head impact protection from padding and the compartmentalization safety concept from enhanced seat designs. To evaluate head injury in a crash, free-motion headform impact tests were performed on motorcoach seats and to the interior surfaces of motorcoaches. The results showed that the seats and bus interiors can produce high head injury criterion (HIC) responses. Padding types could reduce baseline HIC values by 50 to 85 percent. Sled tests conducted on seats with lap-shoulder belts showed that test dummies were contained in their seating compartment during the impact and rebound phases for every test condition, and all seat attachments remained intact. A comparison of dummy kinematics between the physical sled tests and computer simulations showed very good agreement.
Format:

PDF
Collection(s):

NHTSA - Vehicle Safety Research
Main Document Checksum:

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urn:sha256:57c3d1b6d6bda676a64976cd504c4b0f0672cf9337bc234637493baf4e1d1862
Download URL:

https://rosap.ntl.bts.gov/view/dot/57150/dot_57150_DS1.pdf
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Motorcoach Safety Research – Interior Impacts and Compartmentalization

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