Universal breakaway steel post for other applications.

Price, Craig W.; Schmidt, Tyler L.; Bielenberg, Robert W.; Lechtenberg, Karla A.; Faller, Ronald K.; Reid, John D.; Midwest Roadside Safety Facility

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Universal breakaway steel post for other applications.

2014-04-01
By Price, Craig W. ; Schmidt, Tyler L. ; Bielenberg, Robert W. ; ...

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English

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Details:

Creators:

Price, Craig W. ; Schmidt, Tyler L. ; Bielenberg, Robert W. ; Lechtenberg, Karla A. ; Faller, Ronald K. ; ... More +

Price, Craig W. ; Schmidt, Tyler L. ; Bielenberg, Robert W. ; Lechtenberg, Karla A. ; Faller, Ronald K. ; Reid, John D. Less -
Corporate Creators:

Midwest Roadside Safety Facility
Corporate Contributors:

Nebraska. Dept. of Roads ; United States. Federal Highway Administration

Nebraska. Dept. of Roads ; United States. Federal Highway Administration Less -
Subject/TRT Terms:

[+]

Breakaway Supports Dynamic Tests Guardrails Highway Safety Impact Tests Median Barriers Posts Steel Thrie Beams Wood
Publication/ Report Number:

TRP-03-288-14
Resource Type:

Tech Report
Geographical Coverage:

United States
Corporate Publisher:

Midwest States Regional Pooled Fund Program
Abstract:

The Universal Breakaway Steel Post (UBSP) was developed and evaluated to replace the existing Controlled Release

Terminal (CRT) wood posts which were used in the original bullnose guardrail system. Previously, three full-scale crash

tests were performed on the thrie beam bullnose barrier with UBSPs, and the UBSP was determined to be a suitable

alternative for the CRT posts. However, the UBSP was modified prior to the completion of the full-scale tests, and dynamic

component testing was not conducted to compare the post behaviors. Therefore, a series of nine component tests were

conducted in soil to compare the weak- and strong-axis properties between the UBSPs and CRT posts. As part of the

component testing, one of the weak-axis tests involving the UBSP was conducted with a reused lower section of the post;

since, the original development of the UBSP recommended reuse as long as the lower section was undamaged and displaced

less than ½ in. (13 mm). From the testing series, it was determined that the performance of the UBSP indicated a strong

potential for these posts to be utilized in other applications. However, UBSP should first be evaluated through engineering

analysis and full-scale crash testing before implementation.
Format:

PDF
Funding:

TPF-5 (193), Supplement 55
Collection(s):

US Transportation Collection
Main Document Checksum:

[+]

urn:sha256:4949ff1b293f0a3a7cac2c739adfe5fd7ca2b0a38ebb6d5916c33d89e3194876
Download URL:

https://rosap.ntl.bts.gov/view/dot/27244/dot_27244_DS1.pdf
File Type:

No Additional Files

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Universal breakaway steel post for other applications.

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