Criteria for Restoration of Longitudinal Barriers (2010) / Chapter Skim
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8.2 Recommendation
8.2 Recommendation
Pages 35-38
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From page 35... ...
The barrier section failed at the splice due to the splice bolts pulling through holes in the rail with none of the individual splice bolts fracturing. This failure was similar to that observed in Test 02-1 with the horizontal tear damaged section.
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From page 36... ...
This damage has been assigned a medium priority based on the potential for rail tearing that has been observed in the pendulum test. With regards to potential vehicle instability resulting from impact, the research team's rationale was that collisions into barriers with a missing blockout would fall between a missing post case and the undamaged case.
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From page 37... ...
Sequential overhead photographs for missing blockout damage. Figure 32.
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From page 38... ...
. Damage Mode Repair Threshold Relative Priority Missing Blockout Any blockouts that have the following issues: Missing, Cracked across the grain, Cracked from top or bottom of blockout through post-bolt hole, and Rotted.
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