Alternative TMA carriers: crash test with a tractor, an articulated front-end loader and a rigid frame

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TMAs (Truck Mounted Attenuator) are used as mobile protectors for road work zones. They are typically mounted on trucks. In this project the VTI has crashtested TMAs installed on alternative TMA carriers, i.e. a tractor and an articulated front-end loader. Later on, the project was enhanced with an additional crash test on a steel frame intended for transportation on trucks and, in cooperation with Autoliv, a further crash test where the risk of whiplash injuries was to be studied. The latter was done by repeating the crash test with a TMA on a tractor and having a BioRID crash test dummy in the driver seat. The test was run according to NCHRPR 350 3-52 procedure. In an external elongation of the project, sled tests were run at Autoliv; the results are included in this report as an annex.

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