Evaluations of Guardrail Breakaway Cable Terminals

Kimball Jr., C. E.; Bronstad, M. E.; Meczkowski, Leonard; Southwest Research Institute

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Evaluations of Guardrail Breakaway Cable Terminals

1982-05-01
By Kimball Jr., C. E. ; Bronstad, M. E. ; Meczkowski, Leonard

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English

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Alternative Title:

Evaluation of Guardrail Breakaway Cable Terminals
Creators:

Kimball Jr., C. E. ; Bronstad, M. E. ; Meczkowski, Leonard

Kimball Jr., C. E. ; Bronstad, M. E. ; Meczkowski, Leonard Less -
Corporate Creators:

Southwest Research Institute
Corporate Contributors:

United States. Federal Highway Administration. Offices of Research and Development
Subject/TRT Terms:

[+]

Breakaway Supports Cables Guardrail Terminals Impact Tests Median Barriers Pendulum Tests Strength Of Materials
Publication/ Report Number:

FHWA/RD-82/057
Resource Type:

Tech Report
Geographical Coverage:

United States
TRIS Online Accession Number:

00377251
Edition:

Technical Report, 9/78 - 12/81
Contracting Officer:

Meczkowski, Leonard
Corporate Publisher:

United States. Federal Highway Administration
Abstract:

Currently recommended guardrail and median barrier breakaway cable terminals (BCT) were to be evaluated for performance with 1800-lb (800-kg) class minicars. Early findings indicated unsatisfactory performance of the guardrail BCT for end-on impacts at 60 mph (97 km/h). The study was redirected to develop and evaluate a retrofit design for achieving satisfactory performance with the minicar. Subsequent to the baseline crash tests, a series of analytical studies, laboratory tests, bogie tests, and full-scale crash tests were conducted to upgrade the recommended BCT. Findings include a satisfactory end-on test, but subsequent strength test produced a vehicle penetration. Thus, a recommended upgrade design is given except that further strengthening of the beam is necessary for angular impacts downstream of the end.
Format:

PDF
Funding:

DOT-FH-11-9486
Collection(s):

Federal Highway Administration
Main Document Checksum:

[+]

urn:sha256:10b3684b8177461b6754fce464e81cb49e455be234dbdcc5b76d5c5dfb7d0c26
Download URL:

https://rosap.ntl.bts.gov/view/dot/34978/dot_34978_DS1.pdf
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Evaluations of Guardrail Breakaway Cable Terminals

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