Zobrazeno 1 - 10
of 20
pro vyhledávání: '"Karla A Lechtenberg"'
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2675:952-966
Trailing-end guardrail anchorage systems are widely used by most state departments of transportation (DOTs) and generally consist of simple adaptations of crashworthy end terminals. The safety performance and structural capacity of these trailing-end
Autor:
John D. Reid, Karla A Lechtenberg, Scott K. Rosenbaugh, Ronald K. Faller, Robert W. Bielenberg
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2638:65-76
State departments of transportation (DOTs) throughout the United States commonly use W-beam guardrail systems to keep errant vehicles from leaving high-speed roadways and encountering safety hazards adjacent to the roadway edge, such as steep roadsid
Publikováno v:
Geo-Congress 2019.
Autor:
Chen Fang, Daniel G. Linzell, Karla A Lechtenberg, Ronald K. Faller, Jennifer D. Rasmussen, Robert W. Bielenberg
Publikováno v:
Engineering Structures. 235:112071
Experimental and numerical investigations were conducted on impact performance and deflection of precast, portable concrete construction barrier, referred to as a portable concrete barrier (PCB), with a free-standing and a box-beam stiffened configur
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2472:194-202
Generally, trees are naturally occurring fixed objects that are found along many roadways and that potentially pose safety risks to errant motorists. Unfortunately, trees have been responsible for numerous fatal and serious injury crashes during run-
Autor:
Karla A Lechtenberg, Ronald K. Faller, Kevin D Schrum, Dean L. Sicking, John D. Reid, Francisco Daniel Benicio de Albuquerque
Publikováno v:
Journal of Transportation Safety & Security. 7:1-19
Crash cushions vary in geometry and cost. In this study, crash cushions were categorized in three different categories: redirecting with repair costs greater than $1,000 (RGM), redirecting with repair costs less than $1,000 (RLM), and nonredirecting
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2437:41-51
A new W-beam guardrail system for use on low-fill culverts was developed and evaluated. The system was adapted from the Midwest Guardrail System (MGS) bridge railing for attachment to the outside face of culvert headwalls. Four attachment concepts we
Autor:
Ronald K. Faller, Karla A Lechtenberg, Scott K. Rosenbaugh, Robert W. Bielenberg, John D. Reid
Publikováno v:
The Lens
Strong-post W-beam is one of the most enduring and prolific safety barriers in the world. Over the years, it has been modified and updated to improve performance. Throughout these changes, two types of guardrail posts have been used to support the ra
Publikováno v:
International Journal of Crashworthiness. 18:343-355
Previously, the Steel and Foam Energy Reduction (SAFER) barrier system was successfully developed and crash tested for use in high-speed racetrack applications for the purpose of reducing the severity of racecar crashes into permanent, rigid, concret
Publikováno v:
Transportation Research Record: Journal of the Transportation Research Board. 2377:1-13
The Midwest Guardrail System (MGS) has been shown to provide exceptional redirective capability in standard and special applications. However, the roadway width required to install a guardrail system with a blockout is not always available. In respon