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Title:

Design and Full-Scale Crash Testing of an Anchored Temporary Concrete Barrier and its Transition System for Use on Asphalt Pavement
Cover of Design and Full-Scale Crash Testing of an Anchored Temporary Concrete Barrier and its Transition System for Use on Asphalt Pavement

Accession Number:

01551359

Record Type:

Component

Availability:

Transportation Research Board Business Office

500 Fifth Street, NW
Washington, DC 20001 United States

Abstract:

In 2008, Texas A&M Transportation Institute developed a pinned down anchored temporary concrete barrier system for use on concrete pavements. This F-shape barrier with pin-and-loop connections was anchored using steel pins that passed through inclined holes cast in the toe of the barrier, and continued a short distance into the underlying concrete pavement. The objective of the presented research was to extend the use of this existing anchored barrier design for placement on asphalt with minimum design modifications. By performing a series of dynamic subcomponent tests and full-scale impact simulation analyses, the researchers developed an appropriate anchoring design for pinning the barrier on asphalt. This design involves placing the barrier on a 4 inch thick asphalt pad and pinning it to the ground using three steel pins per barrier segment. The design was developed to perform in accordance with Manual for Assessing Safety Hardware (MASH) test level 3 criteria (5000-lb vehicle, 62 mi/h, 25 degrees) at the critical impact point. MASH test 3-11 was performed on an installation of 12 pinned down barrier segments placed adjacent to a 1.5H:1V slope with a 1-foot lateral offset. The pinned down anchored barrier design performed successfully according to MASH TL-3 criteria. A transition system between non-anchored free-standing barrier segment and anchored section was also designed to allow smooth vehicle transition from the free-standing to the pinned-down anchored barrier system installed on asphalt. The transition design was crash tested and performed acceptably in accordance with MASH test 3-21 criteria

Supplemental Notes:

This paper was sponsored by TRB committee AFB20 Roadside Safety Design.

Monograph Accession #:

01550057

Report/Paper Numbers:

15-2502

Language:

English

Corporate Authors:

Transportation Research Board

500 Fifth Street, NW
Washington, DC 20001 United States

Authors:

Silvestri Dobrovolny, Chiara
Sheikh, Nauman M
Fossier, Paul B
Brauner, Kurt
Guidry, Chris

Pagination:

16p

Publication Date:

2015

Conference:

Transportation Research Board 94th Annual Meeting

Location: Washington DC, United States
Date: 2015-1-11 to 2015-1-15
Sponsors: Transportation Research Board

Media Type:

Digital/other

Features:

Figures; Photos; References

Geographic Terms:

Texas

Subject Areas:

Design; Highways; Safety and Human Factors; I85: Safety Devices used in Transport Infrastructure

Source Data:

Transportation Research Board Annual Meeting 2015 Paper #15-2502

Files:

PRP, TRIS, TRB, ATRI

Created Date:

Dec 30 2014 12:53PM