Portable concrete barriers (PCBs) are often used in applications where limited deflection is desired during vehicle impacts, such as bridge decks and work zones. In an earlier study, a reduced … [Read more...] about Development of Transition Between Free-Standing and Reduced-Deflection Portable Concrete Barriers
Temporary Barriers
Use of Positive Protection in Work Zones
While developing a manual on the use of temporary barriers, truck-mounted attenuators and other types of positive protection devices as guidance for designers, construction workers and contractors, … [Read more...] about Use of Positive Protection in Work Zones
Development of a Precast Slim Temporary Concrete Safety Barrier STCSB 50 for Work Zone Applications
Selecting proper restraint systems for road work zone areas is essential in ensuring the safety of motorists and construction workers as well as preventing occurrence of severe accidents. Regulations … [Read more...] about Development of a Precast Slim Temporary Concrete Safety Barrier STCSB 50 for Work Zone Applications
Evaluation of Safety Practices for Short Duration Work Zones
This report documents a research effort tasked with identifying cost effective and safer alternatives to the current procedures used by Ohio Department of Transportation (ODOT) maintenance crews … [Read more...] about Evaluation of Safety Practices for Short Duration Work Zones
Safety Performance Evaluations for the Vehicle Based Movable Barriers Using Full Scale Crash Tests
The present study aims to develop a prototype of large-size movable barriers to protect roadside workers from incoming vehicles to the road work area with the following functions: maximization of work … [Read more...] about Safety Performance Evaluations for the Vehicle Based Movable Barriers Using Full Scale Crash Tests
Development of a Test Level 3 Transition Between Guardrail and Portable Concrete Barriers
Road construction often requires that work zones be created and shielded by portable concrete barriers (PCBs) to protect workers and equipment from errant vehicles as well as to prevent motorists from … [Read more...] about Development of a Test Level 3 Transition Between Guardrail and Portable Concrete Barriers