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 Concrete 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
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
Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Three full-scale vehicle crash tests were conducted according to the Manual for Assessing Safety Hardware (MASH) Test Level 3 (TL- 3) safety performance criteria on a transition between the Midwest … [Read more...] about Testing and Evaluation of MASH TL-3 Transition Between Guardrail and Portable Concrete Barriers
Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier
Portable concrete barrier (PCB) systems are often used to redirect errant vehicles through a combination of inertial resistance, lateral friction loads, and tensile loads developed from the mass and … [Read more...] about Length of Need and Minimum System Length for F-Shape Portable Concrete Barrier