Number of ideas and concepts for collapsible sign supports are investigated and suggestions for design of different types of connections are proposed; physical tests should be conducted on some designs and further modifications made on basis of test results; designs worthy of further investigation seem to be shear-pin joint, welded joint, clip joint, and multi-member supports.
Concept of collapsible sign supports
Traffic Eng
Traffic Engineering ; 37 , n 5
1967
5 pages
Article (Journal)
English
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